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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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Calculate the [H+] in a solution that has a pH of 10.36
Pavlova-9 [17]

Answer:

[H+] = 4.365x10⁻¹¹

Explanation:

The pH is a measurement widely used in chemistry. Is used in quality control to determine if a product is good for human or pet consumption. The equation to obtain the pH is:

pH = -log [H+]

To solve [H+]:

10^pH = -[H+]

10^-pH = -[H+]

In the problem:

10^-10.36 = -[H+]

<h3>[H+] = 4.365x10⁻¹¹</h3>
5 0
3 years ago
Which of the answer choices correctly describes Le Châtlier's principle?
almond37 [142]
<h3><u>Answer</u>;</h3>

A. When a reaction is at chemical equilibrium, a change in the system will cause the system to shift in the direction that will balance the change and help the reaction regain chemical equilibrium.

<h3><u>Explanation</u>;</h3>
  • Le Chatelier's principle states that when a change or a "stress" is placed on a system that is at equilibrium, the system will shift in such a way to relieve that change or stress.
  • The stresses include; changing the concentration of reactants or products, altering the temperature in the system and changing the pressure of the system.
  • Therefore; <u><em>when a chemical reaction is at equilibrium and experiences a change in pressure, temperature, or concentration of products or reactants, the equilibrium shifts in the opposite direction to offset the change. </em></u>
7 0
3 years ago
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What is a sign that a person may be abusing drugs?
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Answer:

answer is a because drugs do so to the person.

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Describe two ways you could demonstrate an acceleration of 2 meters per second squared?
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Explanation:

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Your teacher asks you to design an experiment that shows how plants respond to changes in their environment. You have two identi
tia_tia [17]

Answer:

1.  Make observations.

Determine whether the plant grown under the white light bulb or the plant grown under the red light bulb grew better.

Observations are anything we notice which lead to a question in our mind.

2. Ask a question.

Do plants grow as well under a different color of light?

As this is a question being asked, hence it will be the question for the scientific method of research.

3. Test the hypothesis.

Put one plant under a white light bulb, and  place the other plant under a red light bulb.  Measure the growth of the two plants.

To test the hypothesis, experiments are performed. This is the experiment.

4. Analyze the results, and make a conclusion.

Plants grow well under sunlight or a light bulb  with a hot, white light.

After the experiments, the results are compiled and a conclusion is drawn.

5. Test or modify.

If you observe no change, repeat the experiment with different colors of light bulbs. If there is a change, repeat the experiment for one or two more trials to ensure that the color of the light bulb contributes to the change.

If our hypothesis does not come out to be true, then another hypothesis can be generated and tests be done for it.

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