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MariettaO [177]
3 years ago
9

A 613 ml sample of hydrogen gas at 968 torr is held at a constant temperature while it is compressed to 157 ml. what is the new

pressure in atm?
Chemistry
1 answer:
NARA [144]3 years ago
7 0
<span>4.97 atm for anyone else stuck on this question

</span>
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Harriet has an itch in her throat, and she begins to cough. she reaches for a cup of water to drink. which action is carried out
Nikitich [7]
when she reaches for the cup that is somatic nervous system. when she begins to cough
8 0
3 years ago
The density of mercury is 13.6 g/mL what is the density in lbs/L ( 1 lb hint =0.454 kg )
Vesna [10]

Answer:

30.0\frac{lb}{L}

Explanation:

Hello,

In this case, since 454 g are equivalent to 1 pound and 1000 millilitres are equivalent to 1 liter, the required density is computed below by applying the corresponding conversion factor:

=13.6\frac{g}{mL} *\frac{1lb}{454g} *\frac{1000mL}{1L} \\\\=30.0\frac{lb}{L}

Regards.

6 0
4 years ago
Sara has a red jacket. Which of the following models shows how Sara's jacket reflects and/or absorbs light?
just olya [345]
I think it’s C. , C. Should be right because the red jacket is absorbing the light
7 0
4 years ago
Read 2 more answers
The product of the nuclear reaction in which 40Ar is subjected to neutron capture followed by alpha emission is ________. The pr
Orlov [11]

Answer:

37S

Explanation:

Radioactivity is the spontaneous emission of particles and / or electromagnetic radiation by unstable atomic nuclei leading to their disintegration.

We have two main types of radioactivity: radioactive decay and artificial transmutation.

In radioactive decay ( natural radioactivity ), a naturally occurring radioactive element like Uranium-238 disintegrates or decays into more stable isotopes with the emission of particles and/or radiation.

23892U = 23490Th + 42He

Artificial transmutation is the collision of two particles where one particle captures the other used to bombard it. There is subsequent production of isotopes similar or different from the bombarded particle. Neutrons, alpha particles ( helium nucleus ), electrons, protons can be used to bombard elements.

147N + 42He = 178O + 11P

For the above question which is artificial transmutation, the reaction equation is

4018Ar + 10n = 3716S + 42He

So, the neutron capture by Argon-40 will produce a radioisotope Sulphur-37 with the emission of an alpha particle.

5 0
3 years ago
In a chemical reaction, it is determined that the equilibrium constant is 0.213. Which of the following is a correct statement r
trapecia [35]
Answer: <span>There are more reactants than products at equilibrium.

Explanation:

</span>1) The equilibrium constant is defined as the ratio of the constant of reaction for the forward reaction divided by the constant of reaction for the reverse reaction.

2) If the constant of reacton for the forward reaction is greater than the constant of reaction for the reverse reaction, then the equilbrium constant is greater than 1 and the equilibrium is reached at a point where there are more products than reactants.

This is not the case given that the equilibrium constant is less than 1.

3) If the constant of reaction for the forward reaction is less than the constant of reaction for the reverse reaction, then the equilibrium constant is less than 1 and at equilibrium there will be more reactants than products.


This is the case given, since the equilibrium constant is 0.123.

Therefore, the answer is: there are more reactants than products at equilibrium.

6 0
4 years ago
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