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2 years ago

WILL MARK BRANLIEST!

Chemistry

2 answers:

Eduardwww [97]2 years ago

5 0

Answer:

1 is the most potential energy, 2 is gaining potential energy, 3 is most kinetic energy, and 4 is gaining potential energy.

Explanation:

Citrus2011 [14]2 years ago

4 0

Answer:

1. gaining kinetic. 2. most kinetic. 3. gaining potential 4. most potential.

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Law of Universal Gravitation (what factors affect gravity and how?)

olya-2409 [2.1K]

Explanation:

Hey there!

According to the law of gravitation, the factors that affects the gravity are:

Mass of the heavenly bodies.
Distance from the centre of the body to next body.

Mass of heavenly bodies:The mass of heavenly bodies affect the gravity. We know that gravity is directly proportional to the mass of heavenly bodies. so, when the mass is more there is more gravity and where there is less mass there is less gravity.

Distance from the centre of the body to next body: It is one of the factor to influence gravity. When there is more distance there is less gravity and where there is distance more force is there. Is means gravity is inversely proportional to the distance between the bodies.

Hope it helps...

7 0

3 years ago

PLEASE HELP Determine the number of neutrons for the given isotopes:

zepelin [54]

Helium = 1
Carbon = 8
Nitrogen = 8
Strontium = 52
Tellurium = 71

If you look on a periodic table, on each element there is a number on the top left. This represents the number of protons in an atom. Protons have a mass of 1 (in relative to Carbon-13)

If we take nitrogen-15 for example; The number 15 tells you that the isotope has a mass of 15. Now if you look on the periodic table, Nitrogen has a proton number of 7. Only protons and neutrons have a mass, electrons are considered to be negligable. Therefore the number of neutrons Nitrogen-15 contains is 15 - 7 = 8

3 0

3 years ago

Read 2 more answers

3. How many moles are 1.707 x 10^24 atoms of carbon?

Paraphin [41]

Answer:

2.835 moles of carbon

Explanation:

By definition, there are 6.022x10^23 atoms (or compounds) in one mole.

Write and use this as a conversion factor:

(6.022x10^23 atoms)/mole

(1.707 x 10^24 atoms of carbon)/((6.022x10^23 atoms)/mole) = 2.835 moles carbon

8 0

2 years ago

What is the number of Cl atoms in a 784 gram pure sample of NC13?

LuckyWell [14K]

Answer:

idk

Explanation:

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5 0

3 years ago

a compound is decomposed In the laboratory and produces 1.40 g N and 0.20g H what is the empirical formula

Bumek [7]

First, find the number of moles for each element. The molar mass for nitrogen is 14 g/mol and that of hydrogen is 1 g/mol.

1.40 g N / 14 g/mol = 0.1 mol N

0.20 g H / 1 g/mol = 0.2 mol H

Find the mole ratio. Divide both numbers with the much lower value. In this case, it is 0.1 mol N.

For N: 0.1 ÷ 0.1 = 1

For H: 0.2÷0.1 = 2

Thus, the empirical formula is $NH_{2}$ .

7 0

4 years ago