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Doss [256]
3 years ago
14

HELP!! 50 POINTS! PLEASE ANSWER AND EXPLAIN WHY:

Chemistry
1 answer:
Vikki [24]3 years ago
8 0

Answer:

The correct set of measurement is D

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Which of the following is a diatomic molecule? <br> a. ca2- <br> b. n2 <br> c. kcl <br> d. mgcl2
ipn [44]
N2 is a diatomic molecule as it is composed of 2 atoms of the same element, covalently bonded to each other in this case Nitrogen.
8 0
2 years ago
What is the correct noble gas configuration for sr?
Mariana [72]

Sr has an atomic number of 38 so we'll start there.

The closest noble gas is Kr with an atomic number of 36 so it'll look like this:

[Kr]5s^2.

3 0
3 years ago
Never mind i got it hahahaha
pshichka [43]

Answer:

Congrats I am so happy for you! You rock it!

5 0
3 years ago
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Tell whether the statement is TRUE or FALSE. Air pressure is gravity pulling down on air molecules.
nirvana33 [79]
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Pressure is the force per unit area on an object. The force in the case of air pressure is the weight of the air molecules; therefore, the air pressure is essentially due to gravity pulling down air molecules.
8 0
2 years ago
B. The equilibrium constant for the reaction 2H2(g) + S2(g) 2H2S(g) is Keq = . (3 points)
eimsori [14]

Answer:

i. Keq=4157.99.

ii. More hydrogen sulfide will be produced.

Explanation:

Hello,

i. In this case, for the concentrations at equilibrium on the given chemical reaction, the equilibrium constant results:

Keq=\frac{[H_2S]^2}{[H_2]^2[S_2]} =\frac{(0.97M)^2}{(0.051M)^2(0.087)} =4157.99

ii. Now, by means of the Le Chatelier's principle, the addition of a reactant shifts the reaction towards products, it means that more hydrogen sulfide will be produced in order to reach equilibrium.

Best regards.

4 0
3 years ago
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