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aev [14]
3 years ago
9

A new substance is usually formed when two or more substances combine and form new protons. chemical bonds. physical shapes. ele

ctrons.
Chemistry
1 answer:
vovangra [49]3 years ago
5 0
Chemical bonds.
protons and electrons can't combine
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2 difference between carbon reduction and thermite process
Stels [109]

Answer:

carbon reduction we can extract a base metal from its ore via reduction of fused metal oxide using carbon whereas, in thermite process, we use aluminium powder instead of carbon.

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2 years ago
An enzyme reduces the energy necessary to start a chemical reaction. This means the rate of reaction will
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8 0
2 years ago
Rank these molecules or groups of molecules by when mammals use them as fuel, from right after a meal through only during starva
Natalka [10]

The question is incomplete: the complete question is:

Rank molecules or group of molecules by when mammals use as fuel, starting right after meal to only through?

starvation.

a) glucose from glucose-2-phosphate from glycogen.

b) free glucose and amino acids

c) fatty acids from triglycerides

d) glucose produced from amino acids in liver.

Answer:

B

A

C

D

Explanation:

Free glucose and amino acid enters into the blood stream directly and can be used immediately after meals by mammals.

The liver stores excess glucose as glycogen, hence when glucose levels begin to reduce in the body, the pancreas releases glucagon which converts glycogen to glucose.

Triglycerides are broken down to give fatty acids which gives much more energy than glucose.

During starvation, amino acids in the liver is converted to glucose when a person goes for days without eating.

6 0
3 years ago
If the temperature of a liquid increases the rate of evaporation will do what?
konstantin123 [22]
The rate of evaporation will increase as well.
6 0
3 years ago
PLEASE HELPP ASAP!!!!!What is the equation for density A. D=M/V B. D=V/M C. D= M/V2 D. D=1/2 MV2
mestny [16]

The correct answer is option A.

D = M/V

The density of a substance is the ratio of its mass to its volume.

Density = mass / volume

or D = M/V

The unit of density is gram per milliliter or g/ml, when mass is expressed in gram or g and the volume is expressed in milliliter ml.

If we know the mass and volume of a substance we can calculate its density using the formula for density.


8 0
3 years ago
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