Answer:
ionic compounds contain both types of ions,like postie or negative
Explanation:
URGENT!!!!! PLEASE HELP
Compare and contrast elements, compounds and mixtures. Element-copper Compound- salt Mixture- jelly beans
Answer:
Explanation:
Copper is a single element, not made up of anything but copper.
Salt is an element, as it is made up of multiple things, such as chlorine and sodium, but are combined per molecule. Jelly beans are made up of multiple elements, but are a mixture as they are not all the same. there isn't a single "jelly bean" molecule that is uniform throughout them.
What is the molar mass of sodium carbonate (Na2CO3)?
Answer:
105.9888 g/mol
Explanation:
The molar mass of sodium carbonate is 105.9888 g/mol (grams per mole)
What is not a guideline required for a valid evidence test?
A. The test must be conducted by a forensic scientist in a forensics lab.
B. The test must be reproducible, producing the same results every time using the same samples.
C. The test must be specific to identify a particular substance.
D. The test must be sensitive in that it can pick out the unique characteristics in a sample
Answer:
The correct answer is indeed A
Explanation:
Please explain how roasting a hot dog over a fire involves all three forms of heat transfer. Please use full sentences and correct grammar!
Ok so First of all we start with the fire. The fire gives off radiation because you can feel the heat through space. The fire also gives of conduction because you put the hotdog on the fire to cook it, and the hotdog will give off steam when it is hot causing it to give of Convection.
There is how cooking a hotdog over a fire uses all three heat transfer
Roasting a hot dog over a fire involves all three types of heat transfer: conduction, convection, and radiation. Conduction transfers heat through the stick to the hot dog, convection happens when heat is carried to the hot dog by hot gases rising from the fire, and radiation is heat traveling through the air from the fire to the hot dog.
Explanation:When you are roasting a hot dog over a fire, all three types of heat transfer - conduction, convection, and radiation - are involved.
Conduction is when heat energy is directly transferred through a substance, in this case from the hot dog stick to the hot dog itself. Heat from the fire causes the molecules in the stick to vibrate more, which in turn cause the molecules at the lower end of the stick where the hot dog is placed to vibrate, and this transfers heat to the hot dog.
Convection occurs when heat is transferred through a fluid (which could be gases or liquids). Here, the hot gases rising from the fire reach the hot dog, heating it.
Lastly, radiation is heat transfer that doesn't require a medium to move through. Essentially, it's heat transfer simply through the air. In the hot dog scenario, it's the heat from the fire radiating outwards in all directions, some of it reaching the hot dog and cooking it.
So, in essence, roasting a hot dog over a fire is a great way to understand heat transfer!
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A student must use 225 g of hot water in a lab procedure. Calculate the amount of heat in joules required to raise the temperature of 225 g of water from 20.0 °C to 100.0 °C. (Water’s specific heat capacity is 4.184 J/g°C) (round answer to 2-3 sig figs)
Answer:
Q = 75.312 KJ
Explanation:
Heat is the amount of the thermal energy contained in an object measured in joules. When heat energy is transferred to an object, the temperature of the object changes depending on the amount of heat applied and the type of object.
Given that:
mass of water (m) = 225 g, Temperature difference ([tex]\Delta T[/tex]) = 100°C - 20°C = 80°C, Water’s specific heat capacity ([tex]c_p[/tex]) = 4.184 J/g°C
The quantity of heat (Q) is given as:
[tex]Q=mc_p\Delta T[/tex]
[tex]Q= 225g *4.184J/g^0C*80=75312J=75.312KJ[/tex]
The amount of heat in joules required to raise the temperature of 225 g of water from 20.0 °C to 100 °C is calculated using the heat equation q=mcΔT. After substituting appropriate values, we get the result as 75.3 kJ.
Explanation:To calculate the amount of heat required to raise the temperature of 225 g of water from 20.0 °C to 100 °C, we can use the heat equation q = mcΔT where 'm' is the mass of the water, 'c' is the specific heat capacity of water, and 'ΔT' is the change in temperature.
Here, m = 225 g (the mass of the water), c = 4.184 J/g °C (the specific heat capacity of water), and ΔT = 100 °C - 20 °C = 80 °C (the change in temperature).
Hence, q = mcΔT = (225 g) × (4.184 J/g °C) × (80 °C) = 75312 J or 75.3 kJ after rounding to 3 significant figures. Hence, the amount of heat in joules required to raise the temperature of 225 g of water from 20.0 °C to 100 °C is 75.3 kJ.
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3350 J of heat is required to raise the temperature of a sample of AlF3 from 250C to 800C. What is the mass of the sample?
I just want to know how to work this out. Please help me.
Final answer:
To find the mass of the AlF₃ sample that requires 3350 J to increase its temperature from 25°C to 80°C, we use the heat capacity formula. The specific heat capacity of aluminum (900 J/kg°C) is used and the mass is calculated to be 0.0677 kg or 67.7 grams.
Explanation:
To calculate the mass of the sample of AlF₃ that needed 3350 J of heat to raise its temperature from 25°C to 80°C, we use the heat capacity formula:
Q = mcΔT, where Q is the heat added, m is the mass, c is the specific heat capacity, and ΔT is the change in temperature.
The specific heat capacity of aluminum is 900 J/kg°C. Then we will solve for the mass (m) and rearrange the formula to m = Q/(cΔT).
Given that:
Q = 3350 Jc = 900 J/kg°CΔT = 80°C - 25°C = 55°CThe calculation for the mass m is:
m = 3350 J / (900 J/kg°C × 55°C)
m = 3350 J / (49500 J/kg)
m = 0.0677 kg
Therefore, the mass of the AlF₃ sample is 0.0677 kg or 67.7 grams.
1.
Which of the following diseases is transmitted indirectly through a vector?
Malaria
Cholera
Common Cold
Athletes Foot
2.
Another word for communicable diseases is __________.
vector
epidemic
infectious
indirect contact
3.
Botulism is a bacteria caused illness found in raw eggs. It causes diarrhea symptoms. The transmission of this disease would best be described as __________.
vector
airborne
oral-fecal
indirect physical contact
Malaria is transmitted indirectly through a vector.Another word for communicable diseases is infectious.Botulism is a bacteria caused illness found in raw eggs. It causes diarrhea symptoms. The transmission of this disease would best be described as oral -fecal.
What are communicable diseases?Communicable diseases are defined as diseases or illnesses which spread from one person to another or from an animal to a person, or from a surface or a food. Diseases can also be transmitted during air travel through:
1) direct contact with a sick person
2) respiratory droplet spread from a sick person while sneezing or coughing
3) contact with blood or other body fluids
4) inhalation of viruses or bacteria present in the air
5)contact with a contaminated surface or object
6) bites from insects or animals that can transmit the disease
7) ingestion of contaminated food or water
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HELPPPPPP!!!!!!!!!!!!!!!!!!
NEED SOME HELP PLEASE!!!!!!!!!!!
Answer:
second
convection current
first
lithosphere
Explanation:
xoxo
Demi
What is the pressure in a 5.00 L tank with 4.75 moles of oxygen at 39.3 degrees Celsius
Answer:
P = 24.34 atm
Explanation:
V = 5.0L
P = ?
n = 4.75 moles
T = 39.3°C = (39.3 + 273.15)K = 312.45K
From ideal gas equation,
PV = nRT
P = pressure of the gas
V = volume of the gas
n = no. Of moles present
R = ideal gas constant = 0.082atm.L / mol.K
PV = nRT
P = nRT / V
P = (4.75 * 0.082 * 312.45) / 5
P = 121.699 / 5
P = 24.339 atm
P = 24.34 atm
The pressure of the gas is 24.34 atm
Final answer:
The pressure in a 5.00 L tank with 4.75 moles of oxygen at 39.3 °C is calculated using the ideal gas law, resulting in approximately 24.65 atm.
Explanation:
To calculate the pressure of a gas in a tank, we can use the ideal gas law which is PV=nRT, where P is the pressure, V is the volume, n is the number of moles, R is the ideal gas constant, and T is the temperature in Kelvin.
First, convert the temperature from degrees Celsius to Kelvin by adding 273.15 to the Celsius temperature:
T = 39.3 °C + 273.15 = 312.45 K
Next, use the ideal gas law to calculate the pressure:
P =[tex]\frac{nRT}{V}[/tex]
Given n = 4.75 moles, T = 312.45 K, V = 5.00 L, and R = 0.0821 atm·L/mol·K (value of the ideal gas constant when pressure is measured in atmospheres), we can calculate the pressure:
P = [tex]\frac{(4.75 moles)(0.0821 atm·L/mol·K)(312.45 K)}{5.00 L}[/tex]
Doing the calculation:
P =[tex]\frac{(4.75)(0.0821)(312.45)}{5.00}[/tex] = 24.65 atm
This means the pressure inside the 5.00 L tank containing 4.75 moles of oxygen at 39.3 °C is approximately 24.65 atmospheres.
What type of isomerism is shown by alkanes
Answer:
Alkanes with more than 3 carbons can show constitutional isomerism. They can be either linear or branched structures. This is categorized as chain isomerism. Butane is the smallest alkane to show such isomerism with 2 isomers.Alkanes with more than 3 carbons can show constitutional isomerism. They can be either linear or branched structures. This is categorized as chain isomerism. Butane is the smallest alkane to show such isomerism with 2 isomers.
Explanation:
Final answer:
Alkanes exhibit structural isomerism, including branched-chain isomerism, where the same molecular formula has different structural arrangements. Alkenes can show structural as well as geometric isomerism due to the rigidity of the double bond.
Explanation:
Isomerism in Alkanes
The type of isomerism shown by alkanes is called structural isomerism, specifically branched-chain isomerism. This occurs when alkanes with the same molecular formula have different arrangements of carbon atoms. For example, butane (C4H10) can exist as a straight-chain alkane or it can have a branched-chain structure, resulting in isomers with different physical properties.
Branched-chain alkanes and straight-chain alkanes are isomers because they have the same molecular formula but different structural formulas, leading to different physical properties. In contrast, alkenes can exhibit structural isomerism as well as geometric isomerism, also known as cis-trans isomerism, which occurs due to restricted rotation around the double bond.
While alkanes only show structural isomerism such as straight-chain and branched-chain structures, alkenes can show both structural and geometric isomerism, where the spatial orientation of groups attached to the double bond leads to distinct isomers. This rigidity of the double bond in alkenes influences their chemical reactivity and physical properties.
If you have two moles of N2, how many miles of H2 would you need to produce four moles of NH3?
what mass of carbon dioxide gas occupies a volume of 81.3 L at 204kPa and a temperature of 95 degrees celcius
The mass of carbon dioxide gas occupying a volume of 81.3 L at 204 kPa and 95 °C is calculated using the ideal gas law and converting the pressure and temperature to compatible units, followed by converting moles to mass using the molar mass of CO2.
Explanation:To determine the mass of carbon dioxide gas that occupies a given volume under specific conditions of pressure and temperature, we can use the ideal gas law. The ideal gas law is represented by the equation PV = nRT, where P is the pressure, V is the volume, n is the number of moles, R is the ideal gas constant, and T is the temperature in Kelvin.
Firstly, we need to convert the temperature from Celsius to Kelvin by adding 273.15 to the Celsius temperature:
T(K) = 95 °C + 273.15 = 368.15 K
The pressure needs to be converted from kPa to atm because the standard value for the gas constant R is usually given in units of L atm/mol K. The conversion factor is 1 atm = 101.325 kPa, so:
P(atm) = 204 kPa / 101.325 kPa/atm = 2.012 atm
Using the ideal gas law, we can solve for the number of moles:
n = PV / RT = (2.012 atm)(81.3 L) / (0.082057 L atm/mol K)(368.15 K)
After calculating n, we then convert moles to mass using the molar mass of CO2, which is 44.01 g/mol. The final mass, in grams, will be the product of the number of moles and the molar mass.
Name a plant that is vascular, produces flowers, reproduces with seeds, and has two cotyledons.
Answer:
cotyledons
Explanation:
A vascular plant that produces flowers, reproduces with seeds, and has two cotyledons is known as a Eudicot. Examples include dandelions and violets. They make up two-thirds of all flowering plants.
Explanation:A plant that is vascular, produces flowers, reproduces with seeds, and has two cotyledons belongs to the Eudicots, also known as true dicots. Examples of these plants include dandelions or violets. They possess vascular tissue that forms a ring in the stem and their flower parts come in four, five, or many whorls. Seed plants, like eudicots, are further divided into those that produce seeds in cones and those that produce seeds in the ovaries of flowers.
Additionally, eudicot plants have two cotyledons, and the veins form a network in their leaves. Their root system is generally characterized by one main root that develops from the embryonic radicle. Eudicots constitute about two-thirds of all flowering plants which also makes them a significant part of the angiosperms - a division of plants that emerged about 160 million years ago.
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what is the precipitate for CuSO4+NaOH
(Balancing Equations)
Answer:
CuSO4 + 2NaOH → Cu(OH)2 + Na2SO4
Explanation:
The reaction between CuSO4 and NaOH leads to the formation of Cu(OH)2 as the insoluble precipitate and Na2SO4 in solution.
Explanation:The reaction between CuSO4 and NaOH in an aqueous solution leads to the formation of copper (II) hydroxide, Cu(OH)2, and sodium sulfate, Na2SO4. However, the student's example and information provided seem to have mixed details regarding a different reaction involving carbonates. When CuSO4 reacts with NaOH, the insoluble precipitate formed is Cu(OH)2, a blue substance. This can be balanced and represented as CuSO4(aq) + 2NaOH(aq) → Cu(OH)2(s) + Na2SO4(aq). Here, sodium sulfate remains dissolved in the aqueous solution, functioning as spectator ions, and does not participate actively in the formation of the precipitate.
The precipitate for CuSO4 + NaOH reaction is Cu(OH)2. When copper sulfate reacts with sodium hydroxide, a double displacement reaction occurs where the insoluble copper hydroxide precipitates out. The balanced chemical equation would be: CuSO4 + 2NaOH → Cu(OH)2 + Na2SO4
Rewrite this chemical reaction with the correct coefficients. Mg + Ag+ -> Mg2+ +
Ag*
Answer:
Mg + 2Ag⁺ ⟶ Mg²⁺ +2Ag
Explanation:
1. Start with the skeleton equation.
Mg + Ag⁺ ⟶ Mg²⁺ + Ag
2. Separate it into two half reactions
Mg ⟶ Mg²⁺
Ag⁺ ⟶ Ag
3. Balance charge by adding electrons to the deficient side
Mg ⟶ Mg²⁺ + 2e⁻
Ag⁺ + e⁻ ⟶ Ag
4. Multiply each half-reaction by numbers to equalize the electrons transferred
1×[Mg ⟶ Mg²⁺ + 2e⁻]
2×[Ag⁺ + e⁻ ⟶ Ag]
5. Add the two half-reactions, cancelling species that occur on each side
Mg ⟶ Mg²⁺ + 2e⁻
2Ag⁺ + 2e⁻ ⟶ 2Ag
Mg + 2Ag⁺ ⟶ Mg²⁺ +2Ag
The equation is now balanced.
Please help!! List 2 advantages and disadvantages of each chart below worth 40 points!
Answer:
Hydro power
Advantage- Clean source
Safe
Disadvantage- Expensive
Environmental consequences
Coal
Advantage- Easy to find
Affordable
Disadvantage- Non renewable
Pollution
Explanation:
I helped you out with two of them
Match each plot element on the left with the correct description of it in a morality tale.
The consequences of the choice
falling action
become clearer.
resolution
A character makes a decision.
rising action
The major conflict is introduced
Oo
IN
exposition
The reader understands the moral.
climax
A character struggles with a decision
Answer:
Rising action- A character struggles with a decision.
falling action- The consequences of the choice become clearer.
Climax- A character makes a decision.
Resolution- A character understands the moral.
Exposition- A major conflict is introduced.
Explanation:
no one else gave the right answer so I found out myself, but hey! always that one person right! Good luck!
Answer:
your welcome
Explanation:
what is the overall enthalpy of reaction for the equation shown below?
Answer:
ΔH₁₂ = -867.2 Kj
Explanation:
Find enthalpy for 3H₂ + O₃ => 3H₂O given ...
2H₂ + O₂ => 2H₂O ΔH₁ = -483.6 Kj
3O₂ => 2O₃ ΔH₂ = + 284.6 Kj
_____________________________
3(2H₂ + O₂ => 2H₂O) => 6H₂ + 3O₂ => 6H₂O (multiply by 3 to cancel O₂)
6H₂ + 3O₂ => 6H₂O ΔH₁ = 3(-483.6 Kj) = -1450.6Kj
2O₃ => 3O₂ ΔH₂ = -284.6Kj (reverse rxn to cancel O₂)
_______________________________
6H₂ + 2O₃ => 6H₂O ΔH₁₂ = -1735.2 Kj (Net Reaction - not reduced)
________________________________
divide by 2 => target equation (Net Reaction - reduced)
3H₂ + O₃ => 3H₂O ΔH₁₂ = (-1735.2/2) Kj = -867.2 Kj
Answer:
-1300
Explanation:
HELP PLEASE!!!!!!!
According to the law of conservation of matter, we know that the total number of atoms does not change in a chemical reaction and thus mass is conserved. This is part of a chemical reaction: hydrogen plus oxygen yields water. Can you complete this model? Reorganize the reactants in order to complete the product side of the reaction.
A) A
B) B
C) C
D) D
Answer:
B
Explanation:
The two little guys.
I just took this question in USATESTPREP and B was the correct choice.
Trust me
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According to the law of conservation of matter, the reactants in order to complete the product side of the reaction is B . Thus option B is correct.
What is law of conservation of matter?Law of conservation of matter stated that the total mass of the products must equal the total mass of the reactants in chemical processes.
It also stated that the amount of matter in any given system that is closed to the transfer of matter (in and out) remains constant.
There are basically four laws of conservation.
Conservation of mass and energyConservation of linear momentum Conservation of angular momentum Conservation of electric chargeReactants are defined as a material that enters and is changed during a chemical reaction.
Products are defined as a material found at the end of a chemical reaction.
Thus, according to the law of conservation of matter, the reactants in order to complete the product side of the reaction is B . Thus option B is correct.
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What are the coefficient to balance this equation NaCl+F2=NaF+Cl2
Answer:
Write 2 behind the NaCl so it becomes 2NaCl and 2 behind the NaF so it becomes 2NaF. The others take 1 each
Explanation:
The coefficients of the given balanced chemical equation are 2, 1, 2, 1.
What is the balanced chemical equation?A chemical equation can be defined as the representation of a reaction in terms of symbols of the reactants and products. A chemical equation has of reactants contributing to the reaction, formed products.
The equation which contains the number of atoms of substances that is equal on either side of the equation is known as a balanced chemical equation.
The law of conservation of mass has to be followed by a balanced chemical equation. By obeying this law, the total mass of reactants in the chemical reaction should be equal to the total mass of the products in a balanced chemical equation.
The given equation of the reaction of sodium chloride and fluorine is:
[tex]NaCl + F_2 \longrightarrow NaF + Cl_2[/tex]
The balanced chemical equation for the above reaction NaCl ad F₂ is:
[tex]2NaCl + F_2 \longrightarrow 2NaF + Cl_2[/tex]
Therefore the coefficients to balance the given equation are 2, 1, 2, 1.
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7. The nuclear model and the solar system model both show atoms with electrons circling around
the nucleus. How are these models similar?
Enter your answer
These models are similar because "both the nuclear model and the solar system model have concept of nucleus, electron, positively charged nucleus at center and electrons orbiting around the nucleus".
Explanation:
The points which showcase similarities among both the atomic structure and the composition of the solar system are like the large percentage of the mass centered in the core which is the nucleus or the sun. Attractive forces bring the structure together by application of electromagnetic force or gravitational force.
The existence of the external objects influences the stable state of other surrounding objects as suggested by Pauli theory of exclusion and gravitational disturbance. Overall on the basis of the view only, in both the model their is similarity like atomic model speaks about electrons orbiting the nucleus similar to planets orbiting the sun.
- solve what volume is occupied by 5.024g of O2 at 28.0 C and a pressure of .998 atm? -
Answer:
V = 3.89 L
Explanation:
Given data:
Mass of oxygen = 5.024 g
Temperature = 28°C (28+273 = 301 k)
Pressure = 0.988 atm
Volume occupy by oxygen = ?
Solution:
PV = nRT
We will calculate the number of moles;
Number of moles = mass/ molar mass
Number of moles = 5.024 g/ 32 g/mol
Number of moles = 0.157 mol
Now we will calculate the volume,
PV = nRT
V = nRT/P
V = 0.157 mol × 0,.0821 atm.L /mol.K × 301 K / 0.998 atm
V = 3.88 L / 0.998
V = 3.89 L
How does water move during the water cycle?
A.
Water moves in a continuous cycle from the surface of the Earth, through the crust, oceans, and atmosphere.
B.
Water moves through a non-repeating cycle from the surface of the Earth, through the crust, oceans, and atmosphere.
C.
Water moves in a continuous cycle from the oceans to beneath the Earth's surface only.
D.
Water moves through a non-repeating cycle from the oceans to beneath the Earth's surface only.
Answer:
A.Water moves in a continuous cycle from the surface of the Earth, through the crust, oceans, and atmosphere.
Thank You.
☆ ★ Make It Brainlist Answer....Scientist can use the of minerals to tell them apart A.sound B.length C.size D.color
Answer:
color
Explanation:
Scientists can use the color of minerals to tell them apart.
What is the molar mass of Cu3(PO4)2?
Answer:380.580722 g/mol
Explanation:
380.580722 g/molCopper(II) phosphateNamesChemical formulaCu3(PO4)2Molar mass380.580722 g/mol (anhydrous) 434.63 g/mol (trihydrate)Appearancelight bluish-green powder (anhydrous) blue or olive crystals (trihydrate)Solubility in waterslightly soluble
The molar mass of Cu₃(PO₄)₂ is calculated by summing the contributions of copper, phosphorus, and oxygen, resulting in a total of 380.59 g/mole.
To calculate the molar mass of Cu₃(PO₄)₂, follow these steps:
Identify the atomic masses for each element:
Cu = 63.55 g/mole,
P = 30.97 g/mole,
O = 16.00 g/mole.
Calculate the contribution of each element in the compound:
Add the contributions to find the total molar mass:
Molar mass of Cu₃(PO₄)₂ = 190.65 g/mole + 61.94 g/mole + 128.00 g/mole
= 380.59 g/mole.
Therefore, the molar mass of Cu₃(PO₄)₂ is 380.59 g/mole.
1. What is the difference between charging by conduction and charging by induction?
A- During induction, charges move between objects that briefly touch; during conduction, charges move between objects that are rubbed together.
B- During conduction, charges move between objects that briefly touch; during induction, charges move between objects that are rubbed together.
C- During induction, charges move between touching objects; during conduction, charges are redistributed within an object that is near another object.
D- During conduction, charges move between touching objects; during induction, charges are redistributed within an object that is near another object.
Answer:a
Explanation:
The difference between charging by conduction and charging by induction is
A. During induction, charges move between objects that briefly touch; during conduction, charges move between objects that are rubbed together.
What is conduction and induction?Conduction charges another body with a charged body by came in contact with that body.
Induction charges another body without came in contact with that body.
Thus, the correct option is A
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Energy is conserved in chemical reactions. It is neither created nor_____
An exothermic reaction
transfers energy______
the reacting substances
the surroundings.An______
reaction transfers energy from the surroundings to the reacting substances
Answer:
destroyed, from, endothermic
Explanation:
Energy is conserved in chemical reactions. It is neither created nor destroyed but can be transferred from one form to another.
An exothermic reaction transfers energy from the reacting substance to the surroundings. The body of the container feels warm. An exothermic reaction has a negative value of enthalpy.
An endothermic reaction transfers energy from the surroundings to the reacting substance. The body of the container feels cold. In an endothermic reaction, enthalpy is positive.
1. True or False: Nitrogen bases form the sides of the DNA ladder
2. True or False: Translation is the process of making a protein from RNA
Answer:
1. False 2. True
Explanation:
1. Nitrogen forms the rungs
What is Kb for C5H5N(aq) + H2O() = C5H5NH+(aq) + OH(aq)?
The statement of kb is "[C5H5NH+][OH-]/[C5H5N]"
What is Kb?The base dissociation constant is defined as Kb. In water, the base dissociation constant is a measurement of how efficiently a base dissociates into its component ions.
The hydroxide ion is formed when weak bases react with water, as stated in the general equation below, where B is the parent base and BH+ is its conjugate acid:
B(aq) + H2O(l) ⇌ BH+ (aq) + OH−(aq)
The base dissociation constant (Kb), also known as the base ionisation constant, is the equilibrium constant for this reaction:
Kb = [BH+][OH−]/[B]
From the given equation, base dissociation constant comes out to be,
Kb = [C5H5NH+][OH-]/[C5H5N]
Hence the correct answer is Kb = [C5H5NH+][OH-]/[C5H5N]
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Name three things you know about angiosperms
Answer:
Angiosperms are further classified as monocotyledonous and dicotyledonous plants. Cotyledons are the first leaves – the seed leaves – that a plant grows upon germination. The female reproductive organs of an angiosperm are the stigma, style and the ovary which are collectively known as the carpel.
Explanation: