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3 years ago

What are the stable isotopes of carbon?

Chemistry

1 answer:

andreyandreev [35.5K]3 years ago

3 0

Answer:

The stable isotopes of carbon are carbon-12 (12C) and carbon-13 (13C).

I hope this helps! :)

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Which two changes would increase the gravitational force between two

scoundrel [369]

Answer:

B. Increase the mass of one of the objects.

E. Decrease the distance between the objects.

Explanation:

To effect an increase in the gravitational force between two objects, the mass of both objects should be increased and the distance between them reduced.

This is derived from the Newton's law of universal gravitation:

It states that "the force of gravity between two bodies is directly proportional to the product of their masses and inversely proportional to the square of the distance between them".

Therefore, if the mass of the two bodies are increased and the distance between them reduced, the gravitational force of attraction will increase.

4 0

3 years ago

Which solutions is more basic: a solution with a pH of 9 or a solution with a pH of 12?

Nuetrik [128]

Answer:

Explanation:

pH= 7 is neutral, pH<7 - acidic solutions,

pH>7 - basic solution.

The more value of pH, the more basic solution is.

So, the solution with pH = 12 is more basic.

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1 year ago

How do decomposers break down waste material and and the remains of dead organisms?

VladimirAG [237]

the answer is A or B

8 0

3 years ago

How many protons are in Lithium-8 *

DaniilM [7]

I believe there would still be 3 protons in Lithium-8 because its usually the neutrons that are affected.

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3 years ago

Explain what happens in the reaction between sodium hydroxide and hydrochloric acid.Explain how protons are donated and accepted

Artyom0805 [142]

Answer:

Hydrochloric acid and sodium hydroxide interact, resulting in salt and a release of heat. As we can see, the result of the interaction of two highly aggressive compounds is table salt and water – compounds that are ultimately harmless, even beneficial, to human beings.

2) An acid is a substance that donates protons (in the Brønsted-Lowry definition) or accepts a pair of valence electrons to form a bond (in the Lewis definition). A base is a substance that can accept protons or donate a pair of valence electrons to form a bond.A base is a substance that can accept protons or donate a pair of valence electrons to form a bond. Bases can be thought of as the chemical opposite of acids. A reaction between an acid and base is called a neutralization reaction.

Explanation:

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7 0

2 years ago