How does the absorption and release of energy affect temperature change during a chemical reaction?

Answers

Answer 1

Answer:

If heat is absorbed, the temperature increases.

If heat is released, the temperature decreases.

Hope I helped. :)

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What is the main difference between an internal combustion engine and an external combustion engine?1)The burning of fuel occurs inside the cylinder with the piston in an external combustion engine.2)An internal combustion engine doesn't have a cylinder and a piston.3)The burning of fuel occurs inside the cylinder with the piston in an internal combustion engine.4)An external combustion engine doesn't have a cylinder and a piston
Which of the following is formed at a collision zone?Continental rift valleyVolcanic island chainMountain rangeDeep-ocean trench
Which substance does the chemical formula C6H12O6 represent?simple sugar, water, table salt, or carbon dioxide Please answer quick!!!
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Which of these experimental designs could lead to bias?A) Two mice are given the choice between Swiss and American cheese. B) Phil and Bart race down the street to determine who is the fastest. Eliminate C) A car company pays participants to test drive and evaluate their new auto. D) A private company uses a random taste test of three different, unidentified soft drinks.

Which element melts at room temperature?

Answers

Bromine and Mercury melt at room temperature!
Also please answer questions properly, and not be rude.

Bromine and Mercury are the elements that melt at room tempature. Hope this helped!

What's the difference between a molecular formula and a structural formula

Answers

Answer:

A molecular formula will show the actual number of atoms in a molecule, while the structural formula will show the organization and layout of the atoms in the compound.

Explanation:

i took a test and this was the answer

Glucose and Galactose both have the same molecular formula, C6H12O6, but in the body, galactose must be first converted to glucose to make energy. The difference is their structures

What is the element?

Answers

Helium - 2 protons

lithium - 3

beryllium - 4

Carbon has 6 protons

The particles that make up a rock are constantly in motion. However, a rock does not visibly vibrate. Why do you think this is?

Answers

Answer: because the vibration is of very short amplitude, at atomic scale.

Explanation:

The rocks are solid objects.

The solid physical state is characterized because the particles of the solid substances (molecules or atoms) are closely packed in fixed positions.

So, the particles of solids cannot slip (pass) on each other. Nevertheless, yet the particles vibrate rapidly. This vibration is the manifestation of the thermal energy of the substance.

The vibration of the atoms or molecules in a solid is of very short amplitude: it happens at atomic level, so that vibration is not visible. The vibration may be detected by x-ray diffraction but not by visible light.

This is because the particles themselves are microscopically tiny. In fact, we wouldn't be able to see all these particles moving around because the human eye is not able to see anything that small. This can be said of any solid object.

What do all four of these molecules have in common? A.
They are essential to life.

B.
They carry signals.

C.
They are water soluble.

D.
They act as a source of energy

Answers

I did a quick search and found the diagram. Let's go through these and solve by elimination.

B. Proteins can act as receptors which I guess could be considered a signal, but the rest of the molecules do not. B is incorrect.

C. Lipids are not water soluble. An example of lipids are fats, and oils. Have you ever tried combining water and oil? Think about salad dressing, it does not mix. C is incorrect.

D. Carbohydrates and lipids are sources of energy, but nucleic acids and proteins are not. D is incorrect.

The answer is A. because we know that our bodies are made up of nucleic acids, protein, fats, and we need carbohydrates in order to live normal, healthy lives.

A. They are Essential to Life

Which do all groups of plants have these are the choices A.chloroplasts B.roots C.spores D.tubes

Answers

A.chloroplasts every plant needs it

Chloroplast, Needed to turn light into energy.

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Is a polyatomic ion electrically neutral?