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Scrat [10]
3 years ago
12

What are two factors that affect an objects kinetic energy

Chemistry
2 answers:
Bad White [126]3 years ago
8 0
Potential energy and height; best guess;)
Harman [31]3 years ago
4 0
Mass and it's velocity
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A sample of a compound made entirely from copper and oxygen was found to have a total mass of 0.143 g the mass of copper in the
tensa zangetsu [6.8K]

Mass of Oxygen: 0.0159 grams

Moles of Oxygen: 9.94x10^-4

To find the mass of oxygen, subtract the mass of copper from the total mass.

0.143-0.1271=0.0159

There are 0.0159 grams of Oxygen.

To find how many moles there are, divide the given amount of oxygen by the molar mass (atomic mass) of oxygen because that mass is the same as one mole of oxygen.

Molar mass of Oxygen: 16.00

0.0159/16.00=9.94*10^{-4}

There are 9.94*10^-4 moles of Oxygen.

6 0
1 year ago
Which two types of information are written in an element's box in the periodic table?
GenaCL600 [577]

Answer:

Yes it is B,D.

Explanation:

Each box represents an element and contains its atomic number, symbol, average atomic mass, and (sometimes) name. The elements are arranged in seven horizontal rows, called periods or series, and 18 vertical columns, called groups.

8 0
2 years ago
Which set of elements have the most similar chemical properties?
EleoNora [17]

answer: A not sure but i hope it helps :) success

7 0
3 years ago
Neutral atoms of the same element can differ in their number of
konstantin123 [22]

Answer:

a. neutron

Explanation:

A neutral atom has the same number of protons and electrons because in order for it to be a neutral atom the charges must be the same.

a neutron has no charge therefore it can be different then the number of protons and electrons in a neutral atom as it won't affect the charge.

7 0
2 years ago
Fractional distilation of liquid air usually produces nitrogen and oxygen as major products . Substance used to remove carbon iv
Nastasia [14]

Answer:

Caustic soda

Explanation:

The fractional distillation of air is carried out on liquid air. Before air is liquified, the carbon dioxide content of air is removed using caustic soda. The air is then compressed to a pressure of about 200 atm, sudden expansion of the gas leads to cooling. The process continues until air becomes liquid at  -200°C.

Fractional distillation of liquid air usually produces nitrogen and oxygen as major products. nitrogen in obtained first since it has a lower boiling point than oxygen. The gases are then dried, compressed and stored in cylinders.

5 0
2 years ago
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