2 years ago

What would you do during a zombie apocalypse

Chemistry

1 answer:

Phantasy [73]2 years ago

8 0

Answer:

Explanation:

because then you'd be able to make a group to raid, run with you, and save more people.

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Which of the following is a homogeneous mixture of two or more pure substances?

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3 years ago

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If 9.5 × 10²⁵ molecules of CO₂ are produced in a combustion reaction, what is the mass in kg of CO₂ that is produced?

Leno4ka [110]

Answer:

6.9428 kg of CO2

Explanation:

1) Use Avogadro's number that states 1 mole = 6.022 x 10^23 particles. Convert 9.5 x 10^25 molecules into moles.

9.5 x 10^25 CO2 molecules $x\frac{1 mole CO2}{6.022 x 10^23}$ = 157.75 moles CO2

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$157.75moles CO2$ $x \frac{44.01g/mol}{1 mole CO2}$ = 6942.79g

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2 years ago

Generally, systems move spontaneously in the direction of increasing entropy. TRUE FALSE

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Answer:

true

Explanation:

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