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Zepler [3.9K]
3 years ago
6

Eddie and Val observed the picture of an athlete running in a race. Eddie stated the picture shows potential energy being transf

ormed to kinetic energy. Val stated that it shows chemical energy being transformed to mechanical energy. Which best explains who is correct? Only Eddie is correct because the picture does not show a transformation that starts with chemical energy. Only Eddie is correct because the picture does not show a transformation that ends with mechanical energy. Both Eddie and Val are correct because chemical energy is a type of potential energy and mechanical energy includes kinetic energy. Both Eddie and Val are correct because chemical energy is a type of kinetic energy and mechanical energy includes potential energy.
Chemistry
2 answers:
dusya [7]3 years ago
6 0

Answer:

Both Eddie and Val are correct because chemical energy is a type of kinetic energy and mechanical energy includes potential energy.

Explanation:

tatuchka [14]3 years ago
5 0

Answer:

D

Explanation:

Just took it :)

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What is the % yield when 12g of Mg react with HCl to produce 0.2g of H2?
goblinko [34]

Answer:

The yield is 20 %.

Explanation:

Mg + 2 HCl → MgCl2 + H2

(12 g Mg) / (24.30506 g Mg/mol) x (1 mol H2 / 1 mol Mg) x (2.015894 g H2/mol) = 0.9953 g H2.

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3 years ago
How many calories are absorbed in a process that absorbs 0.128 joules?
earnstyle [38]

Answer:

There are 0.0305 calories in 0.128 joules

Explanation:

Given that,

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1 J = (1/4.184) J

So,

0.128\ J=\dfrac{0.128 }{4.184}\\\\=0.0305\ cal

So, there are 0.0305 calories in 0.128 joules

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