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Marysya12 [62]
3 years ago
5

Potassium is a transitional metal? True or false?

Chemistry
1 answer:
Pie3 years ago
3 0

Answer:

False. Potassium is a Group 1 element

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One mole of carbon, sulfur, and aluminum, respectively. Which jar contains the most atoms?
forsale [732]

Answer:

sulphur cuz its weight is 32.065g

Explanation:

this is correct

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3 years ago
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What is the meaning of weight?
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Weight is properly defined as how much gravity acts upon an object.
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2NO (g) + O2 (g) →2NO2 (g) At equilibrium [NO] = 2.4 × 10 -3 M, [O2] = 1.4 × 10 -4 M, and [NO2] = 0.95 M.
azamat

Answer:

K=1.12x10^9

Explanation:

Hello there!

Unfortunately, the question is not given in the question; however, it is possible for us to compute the equilibrium constant as the problem is providing the concentrations at equilibrium. Thus, we first set up the equilibrium expression as products/reactants:

K=\frac{[NO_2]^2}{[NO]^2[O_2]}

Then, we plug in the concentrations at equilibrium to obtain the equilibrium constant as follows:

K=\frac{(0.95)^2}{(0.0024)^2(0.00014)}\\\\K=1.12x10^9

In addition, we can infer this is a reaction that predominantly tends to the product (NO2) as K>>>>1.

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3 years ago
The substance, __________ is always produced when an active metal reacts with water.
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Hydrogen gas (H2) is always produced.
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