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expeople1 [14]
3 years ago
7

Why doesn't gravity pull water all the way to the center of the Earth?

Chemistry
1 answer:
ElenaW [278]3 years ago
6 0
It has to do with force
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What do lactate dehydrogenase, aspartate aminotransfcrase, and creatine kinase all have in common? a. they all are allosteric en
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Answer:

c. they are all used to diagnose medical conditions

Explanation:

Lactate dehydrogenase, aspartate aminotransfcrase, and creatine kinase all are used to diagnose medical conditions.

6 0
3 years ago
A chemist needs to know the concentration of some NaOH that is in the laboratory. To find this out, she titrates a 50.0 mL sampl
RoseWind [281]

Answer: 2.4 M

Explanation:

According to the neutralization law,

n_1M_1V_1=n_2M_2V_2

where,

M_1 = molarity of Hl solution = 3.5 M

V_1 = volume of HCl solution = 34.3 ml

M_2 = molarity of NaOH solution = ?

V_2 = volume of NaOH solution = 50 ml

n_1 = valency of HCl = 1

n_2 = valency of NaOH = 1

1\times 3.5M\times 34.3=1\times M_2\times 50

M_2=2.4

Therefore, the concentration of NaOH solution is 2.4 M.

6 0
3 years ago
When mountains are young, like the Rocky Mountains, they are very tall, with sharp jagged shapes. When mountains are old, they
marta [7]
I think A.weathering, is the best possible answer
6 0
3 years ago
the atomic masses of 63 cu (69.17 percent) and 65 cu (30.83 percent) are 62.94 and 64.93 amu, respectively. calculate the averag
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Answer:

The average atomic mass of copper is 63.55 amu.

Explanation:

hope this help

7 0
2 years ago
From his experiments ,j.j Thomson concludes what?
Vladimir [108]

Answer:

Thomson made the following conclusions: The cathode ray is composed of negatively-charged particles. The particles must exist as part of the atom, since the mass of each particle is only ∼ 20001​start fraction, 1, divided by, 2000, end fraction the mass of a hydrogen atom.

Explanation:

7 0
3 years ago
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