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.
Precipitation will increase in areas where there is A) less transpiration and less run-off. B) lower temperatures and more evaporation. C) lower temperatures and less evaporation. D) higher temperatures and more evaporation. Submit
What is the frequency of a wave?
A the distance traveled by the wave during one full cycle
B. The distance from the beginning to the end of a cycle
C. The amount of cycles that occur in a given time
D. the amount of time that one full cycle takes
The frequency of a wave is the distance from the beginning to the end of a cycle. Therefore, option B is correct.
What do you mean by the term frequency ?Frequency is measured in hertz and is defined as the quantity of oscillations of a wave per unit of time (Hz).
The equation f = vλ , where is the wavelength in metres and v is the wave speed in m/s, may be used to determine the frequency of a wave if the wavelength and speed of the wave are known.
The quantity of waves that pass a set location in a predetermined period of time is known as frequency. Hence, if a wave passes through in half a second, the frequency is 2 per second. The frequency is 100 times per hour if it takes 1/100 of an hour.
Thus, option B is correct.
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Which 1.0 M acid solution has the largest concentration of hydronium [H3O+]?
HNO2
H2CO3
H2SO4
H3BO3
Answer:
H2SO4
Explanation:
OTHER ACIDS ARE WEAK ACIDS AND A VERY FEW AMOUNT OF H+ ARE RELEASED TO THE MEDIUM
The 1.0 M acid solution with the largest concentration of hydronium [H3O+] is H2SO4 (sulfuric acid). H2SO4 is a strong acid that completely ionizes in water, resulting in a high concentration of hydronium ions.
Explanation:The 1.0 M acid solution with the largest concentration of hydronium [H3O+] is H2SO4 (sulfuric acid).
When an acid dissolves in water, it donates hydrogen ions (H+) to form hydronium ions (H3O+). The concentration of hydronium ions is directly related to the strength of the acid. In this case, H2SO4 is a strong acid, meaning it completely ionizes in water, resulting in a high concentration of hydronium ions.
On the other hand, HNO2 (nitrous acid), H2CO3 (carbonic acid), and H3BO3 (boric acid) are all weak acids, meaning they only partially ionize in water and produce lower concentrations of hydronium ions.
Will give brainlest. Quinn was attempting to model the rock cycle with taffy pieces. She cut the taffy into small pieces with scissors. What portion of the rock cycle is she modeling to start her activity?
A.Erosion, where rock pieces are broken into tiny sediments
B.Weathering, where rock pieces are broken into tiny sediments.
C.Cementation, where sediments and rock pieces are smashed and cemented together.
D.Cutting the taffy into small pieces is not modeling a portion of the rock cycle.
Which of the following changes the solid Earth the most?
if a copper acetate hydrate, Cux(C2H3O2)y zH2O compound is found to contain 31.82% Copper, 59.14% acetate,and the remainder is water. What is the empirical formula of this compound ?
Which statement about trade during the period of the Roman Empire is correct? A. Trade supplied Romans with exotic goods and helped spread new ideas. B. Trade was confined to food staples transported over short distances. C. Most of the empire's outlying territories refused to trade with Rome. D. A lack of paved, well-maintained overland routes hampered Roman trade.
Option A i.e Trade supplied Romans with exotic goods and helped spread new ideas is the correct answer.
The Roman Empire was the center of trade between the East and the West. Besides trade of goods, the trade helped Spread new ideas and culture of East and the West in the Rome. So Trade routes were dissemination of new ideas and culture in the past.
Atoms sometimes form bonds to
A. Lose energy
B. Become more stable
C. Give away neutrons
D. Give away protons
Atoms sometimes form bonds to become more stable. Option B is correct.
The stability of atoms is determined by the arrangement and distribution of electrons in their energy levels or electron shells. Atoms tend to have the most stable configuration when their outermost electron shell is filled with electrons, either by gaining, losing, or sharing electrons with other atoms.
In the process of bond formation, atoms interact with each other and undergo a redistribution of electrons. This redistribution allows atoms to achieve a more favorable electron configuration, often resembling that of a noble gas with a full outer electron shell.
By forming chemical bonds, atoms can fill or empty their outermost electron shells, which increases the stability of the entire system. The resulting stability is driven by the decrease in potential energy associated with achieving a more favorable electron configuration.
Hence, B. is the correct option.
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balance the following chemical equations identify the type of reaction n2+f2–>nf3
Balance the chemical equations reaction n2+f2–>nf3 is 3N2 + 3F2 → 6NF3
To balance the chemical equation N2 + F2 → NF3, we need to make sure that there are equal numbers of each type of atom on both sides of the equation. Let's go through the steps to balance this equation:
1. Start by counting the number of atoms on each side of the equation. On the left side, we have 2 nitrogen (N) atoms and 2 fluorine (F) atoms. On the right side, we have 1 nitrogen (N) atom and 3 fluorine (F) atoms.
2. To balance the nitrogen atoms, we need to put a coefficient of 2 in front of NF3 on the right side. This gives us 2 nitrogen atoms on both sides.
N2 + F2 → 2NF3
3. Now let's check the number of fluorine atoms. On the left side, we have 2 fluorine (F) atoms, and on the right side, we have 6 fluorine (F) atoms.
4. To balance the fluorine atoms, we need to put a coefficient of 3 in front of F2 on the left side. This gives us 6 fluorine atoms on both sides.
3N2 + 3F2 → 6NF3
Now the equation is balanced, with equal numbers of nitrogen and fluorine atoms on both sides.
In terms of the type of reaction, this is a synthesis or combination reaction. In a synthesis reaction, two or more reactants combine to form a single product. In this case, nitrogen gas (N2) and fluorine gas (F2) react to form nitrogen trifluoride (NF3).
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Identify two kinds of data the student will likely collect during his experiment. Identify the type of data collected and how the student might present his data.
Although your question is incomplete a general answer on the two kinds of data a student will collect during an experiment are : Qualitative and Quantitative data
Qualitative data are data that describes the physical attributes of the results of an experiment. It can be obtained by observation.
Example : the color of the solute or solvent used during the experiment whileQuantitative data are data obtained in the numerical form during an experiment, it can be obtained by taking physical measurements and they are collected for statistical analysis.
Example : The molecular Weight of the solution, solvent or solute used for an experiment.Hence the two main types of data collected during an experiment are : Quantitative and Qualitative data.
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Which of the following situations is accurate regarding the transfer of heat? Thermal energy from the refrigerator is transferred to a hot pie.
An ice cube loses heat to a warm glass of water.
A warm cup of tea transfers heat to cold hands.
An open door on a freezer cools a warm room.
Final answer:
In the given situations, the accurate statement regarding the transfer of heat is: An ice cube loses heat to a warm glass of water.
Explanation:
Heat is the transfer of energy from an object with a higher temperature to an object with a lower temperature. In the given situations, the accurate statement regarding the transfer of heat is:
An ice cube loses heat to a warm glass of water.
When the ice cube comes into contact with the warm glass of water, heat energy is transferred from the water molecules in the ice cube to the water molecules in the glass, causing the ice cube to melt.
Which would not be associated with stable atmospheric conditions
afternoon thunder showers is the answer
The correct answer is - afternoon thunder showers.
When we say stable atmospheric conditions it means that the atmosphere should be relatively calm, without having any disturbances in it. A nice example for a stable atmospheric conditions is a clear sunny sky and a calm wind. On the other hand, we have the afternoon thunder showers. The afternoon thunder showers are the total opposite of stable atmospheric conditions. When they occur, there's lot of disturbances, air pressures are mixing, the winds are changing speeds, heavy rainfall occurs, the air pressure changes rapidly, there's electrical charges, all in all creating a real mess in the atmosphere.
Answer:
afternoon thunder showers.
Explanation:
Which of the following statements correctly describes the make-up and function of genes?
Genes are made of DNA and are carried on chromosomes.
Genes are not made of DNA, but they are carried on chromosomes.
Genes are made of chromosomes and carried on DNA.
Genes are not made of chromosomes but are carried on DNA.
Answer:
Genes are made of DNA and are carried on chromosomes.
What causes the Coriolis effect?
A. the different air movements north and south of the equator
B. the rotation of the earth on its axis
C. winds spinning off the equator
D. the friction that slows down winds near the earth's surface
Make the selection that best completes the sentence.
All of the planets in our solar system orbit the sun
A. in perfect circles
B. at the same speed
C. in an ellipse
D. at the same distance
Heat will flow from a hot object to a cold object until the objects reach A. stability. B. boiling point. C. collapse. D. equilibrium.
what is the realtionship between the kentic energy of molecules in an object and the objects tempeture
Energy from food is measured in..
1) Joules
2) Watts
3) Calories
4) Kilograms
9. According to the map, where would the strongest winds be expected?
In the middle near Colorado.
What kind of boundary is shown in the image below?
Just did this
the answer is divergent.
just got done doing this haha its divergent
Is air pressure greater at the equator than at the north pole?
Molecular weight of PbCl2 = 278 g/mole Mass of beaker + PbCl2 = 62.19 g Mass of beaker = 57.77 g Mass of PbCl2 per 100 mL = g Moles PbCl2 per 100 mL = [Pb-2] based upon this investigation = M [Cl-] based upon this investigation = M
The wax of a burning candle is a fuel that combines with oxygen in the air. As the fuel is consumed, what happens to most of the energy stored in the bonds of the wax? A. It is used to produce work. B. It stays in the wax. C. It is released as potential energy. D. It is released as heat and light.
Answer:D. It is released as heat and light.
Explanation:
Energy cannot be created nor destroyed but can be converted from one form to another. This is the law of the conservation of energy. Energy is stored in the wax. When the wax is burnt, that energy is converted to another form of energy. In this case heat and light. Energy exists in various forms in nature. Energy is always converted from one form to another.
when 2.85 moles if chlorine reacts with excess tin hiw many moles of tin(IV)chloride are formed
When 2.85 moles of chlorine reacts with excess tin, 1.425 moles of tin(IV) chloride are formed.
Stoichiometry Calculation
To solve this problem, we need to use the balanced equation for the reaction between chlorine (Cl₂) and tin (Sn) to form tin(IV) chloride (SnCl₄):
Sn + 2Cl₂ → SnCl₄
This equation tells us that 1 mole of Sn reacts with 2 moles of Cl₂ to produce 1 mole of SnCl₄. In this case, chlorine gas is in excess, meaning tin is the limiting reactant.
Steps:
First, determine the number of moles of chlorine gas available: 2.85 moles of Cl₂.From the balanced equation, 2 moles of Cl₂ react to form 1 mole of SnCl₄.Therefore, the moles of SnCl₄ formed can be calculated by dividing the moles of Cl₂ by 2:Moles of SnCl₄ = 2.85 moles Cl₂ / 2 = 1.425 moles of SnCl₄
So, when 2.85 moles of chlorine reacts with excess tin, 1.425 moles of tin(IV) chloride are formed.
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PLEASE GIVE 2-3 SENTENCES!
An organism has the scientific name Canis lupus. Based on your knowledge of taxonomic categories explain how it is similar to and dissimilar from another organism, Canis latrans.
Answer:Differences are that Canis latrans/'Coyte' is smaller than Canis lupus/'Gray Wolf'. and the similarities are both canines and carnivorous
Explanation:
From which sphere does most water evaporate
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which factor would increase the carrying capacity for a white-tailed deer in an eastern temperate forest ecosystem
Answer:
Development of natural reserves of forest land and crack down on hunting
Explanation:
White-tailed deer also known as Virginia deer is a small to medium-sized deer common to North America, and South America. Deer coat is reddish-brown in spring and summer they turn grey-brown through the fall in winter. A resident of the temperate grasslands adapted themselves to open lands of prairie, and savanna woodlands. They commonly eat leguminous crops and forge on other crops including leaves, cacti, and shoots. They also eat acorns, fruit, and corn. Due to climate change and the influence of man majority of deer have migrated and the impact of diseases has also reduced the large deep population which can be overcome by rehabilitation programs so as their original habitats are ensured.If the molecular mass of tetraoxosulphate(VI) acid is 98, calculate it's vapour density.
What happens if someone let's go of the button on an electric door bell
Releasing the button on a doorbell opens the electrical circuit, stopping the flow of current and the bell's sound. This action is similar to how a circuit breaker works, by cutting off the electric current to prevent a continuous ring or possible overloading.
When someone releases the button on an electric doorbell, the electrical circuit that was completed when the button was pressed becomes open. This happens because doorbells are typically operated by a push button switch, which controls the flow of electricity. As long as the button is pressed, the circuit is closed, allowing electrical current to flow through and activate the bell or buzzer. Once the button is let go, the circuit opens, the current stops flowing, and the doorbell sound ceases.
Additionally, this action is akin to a circuit breaker in the way it interrupts the electrical flow. The breaker's electromagnet becomes less strong without the current, which in turn releases the moving contact, breaking the circuit. Though an electric shock from a doorbell is highly unlikely due to the low voltage involved, it's important to remember safety protocols when handling electrical circuits to prevent shock, reminiscent of the "can't let go" effect described with more dangerous voltages.
Why are people against saving the ozone layer?