1 year ago

Would you rather be hot or cold

Chemistry

2 answers:

Vitek1552 [10]1 year ago

7 0

Answer:

hot

Explanation:

because I like to stay warm and take warm showers

Norma-Jean [14]1 year ago

4 0

Answer:

cold

Explanation:

because being cold helps to refresh my body personally

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makkiz [27]

Answer: 8.59 L of oxygen gas are needed to produce 100 kJ of energy at STP

Explanation:

According to avogadro's law, 1 mole of every substance occupies 22.4 L at STP and contains avogadro's number $6.023\times 10^{23}$ of particles.

Standard condition of temperature (STP) is 273 K and atmospheric pressure is 1 atmosphere respectively.

1 mole of every gas occupy volume at STP = 22.4 L

The balanced chemical reaction is:

$2C_6H_6(I)+15O_2(g)\rightarrow 12CO_2(g)+6H_2O(g)$

3909.9 kJ of of energy is produced by = $15\times 22.4=336L$

100 kJ of oxygen gas are needed to produce = $\frac{336}{3909.9}\times 100=8.59L$

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2 years ago

5. Why do water droplets form on the outside of a glass of cold soda?

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Uranium has an atomic weight of 238 amu.

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sveticcg [70]

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