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AleksAgata [21]
3 years ago
8

CH4(g)+O2(g)→CO2(g)+H2O(g). What mass of water is produced from the complete combustion of 5.00×10−3 g of methane?

Chemistry
1 answer:
bixtya [17]3 years ago
4 0

Answer:

1gram of water

Explanation:

First balance the equation

Ch4+2O2>CO2+2H2O

Ratio is 1:2

500×10-3what about 2?

500×10-3×2=1g

1g of water

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Answer:

Even small amounts of radiation over a prolonged period of time can be dangerous.

Explanation:

We all get exposed to radiation, such as through x-rays, and it's fine as one off experiences. However, if you're constantly dealing with radiation without any sort of protection, no matter how small the amount is, it could potentially lead to consequences like cancer. This is due to the fact that radiation can alter our genes

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What is the mass of a sample of nitrogen trichloride containing 5,500 molecules?
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7 0
3 years ago
The density of nitric acid (HNO3) is 1.41 g/ml. how many ml are in 20.0g of the nitric acid?
soldi70 [24.7K]

Answer:

14.2

Explanation:

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7 0
3 years ago
The compound magnesium nitrate has the formula Mg(NO3)2.
Ludmilka [50]

Explanation:

Answer

Open in answr app

Correct option is

C

148

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2 atom of N=2x14=28

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4 0
3 years ago
An acid with a H+ molarity of 1x10^-3 M has a PH of?
hichkok12 [17]

Answer:

The answer to your question is pH = 3

Explanation:

Data

[H⁺] = 1 x 10⁻³

pH = ?

pH is a measure of the hydrogen concentration. It measures the acidity or alkalinity. The range of pH goes from 0 to 14. The pH for an acid is from 0 to 6.9, for a neutral solution is 7.0 and for an alkali is from 7.1 to 14.

Formula

             pH = -log [H⁺]

-Substitution

             pH = -log [1 x 10⁻³]

-Simplification

             pH = - (-3)

-Result

             pH = 3

4 0
3 years ago
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