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grandymaker [24]
3 years ago
12

What is the ability to do work or cause change is called ?

Chemistry
2 answers:
Vikentia [17]3 years ago
5 0

Answer:

1. Energy

2i. Potential energy

2ii. Kinetic energy

Explanation:

Energy is simply the ability to do work.

Mechanical energy exist in two forms

1. Potential energy: this is the energy possed by a body at rest. It is otherwise known as stored energy.

2. Kinetic energy: this is the energy possed by a body in motion. A body changing position possess kinetic energy.

Citrus2011 [14]3 years ago
3 0

Answer: 1. Energy 2. Potential Energy and Kinetic Energy

Explanation: Energy is the capacity of a physical system to do work. Energy for stationary objects is called as Potential energy and energy in motion is known as Kinetic energy.

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energy that freely moves from one place to another. It is responsible for vibration of particles of matter

8 0
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The molecule NH3 contains all single bonds.<br><br> true <br> false
dsp73
<h3><u>Answer;</u></h3>

True

<h3><u>Explanation</u>;</h3>
  • The molecule NH3 contains all single bonds.
  • NH3 has a three single covalent  bond among its nitrogen and hydrogen atoms,because one valence electron of each of three atom of hydrogen is shared with three electron.
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How long is a half life for carbon 14?
babunello [35]

Answer:

half-life of 5,700 ± 40 years

Explanation:

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How many grams of lithium sulfide (Li2S) are in 275 g of a 16 % aqueous solution of Li2S?
krok68 [10]

Answer:

600 mAh·g−1

Explanation:

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3 0
3 years ago
The following thermochemical equation is for the reaction of nitrogen(g) with oxygen(g) to form nitrogen dioxide(g). N2(g) + 2O2
Rzqust [24]

<u>Answer:</u> The mass of nitrogen gas reacted to produce given amount of energy is 5.99 grams.

<u>Explanation:</u>

The given chemical reaction follows:

N_2(g)+2O_2(g)\rightarrow 2NO_2(g);\Delta H=66.4kJ

We know that:

Molar mass of nitrogen gas = 28 g/mol

We are given:

Enthalpy change of the reaction = 14.2 kJ

To calculate the mass of nitrogen gas reacted, we use unitary method:

When enthalpy change of the reaction is 66.4 kJ, the mass of nitrogen gas reacted is 28 grams.

So, when enthalpy change of the reaction is 14.2 kJ, the mass of nitrogen gas reacted will be = \frac{28}{66.4}\times 14.2=5.99g

Hence, the mass of nitrogen gas reacted to produce given amount of energy is 5.99 grams.

8 0
3 years ago
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