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Makovka662 [10]
2 years ago
8

A change in which property of light will have no effect on whether or not the photoelectric effect occurs?

Chemistry
1 answer:
Ksju [112]2 years ago
6 0

Answer:

Intensity

Explanation:

The correct answer is -Intensity

Reason -

Intensity has no affect on whether or not the photoelectric effect occurs.

As frequency , wavelength are inversely proportional.

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A certain atom has 11 electrons 8 neutrons and a charge of -1. What is it’s atomic mass
Arlecino [84]

Answer:

20 amu

Explanation:

An atom consist of electron, protons and neutrons. Protons and neutrons are present with in nucleus while the electrons are present out side the nucleus.

All these three subatomic particles construct an atom. A neutral atom have equal number of proton and electron. In other words we can say that negative and positive charges are equal in magnitude and cancel the each other. For example if neutral atom has 6 protons than it must have 6 electrons. The sum of neutrons and protons is the mass number of an atom while the number of protons are number of electrons is the atomic number of an atom.

Atomic mass = Number of protons + number of neutrons

Atomic number = Number of electrons or number of protons.

In given question it is stated that atom has 11 electrons and -1  charge it means this atom has 12 electrons in neutral state.

Thus it has 12 protons because number of electrons and protons are always equal.

Atomic mass of given atom:

Atomic mass = Number of protons + number of neutrons

Atomic mass = 12 + 8 = 20 amu

7 0
3 years ago
How many grams of CO are produced when 41.0 g of C reacts?
CaHeK987 [17]

Answer:

95.7 g CO to the nearest tenth.

Explanation:

2C + O2 ---> 2CO

Using relative atomic masses:

24 g C produces  2*12 + 2*16 g CO.

So 41 g produces  ( (2*12 + 2*16) * 41  ) / 24

= 95.7 g CO,

7 0
3 years ago
I need help trying to find the answer. can u help me?​
Sliva [168]

The answer is:

B. orbits closer to its parent planet that the most other moons

That is because in Neap Tides, Spring Tide, Lunar Eclipse, Solar Eclipse, and other thing you always see the Moon orbiting the Earth in diagrams.  

8 0
3 years ago
Freon is a _____. Ester carboxylic acid alcohol halide hydrocarbon
Tatiana [17]

Answer : The correct answer is, Halide hydrocarbon.

Explanation :

Freon : Freon are the simple aliphatic organic compounds which may contains fluorine, carbon, hydrogen, chlorine or bromine. So, they are a type of chlorofluoro carbons (CFCs).

They are considered as refrigerants which are used in air-conditioning and refrigeration system.

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3 years ago
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1pt According to Einstein's theory of gravity, the more mass an object has, the
wariber [46]

Answer:

B. more it will warp space

Explanation:

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3 years ago
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