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Ksju [112]
3 years ago
13

For years, surgeons have had great success using _____.

Chemistry
2 answers:
sweet-ann [11.9K]3 years ago
7 0
C artificial heart valves
FrozenT [24]3 years ago
6 0
C the artifical heart
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A change in matter that produces one or more new substances is a ???
Dvinal [7]
Chemical reaction, generally speaking. It's a vague definition, but it's easy to remember.

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Answering questions by analyzing specific observations and using them to come to a more general understanding is known as ______
ad-work [718]

The correct answer would be inductive reasoning.

Primavera?

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All of the food that we eat, liquids that we drink and medications that we take are
kirill115 [55]

A) Chemicals

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3 0
3 years ago
Which chemical equation demonstrates the law of conservation of mass!
zlopas [31]

Answer:

F. 2NO + 02 —> 2NO

H. 4NH3 + 502 —> 4NO + 6H20

Explanation:

The law of conservation of mass states that matter can neither be created nor destroyed during a chemical reaction but can be convert from one form to another.

2NO + 02 —> 2NO

From the above, the total number of N on the left balance the total number on the right i.e 2 atoms of N on both side of the equation.

The total number of O on the left balance the total number on the right i.e 2 atoms of O on both side of the equation. This is certified by the law of conservation of mass.

4NH3 + 502 —> 4NO + 6H20

From the above, the total number of N on the left balance the total number on the right i.e 4 atoms of N on both side of the equation.

The total number of O on the left balance the total number on the right i.e 10 atoms of O on both side of the equation.

The total number of H on the left balance the total number on the right i.e 12 atoms of O on both side of the equation.

This is certified by the law of conservation of mass.

The rest equation did not conform to the law of conservation of mass as the atoms on the left side did not balance those on the right side

5 0
3 years ago
Need help answering this question
a_sh-v [17]

Answer:

1st = saturated

Explanation:

Bro first ka answer saturated he

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