2 years ago

Which statement best describes the relationship between kinetic energy, mechanical energy, and potential energy?

Chemistry

1 answer:

Luba_88 [7]2 years ago

5 0

Answer:

Explanation:

because kinetic and potential are both parts of mechanical energy

you should know we learned it in class

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A compound contains only nitrogen and oxygen and has a formula mass of 44.02. What is the formula of the compound

ch4aika [34]

N₂O

N = 14.01 amu
O ≈ 16 amu

14.01 × 2 = 28.02 ; 2 Nitrogen

44.02 - 28.02 = 16 ; 1 Oxygen

Check

28.02 + 16 ≈ 44.02amu

8 0

3 years ago

How many grams of water can be produced from 10 moles of hydrogen gas?

Veseljchak [2.6K]

10 moles of H2 reacts with 5 moles of O2 creating 10 moles of water.
Water has the molar mass 18 g/mole
10 · 18g = 180 g
180 g of water can be produced from 10 moles of hydrogen gas.

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4 years ago

Determine the mass of CO2 formed if 15 grams of C4H10

Svetlanka [38]

Answer:

$m_{CO_2}=45gCO_2$

Explanation:

Hello there!

In this case, since the combustion of butane is:

$C_4H_{10}+\frac{13}{2} O_2\rightarrow 4CO_2+5H_2O$

Thus, since the molar mass of butane is 58.12 g/mol and that of carbon dioxide is 44.01 g/mol, we obtain the following mass of CO2 product:

$m_{CO_2}=15gC_4H_{10}*\frac{1molC_4H_{10}}{58.12gC_4H_{10}} *\frac{4molCO_2}{1molC_4H_{10}} *\frac{44.01gCO_2}{1molCO_2} \\\\m_{CO_2}=45gCO_2$

Best regards!

4 0

3 years ago

Help me with true or false :)

Ostrovityanka [42]

Answer:

Explanation:

4 is true

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3 years ago

Baking soda and vinegar made sodium acetate.

Rudiy27

Answer: can i see the whole paper

Explanation:

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3 years ago