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HACTEHA [7]
3 years ago
6

How is a mole like a dozen?

Chemistry
2 answers:
nasty-shy [4]3 years ago
7 0

The mole is a unit for counting 6.02 1023 representative particles.

The dozen is used to count 12 items

12345 [234]3 years ago
3 0

Answer:

Answer in explanation.

Explanation:

The mole is a unit for counting 6.02 1023 representative particles. The dozen is used to count 12 items.

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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.

Best regards!

4 0
3 years ago
Which question could be answered with qualitative data?
WINSTONCH [101]

Answer:

B

Explanation:

Quantitative data refers to numbers while qualitative data refers to characteristics.

5 0
3 years ago
Which of the following reasons best explains why water isn
Sholpan [36]

Answer:

the wax is a nonpolar substance that will not mix with polar water

Explanation:

Water is polar by due to the uneven distribution of charge between the hydrogen and oxygen. T=This automatically eliminates options 3 and 4.

Wax on the other hand is a non polar substance. Due to this non polar characteristic, it would not dissolve in water. The correct option is;

- the wax is a nonpolar substance that will not mix with polar water

3 0
3 years ago
What is one separation process that can be used to separate water from sand in a mixture?
alexandr1967 [171]

Answer:

evaporation?

Explanation:

evaporate the water leaving behind the sand?

3 0
2 years ago
If Lithium and Nitrogen created a bond what would the ratios be?
olga nikolaevna [1]

Answer:

There would be three Lithium atoms per one Nitrogen atom.

3:1

Li3N (Lithium Nitride)

Explanation:

Group 15 elements usually have 5 valence electrons, and every atom wants to have a full valence shell of valence electrons. So, nitrogen can get three electrons from each Lithium atom in order to get a full octet.

5 0
3 years ago
Read 2 more answers
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