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2 years ago

The measure of the bending of ray of light passing from one medium in another

Chemistry

1 answer:

Assoli18 [71]2 years ago

3 0

Answer:

refractive index . It is denoted by mew (u).

u = sin i / sin r

It is a unitless and dimensionless quantity. It is just a number.

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How do chemical and nuclear reactions differ in(c) Effect on rate of higher reactant concentration?

DochEvi [55]

Nuclear reactions involve a change in an atom's nucleus, usually producing a different element. Chemical reactions, on the other hand, involve only a rearrangement of electrons and do not involve changes in the nuclei.

<h3>What affects the rate of nuclear reactions?</h3>

Reactant concentration, the physical state of the reactants, and surface area, temperature, and the presence of a catalyst are the four main factors that affect reaction rate.

<h3>What is the main difference between chemical reactions and nuclear reactions?</h3>

Chemical reaction normally occurs outside the nucleus. Nuclear reaction happens only inside the nucleus. When chemical reactions occur elements hold their identity and the nuclei of atoms also remains unchanged. During nuclear reactions, the nuclei of atoms changes completely and new elements are formed.

Learn more about chemical reaction here:

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7 0

1 year ago

Cooking in a microwave oven is possible because of

Anna35 [415]

they channel heat energy directly to the molecules (tiny particles) inside food. Microwaves heat food like the sun heats your face—by radiation. A microwave is much like the electromagnetic waves that zap through the air from TV and radio transmitters

5 0

3 years ago

- Standard state refers to

yulyashka [42]

Answer: The standard state refers to 1 atm and $25^{o}C$ .

Explanation:

It is known that a chemical/substance can either be present in a solid, liquid or gaseous state.

So, when the phase of a substance like solid, liquid or gas is present at 1 atmosphere pressure and at a temperature of $25^{o}C$ then it known as standard state of substance.

Thus, we can conclude that standard state refers to 1 atm and $25^{o}C$ .

4 0

3 years ago

Which of the following statements is true? The boiling point is higher for 100 liters of water than for 10 liters. During deposi

mart [117]

Answer:

During deposition, a gas changes directly into a solid

Explanation:

7 0

3 years ago

Read 2 more answers

A piece of lumber is 7.60cm long. What is it’s length in millimetres and in inches?

MrRissso [65]

Explanation:

Since 10mm is 1cm

Therefore 7.60cm is 760mm

Since 1 inch is 2.54cm

Therefore 7.60cm is 3.10 inches

4 0

2 years ago