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Brut [27]
3 years ago
13

Which statement is true? Select one: a. Hydroelectric power, a nonrenewable resource, is generated from moving water. b. Oil, a

nonrenewable resource, is processed to make jet fuel. c. Propane, a renewable resource, is used in some heating systems. d. The energy from the sun, a nonrenewable resource, can be converted to electricity in solar cells.
Chemistry
2 answers:
Hatshy [7]3 years ago
8 0

a) False.

Hydroelectric power is a renewable source of energy generated from moving water

b) True.

Oil is a non-renewable source used to make jet fuel

c) False

Propane is a byproduct of natural gas which is a non-renewable source of energy

d) False

Energy from the sun is a renewable source of energy

Ans : b) True

madreJ [45]3 years ago
4 0

Which statement is <u><em>true</em></u>?

Answer:

The energy from the sun, a nonrenewable resource, can be converted to electricity in solar cells.

Explanation:

People use solar panels and those generate electricity which makes it easy to flip on and off a light switch. Or can be used for something bigger, like a solar plant, or just a regular house.

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A) It becomes sand
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3 years ago
How many g are equal to 345.7 mg? what conversion factor will you use
Over [174]

Answer:

0.3477 grams

The conversion factor is 1/1000

Explanation:

347.7 mg = 0.3477 grams

1 mg = 1x10⁻³ g

1 g / 1000 mg . 347.7 mg = 0.3477 grams

3 0
3 years ago
You decide to make a salad for dinner. You have lettuce, tomatoes, olives, onions, cheese, and of course your favorite salad dre
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Homogeneous mixture. (all of the different components of the salad are shown)
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3 years ago
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How much more heat does it take to vaporize 1 mole of ethanol than to melt it?
nirvana33 [79]

Answer:

I do not know how to solve this bit i THINK 38.56

Explanation:

3 0
3 years ago
Ne, c4h10, is a component of natural gas that is used as fuel for cigarette lighters. the balanced equation of the complete comb
Simora [160]
<span>3.68 liters First, determine the number of moles of butane you have. Start with the atomic weights of the involved elements: Atomic weight carbon = 12.0107 Atomic weight hydrogen = 1.00794 Atomic weight oxygen = 15.999 Molar mass butane = 4*12.0107 + 10*1.00794 = 58.1222 g/mol Moles butane = 2.20 g / 58.1222 g/mol = 0.037851286 Looking at the balanced equation for the reaction which is 2 C4H10(g)+13 O2(g)→8 CO2(g)+10 H2O(l) It indicates that for every 2 moles of butane used, 8 moles of carbon dioxide is produced. Simplified, for each mole of butane, 4 moles of CO2 are produced. So let's calculate how many moles of CO2 we have: 0.037851286 mol * 4 = 0.151405143 mol The ideal gas law is PV = nRT where P = Pressure V = Volume n = number of moles R = Ideal gas constant ( 0.082057338 L*atm/(K*mol) ) T = absolute temperature (23C + 273.15K = 296.15K) So let's solve the formula for V and the calculate using known values: PV = nRT V = nRT/P V = (0.151405143 mol) (0.082057338 L*atm/(K*mol))(296.15K)/(1 atm) V = (3.679338871 L*atm)/(1 atm) V = 3.679338871 L So the volume of CO2 produced will occupy 3.68 liters.</span>
4 0
3 years ago
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