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telo118 [61]
3 years ago
8

How do I convert 125000g to scientific notation?

Chemistry
1 answer:
lakkis [162]3 years ago
4 0
1.25000 multiply by 10^5
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An atom has atomic number 5 and mass number 11. How many protons does the atom have? 5 6 10 11
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Answer:

6 neutrons. The mass number is the number of protons and neutrons in the nucleus of an atom. The atomic number shows how many protons. Subract the atomic number from the mass number to find the number of neutrons.

Explanation:

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40. What is the mass of 3 moles of H 2 O
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Answer:

54g

Explanation:

Given parameters:

Number of moles of H₂O  = 3 moles

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mass of water  = ?

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To solve this problem, we use the expression below:

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3 years ago
If a liquid has a Ph of 3 what is it​
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Lower than 7 is acid greater than 7 is a base
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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
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