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aksik [14]
2 years ago
11

Match each renewable energy source with the correct description. solar cell converts sunlight into electricity geothermal energy

turns turbines along coastlines wave water falling through dams turns turbines, generates electricity hydroelectricity o heat produced within the Earth​
Chemistry
2 answers:
uranmaximum [27]2 years ago
8 0

Answer:

Explanation:

The renewable energy sources are:  solar cell, geothermal, wave and hydroelectricity.  Their descriptions are as follows:

converts sunlight into electricity -> solar cell

energy turns turbines along coastlines -> wave

water falling through dams turns turbines, generates electricity -> hydroelectricity

heat produced within the Earth​ -> geothermal

natka813 [3]2 years ago
7 0

Answer:

Explanation:

solar cell - converts sunlight into electricity

geothermal energy - heat produced within the Earth​

wave energy - turns turbines along coastlines

hydroelectricity - water falling through dams turns turbines, generates electricity

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A flask with a volume of 3.16 l contains 9.33 grams of an unknown gas at 32.0°c and 1.00 atm. What is the molar mass of the gas?
Inessa05 [86]

Answer:

73.88 g/mol

Explanation:

For this question we have to keep in mind that the unknown substance is a <u>gas</u>, therefore we can use the <u>ideal gas law</u>:

PV=nRT

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P= 1 atm

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So, we can <u>solve for "n"</u> (moles):

1~atm*3.16~L~=~n*0.082~\frac{atm*L}{mol*K}*305.15~K

n=\frac{1~atm*3.16~L~}{0.082~\frac{atm*L}{mol*K}*305.15~K}

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Now, we have to remember that the <u>molar mass value has "g/mol"</u> units. We already have the grams (9.33 g), so we have to <u>divide</u> by the moles:

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3 years ago
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Answer:

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CA = CBVBNA/VANB

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CA = 1.0 M

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