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ziro4ka [17]
4 years ago
12

How do you determine the mass number of an atoms

Chemistry
1 answer:
LuckyWell [14K]4 years ago
4 0
Mass number=number of protons+number of neutrons
=atomic number+number of neutrons
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In which of these systems is the entropy decreasing?
Delicious77 [7]
"A <span>gas condensing to a liquid" is the one system among the following choices given in the question where the entropy is decreasing. The correct option among all the options that are given in the question is the fourth option or option "D". I hope that this is the answer that has come to your desired help.</span>
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4 years ago
The density of water is 1.0 grams per milliliter. What can you conclude from this simulation about whether an object will
aliina [53]

The density of water is 1.0 grams per milliliter then it will be sink in water

Density is a word we use to describe how much space an object or substance takes up in the volume and in relation to the amount of matter in that object or substance its mass) and another way to put it is that density is the amount of mass per unit of volume

Here given density is 1.0 grams per milliliter and it will be sink in water because the density of water in 1.0 g/ml and this object is more dense than water and the density of an object determines whether it will float or sink in another substance and an object will float if it is less dense than the liquid it is placed in and an object will sink if it is more dense than the liquid it is placed

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4 0
1 year ago
Andrew noticed that the plastic in his chair didnt feel as cold as the metal legs. What statement best explains this observation
qaws [65]

Answer:

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Hi! :) You didn't post the statements, but the answer should be something about conduction. Hope this helps!

7 0
3 years ago
A scientist stores a very large number of particles in a container. In order to determine the number of particles, the scientist
Leni [432]

When the temperature and the volume of the gas stored in the container are high then the number of the moles will be measured accurately. Thus, options A and B are correct.

<h3>What is the ideal gas law?</h3>

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The ideal gas states:

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Therefore, in options A and B high temperature and volume increase the accuracy.

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6 0
2 years ago
Which is the best description of Darwin’s theory of evolution?
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Answer:

hr

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cfy.uhy.lobhyu444444444,.....xres;iiiiiiiiiiiuxoppppuuusxijnnhsxdrcfvtgbyhnuj

5 0
3 years ago
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