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olga55 [171]
3 years ago
5

Can someone answer this

Chemistry
1 answer:
Yuliya22 [10]3 years ago
8 0
The correct answer is B 25
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I really need help, I don’t know what to do on this
Shtirlitz [24]

Answer:

A: dependent variable

B: experimental group

C: independent variable

D: control variables

E: control group

Explanation:

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Which part of the atom has to stay the same for it to be the same element? number of neutrons
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What does anhydrous mean in your own words?
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Answer: no water

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The equilibrium constant for the reaction 2NO2(g) N2O4(g) is Keq = . If a sample at equilibrium was found to contain 0.058 M NO2
Sladkaya [172]

Answer:

\boxed{3.6}

Explanation:

                  2NO₂ ⇌ N₂O₄

E/mol·L⁻¹:   0.058     0.012

K_{\text{eq}} = \dfrac{\text{[N$_{2}$O$_{4}$]}}{\text{[NO$_{2}$]$^{2}$}} = \dfrac{0.012}{0.058^{2}} = \mathbf{3.6} \\\\

\text{The $K_{\text{eq}}$ value would be $\boxed{\mathbf{3.6}}$}

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Which of the following elements does NOT need to be diatomic to exist in nature?
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Answer: C. Carbon

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