How much Ca3(PO4)2(s) could be produced in an industrial process if 55.00g of CaCl2 In solution reacted completely wth sufficient Na3(PO4)(aq)

Final answer:

To convert the mass of Jordan's puppy from milligrams to grams, divide the mass in milligrams by 1000. The puppy has a mass of 5.48 grams.

Explanation:

To convert the mass of Jordan's puppy from milligrams to grams, we need to divide the mass in milligrams by 1000. This is because there are 1000 milligrams in 1 gram.

So, to convert 5480 milligrams to grams, we divide 5480 by 1000:

5480 mg ÷ 1000 = 5.48 g

Therefore, Jordan's puppy has a mass of 5.48 grams.

The answer is B: Minimize Habitat Destruction

A permanent magnet can make a light bulb glow by making it move as to convert kinetic and magnetic energy into electric current. Both energy combined in a coil of copper wire causes the electrons in the wire to move then create an electric current and make the light bulb glow. 

Moreover, this process is called electromagnetic induction where there is a creation of potential difference or voltage through an electric conductor, such as coil of wire, when it is exposed to a varying or moving magnetic field.  As long as the conductor is part of a closed circuit, current will flow through it whenever it crosses lines of force in the magnetic field. The faster the magnet or coil moves, the greater the amount of electric current is produced. If more turns were added to the coil or a stronger magnet were used, this would produce more current too.

The other missing group in the food chain mentioned is 'Decomposers'. They break down dead organisms and waste materials into basic nutrients which return to the soil, supporting the growth of producers like plants.

Yes, the other missing group in this incomplete food chain is indeed the Decomposers. Decomposers, which include bacteria, fungi, and certain types of insects and worms, perform a crucial role in the food chain. They break down dead animals, plants, and waste materials, converting them back into basic nutrients and matter. This process of recycling matter allows these nutrients to return to the soil, which, in turn, supports the growth of producers like plants.

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Answer:

Chromatography paper.

Explanation:

Chromatography may be defined as the technique used for the separation of molecules on the basis of their size, shape and color. The chromatography requires the mobile phase as well as the stationary phase.

The different pigments of chlorophyll can be separated by the chromatography technique. Here, the chromatography paper work as stationary phase and the drop of cholorophyll is placed on the paper. The water is used as mobile phase and as it moves over the paper separates the component of cholorophyll.

Thus, the answer is chromatography paper.

Fossils are the preserved remaining, impressions or traces of prehistoric organisms.

Trace fossils are the naturally preserved evidence of animal activity like footprints of animals.

Body fossils are formed from the remaining of dead animals and plants like bones, teeth etc.

Bone fossils are the remaining of bones.

Cast fossils are formed by hardening of mud or sand that is filled in the mold and thus gives the shape of the organism

Thus, option D that is cast fossils record the shape and structures of an organism.

Answer is: mass of burned butane is 11.6 g.

Chemical reaction: 2C₄H₁₀ + 13O₂ → 8CO₂ + 10H₂O.

m(butane) = 50,0 g.

V(CO₂) = 17,9 L.
n(CO₂) = V(CO₂) ÷ Vm.
n(CO₂) = 17,9 L ÷ 22,4 L/mol.
n(CO₂) = 0,8 mol.
From chemical reaction n(CO₂) : n(C₄H₁₀) = 8 : 2.
n(C₄H₁₀) = 0,8 mol ÷ 4.
n(C₄H₁₀) = 0,2 mol.
m(C₄H₁₀) = n(C₄H₁₀) · M(C₄H₁₀).
m(C₄H₁₀) = 0,2 mol · 58 g/mol.
m(C₄H₁₀) = 11,6 g.

Phosphorus (P) belongs to group 15 in the periodic table with atomic number = 15

Sulfur (S) belongs to group 16 in the periodic table with atomic number = 16

Now:

Atomic number = Number of protons present in an element

Therefore:

# protons in P = 15

# protons in S = 16

Now, on moving from left to right across the periodic table, the atomic radius decreases. This is because, as the atomic number increases, the nuclear charge also increases due to which the added electron feels a stronger pull towards the nucleus.

Based on the above, S will have a smaller radius and one more proton than P

Ans:A)

It is the same answer as in the question so the answer is b

Metallic bonds contribute to the characteristic properties of metals such as electrical and heat conductivity, malleability, ductility, luster, high melting points, and density due to the free movement of valence electrons and the strong attraction between metal ions and these electrons.

The Relationship Between Metallic Bonds and Metal Properties

Metallic bonds are the force of attraction between positively charged metal ions and the valence electrons that surround them. This creates a lattice-like structure where electrons are free to move. This electrical conductivity is due to electrons being able to flow through the metal, allowing it to carry an electric current. Similarly, the close packing of positive nuclei in metals enables efficient heat conduction.

Metallic bonds also give metals their malleability (the ability to be hammered into sheets) and ductility (the capacity to be stretched into wires), because the layers of atoms can slide past each other without breaking the metallic bonds. The sharing of valence electrons among a sea of metal ions also accounts for the metals' characteristic luster, as electrons absorb and re-emit light energy.

Due to the strength of the metallic bonds, metals typically exhibit high melting points. The tight packing of the atomic structure, resultant from these bonds, also explains the high density commonly associated with metallic substances. Furthermore, metals often form cations in compounds due to the ease with which they can lose valence electrons, a trait that is tied to their metallic bonding nature.

Metallic bonds form a 'sea of electrons' that accounts for the unique properties of metals. This includes high electrical and thermal conductivity, malleability, ductility, and metallic lustre. Examples of metals with these properties are aluminum, copper, and iron.

Metallic Bonds and Properties of Metals:

Metallic bonds are formed between metal atoms due to the unique electronic structure of metals. These bonds are characterized by a 'sea of electrons' where valence electrons are free to move around the fixed cations. This freedom of electrons accounts for various properties of metals.

Examples include aluminum, copper, and iron, each demonstrating these characteristic features due to metallic bonding.

The answer is: B.warm air rises and takes heat with it eventually it cools and sinks.

Solar radiation is the source of electric energy.

The thermal radiation is electromagnetic radiation generated by the thermal motion of charged particles in matter.

Heat spontaneously flows from a hotter to a colder body.

The inner core is the central region of the Sun and all solar energy is produced in the core by nuclear fusion.

Radiative zone is around the inner core and in this area energy is transported by radiation.

Answer: B.warm air rises and takes heat with it eventually it cools and sinks

Explanation: There are three modes of heat transfer:

1. Conduction: This type of heat transfer happens when there is direct contact between the two object.

2.  Convection: This type of heat transfer happens when there is a movement of fluid (liquid or gas) in which convection currents are produced due to the movement of hot fluid upwards and cold fluid downwards. This happens as the density of hot fluid decreases and thus it moves upwards.

3. Radiation: This type of heat transfer happens when there is direct transfer of energy through space.

Warm air rises and takes heat with it eventually it cools and sinks  is an example of convection and not radiation.

A seismograph is an instrument that detects and records the vibrations caused by earthquakes, while a seismogram is the recorded data or output from a seismograph. The inner core of the Earth is solid due to the immense pressure that forces atoms closely together, despite the high temperatures.

The key difference between a seismograph and a seismogram lies in the role they play in studying seismic activity. A seismograph is an instrument that records movements within the Earth, measured by the intensity and duration of earthquakes. It essentially measures the vibrations caused by an earthquake. On the other hand, a seismogram is the actual recording produced by a seismograph. It is the visual output, typically a graph or chart, that scientists look at when studying earthquakes.

As for your second question, the inner core of the Earth is described as solid. Despite the extremely high temperatures, the immense pressure at the core forces atoms closely together, resulting in a solid state.

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Answer:

breathing

Explanation:

The 15.0 kg chunk of ice, falling 8.00 meters, hits the water with a velocity of approximately 12.52 m/s and has kinetic energy of about 1176 joules.

To determine the kinetic energy and velocity of a 15.0 kg chunk of ice falling from a height of 8.00 meters, we can use the principles of physics.

Velocity Calculation:

We use the formula for the final velocity of a freely falling object:

v = √(2gh)

where:

Substitute the values:

v = √(2 * 9.8 m/s2 * 8.00 m) = √(156.8) ≈ 12.52 m/s

Kinetic Energy Calculation:

The kinetic energy (KE) can be calculated using the formula:

KE = 0.5 * m * v2

where:

Substitute the values:

KE = 0.5 * 15.0 kg * (12.52 m/s)2 = 0.5 * 15.0 * 156.8 ≈ 1176 J

So, the chunk of ice has a kinetic energy of approximately 1176 joules and a velocity of 12.52 m/s upon hitting the water.

The Answer Is B.Quickly moving neutrons coming out of the reaction are slowed down by water. The water heats up and turns into steam. The steam turns the turbine and produces electricity.

Answer: The number of oxygen atoms in given amount of magnesium sulfate heptahydrate is [tex]2.265\times 10^{23}[/tex]

Explanation:

To calculate the number of moles, we use the equation:

[tex]\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}[/tex]

Given mass of magnesium sulfate heptahydrate = 8.43 g

Molar mass of magnesium sulfate heptahydrate = 246.47 g/mol

Putting values in above equation, we get:

[tex]\text{Moles of magnesium sulfate heptahydrate}=\frac{8.43g}{246.47g/mol}=0.0342mol[/tex]

The chemical formula of magnesium sulfate heptahydrate is [tex]MgSO_4.7H_2O[/tex]

1 mole of magnesium sulfate heptahydrate contains 1 mole of magnesium atoms, 1 mole of sulfur atoms, 11 moles of oxygen atoms and 14 moles of hydrogen atoms

According to mole concept:

1 mole of a compound contains [tex]6.022\times 10^{23}[/tex] number of particles

So, 0.0342 moles of magnesium sulfate heptahydrate will contain = [tex](11\times 0.0342\times 6.022\times 10^{23})=2.265\times 10^{23}[/tex] number of oxygen atoms

Hence, the number of oxygen atoms in given amount of magnesium sulfate heptahydrate is [tex]2.265\times 10^{23}[/tex]

Final answer:

Matter is anything that occupies space and has mass. Solids, liquids, and gases are all forms of matter. Mass is a measure of the amount of material within an object, while volume is the measure of the physical space it occupies.

Explanation:

Matter is defined as anything that occupies space and has mass. Solids and liquids are more obviously matter: We can see that they take up space, and their weight tells us that they have mass. Gases are also matter; if gases did not take up space, a balloon would not inflate (increase its volume) when filled with gas.

Mass is a measure of the amount of material within an object. The quantity or amount of matter in an object is determined by the numbers of atoms and molecules of various types it contains.

The volume of an object is the measure of the physical space it occupies. Volume is measured in cubic units, such as cubic centimeters or liters. The volume is the "size" of an object.

Answer:

The answer is D. dissolve the sugar in water to separate it from the iron.

Explanation:

hope this helps :)

The component from a mixture can be separated using some methods based on the individual properties.The heating iron and sugar will lead a chemical change and they cannot be separated then using a magnet or by dissolving in water.Thus option B is correct.

Some components which are magnetically susceptible  can be separated from a mixture . Especially materials containing iron can be separated using a magnet.

During a chemical change, chemical bonds will break and form new products. Heating will make a material undergo  some chemical changes. When iron and sugar are heated they both melt if higher temperature is applied.

Iron forms compound with sugar molecules, thus it cannot be separated using a magnet after heating. Both iron and sugar are soluble in water. Therefore, separation by dissolving in water is possible here. Hence option B is correct

To find more on magnetic separation, refer here:

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