2 years ago

What energy is used when you ring a church bell?

Chemistry

1 answer:

nadezda [96]2 years ago

3 0

Kinetic energy :) :)

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I don’t understand how to do this

djverab [1.8K]

Carbon dioxide is a carbon atom and two oxygen atoms, therefore CO2

For the others, they are hydrocarbons.
The first part of the name is determined by how many carbon atoms there are. The second part, is by the type. Alcohol, Alkane, Alkene, alkynes, acid, esters, amides.

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3 years ago

He following balanced equation shows the formation of water. 2H2 + O2 mc020-1.jpg 2H2O How many moles of oxygen (O2) are require

mrs_skeptik [129]

Answer : The correct option is, 13.7 mole

Solution : Given,

Moles of $H_2$ = 27.4 moles

The given balanced chemical reaction is,

$2H_2+O_2\rightarrow 2H_2O$

From the balanced chemical reaction, we conclude that

As, 2 moles of $H_2$ react with 1 moles of $O_2$

So, 27.4 moles of $H_2$ react with $\frac{27.4}{2}=13.7$ moles of $O_2$

Therefore, the number of moles of oxygen $O_2$ required are, 13.7 moles

7 0

2 years ago

Read 2 more answers

Choose the term that best describes the following statement: a system in equilibrium will oppose a change in a way that helps re

Scorpion4ik [409]

Le Chatelier's principle (D)

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2 years ago

1. Describe the evidence that stress plays a role in the development of schizophrenia.

valentina_108 [34]

Answer:

Research shows that patients with schizophrenia are more affected by stress physically as well as emotionally, for instance they show different changes in heart rate under stress and a greater overall risk of cardiovascular disease.

Explanation:

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3 years ago

1. 62 miles per hour into meters per second

Andre45 [30]

Answer:

99758 meters

Explanation: 1 mile=1609 meters. Just multiply 62 with 1609. Let me know if you want a conversion sheet.

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2 years ago