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damaskus [11]
3 years ago
8

Which of the following objects has the most potential energy?

Chemistry
2 answers:
zhuklara [117]3 years ago
5 0

Answer:

D

Explanation:

because it is being moved around

Juli2301 [7.4K]3 years ago
5 0
The answer should be C
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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 moleculesx\frac{1 mole CO2}{6.022 x 10^23} = 157.75 moles CO2

2) Convert 157.75 moles of CO2 into grams. CO2's molar mass is 44.01g.

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

3) Convert 6942.79 grams into kilograms (divide by 1000):

6.9428 kg

4 0
2 years ago
What form (what compound) is the carbon in?
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3 years ago
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3 years ago
A skateboard with a mass of 1.4 kg is accelerated with a force of 11.9 N.
r-ruslan [8.4K]
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Answer:

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Explanation:

Conduction is a form of thermal energy transferred through direct contact. Using an oven mitt reduces the amount of heat transferred:)

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3 years ago
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