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kvv77 [185]
3 years ago
9

By making your decision, did you support the opinions of the mayor and/or the dam safety official? why or why not?

Chemistry
1 answer:
Nady [450]3 years ago
6 0
An earthquake is a catastrophic<span> event that results from a gradual accumulation of stresses at fault lines. Clearly </span>catastrophism<span> is at work.</span>
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A blank is a substance that is made by combining two substances
Simora [160]
Do you mean; " A blank is a substance that is made by combining two elements?" (I'm not sure if substances is the right term)

If so then the blank is a compound. 
7 0
3 years ago
Which of the following gas samples would contain the same amount of gas as 200 mL of helium, He(g), at 25° C and 1 atm?
monitta

Answer:

200\; \rm mL of neon \rm Ne\, (g) at 25^{\circ} \rm C and 1\; \rm atm (the second choice) would contain an equal number of gas particles as 200\; \rm mL\! of \rm He \, (g) at 25^{\circ} \rm C\! and 1\; \rm atm\! (assuming that all four gas samples behave like ideal gases.)

Explanation:

By Avogadro's Law, if the temperature and pressure of two ideal gases is the same, the number of gas particles in each gas would be proportional to the volume of that gas.

All four gas samples in this question share the same temperature and pressure. Hence, if all these gases are ideal gases, the number of gas particles in each sample would be proportional to the volume of that sample. Two of these samples would contain the same number of gas particles if and only if the volume of the two samples is equal to one another.

The second choice, 200\; \rm mL of neon \rm Ne\, (g) at 25^{\circ} \rm C and 1\; \rm atm, is the only choice where the volume of the sample is also 200\; \rm mL \!. Hence, that choice would be the only one with as many gas particles as 200\; \rm mL\! of \rm He \, (g) at 25^{\circ} \rm C\! and 1\; \rm atm\!.

7 0
2 years ago
Write a balanced nuclear equation for the β emission of the following isotopes
andrezito [222]

The balanced nuclear equation for the β emission of the following isotopes is seen below:

92                 92                0

Sr            ⇒ Y         +   e

38                  39             -1

<h3>What is Beta emission?</h3>

This is also known as beta decay in which a beta ray is emitted from an atomic nucleus.

The element formed during the beta emission of strontium is referred to as Yttrium.

Read more about Beta emission here brainly.com/question/16334873

#SPJ1

6 0
1 year ago
A substance is tested and has a pH of 7.0. How would you classify it?
Alexandra [31]

Answer:

C

Explanation:

The substance would be classified as neutral, so C.

5 0
2 years ago
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A(n) ____________________ is a compound that turns litmus blue and is often found in soaps and detergents.
ehidna [41]
B. base
_______________________________________________________________
8 0
3 years ago
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