how dose a substance's temperature change when the average kinetic energy of its particles increase? when it decreases?

Answers

Answer 1

Answer:

Substance's temperature increase with the increase in average kinetic energy and decreases with a decrease in average kinetic energy.

How does the temperature of a substance change with a change in average kinetic energy?

The average kinetic energy of a substance's particles is proportional to the substance's temperature.
When a substance is heated, a portion of the energy absorbed is retained inside the particles, while another portion of the energy causes the particles to move more quickly. This is observed as an increase in the substance's temperature.

$K = (1mv^(2)rms )/(2)$

K = average kinetic energy

m = mass

vᵣₘₛ = RMS velocity

Learn more about average kinetic energy here:

brainly.com/question/15359003

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Answer 2

Answer: when the average kinetic energy increases the temperature increases as well. when the average kinetic energy decrease the temperature decreases too.

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Does the green tea have coffein ???

Answers

i think it have some coffein!

Yes, the green tea leaf has caffiene

What might happen if you lose a lot of your platelets?

Answers

Platelets are part of the clotting process when we cut ourselves. If you lose a lot, then you could be in danger of losing too much blood when you are injured.

blood platelets... I think are red blood cells, I know we have red and white... hmmm... hope that helps

A scientist exposed iron fillings to water and air in order to test the ability of iron metal to react. Which is the correct match of the type of change happening and the property being tested during the process? A. Physical change; physical property of reactivity

B. Physical change; physical property of flammability

C. Chemical change; chemical property of reactivity

D. Chemical change; chemical property of flammability

Answers

Answer:

C = chemical change, chemical property of reactivity.

Explanation:

Chemical change:

The changes, that occur due to change in the composition of a substance and result in a different compound is known as chemical change.

These changes are irreversible

These changes occur due to chemical reactions

These may not be observed with naked eye

Example:

The reaction of iron with air in the presence of water lead to the production if ion oxide which is called rusting. It is a chemical change.

Combustion of fuel or wood: that oil or wood convert into energy, CO2 and ash in case of wood

Boiling of egg: that change the chemical composition of protein in the egg

The reaction of Hydrogen and oxygen:

H 2 (g) + O 2 (g) -------------------------------------> 2H 2O (l)

Physical Change:

The changes that occur only due to change in shape or form but their chemical or internal composition remain unchanged.

These changes were reversible.

They have same chemical property.

These changes can be observed with naked eye.

Example

Water converting to Ice

Water converting to gas

In this water molecule remain the same only they rearrange themselves that change its state of mater not composition

Answer:

C) Chemical Change; Chemical Property of reactivity

Explanation:

I took the test

What are the abiotic elements of the ocean? :) :) :) :)

Answers

Abiotic factors of the ocean are sunlight, temperature, moisture, wind or water currents, soil type, and nutrient availability.

Biotic factor are plants, animals, fungi, algae, and bacteria.

Abotic is non-living and biotic is living.

the abiotic elements are the nonliving ones like sand and rocks

Describe what happens when you step on a pin ( this is about the nervous system )

Answers

The pin is the stimulus and your skin is the receptor. Your skin sends an electric impulse which travels in a sensory neuron. The electrical impulse travels over synapses by going through a chemical reaction. It travels to your central nervous system. as a motor neuron, it then is an effector which your body shows the response to. The response is you quickly lifting your foot up.

Which of the following shows the path followed by nerve impulses in a reflex?

Answers

the receptor cell picks up info then sends it to the muscle

Answer:

the receptor cell

Explanation:

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