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3 years ago

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The law of mass action suggests that _____.

1 answer:

mina [271]3 years ago

7 0

<span>The law of conservation of mass states that a mass of an object or the amount of matter composed inside an object or thing will not change unless it is added or removed of the matter that is contained in the object itself.

This means that for example, when you're bag has a mass of a 1kg, and you filled it with clothes it will jump its mass from 1kg to possibly 5kg, hypothetically. Thus, withoout the object or clothes that was added the weight of the bad wouldn't change and vice-versa.
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There is a series of nitrogen oxides with the general formula N?O?. What is the empirical formula of one that contains 30.45% ni

lions [1.4K]

Answer: The empirical formula of one that contains 30.45% nitrogen is $NO_{2}$ .

Explanation:

Given: Mass of nitrogen = 30.45 g

Let us assume that the mass of given oxide is 100 grams.

As the atomic mass of nitrogen is 14.0067 g. So, moles of nitrogen will be calculated as follows.

$Moles = \frac{mass}{molarmass}\\= \frac{30.45 g}{14.0067 g/mol}\\= 2.17 mol$

Also, mass of oxygen = (100 - 30.45) g = 69.55 g

Atomic mass of oxygen is 15.9994 g/mol. So, moles of oxygen will be as follows.

$Moles = \frac{mass}{molarmass}\\= \frac{69.55 g}{15.9994 g/mol}\\= 4.34 mol$

The ratio of both the atoms is as follows.

$\frac{4.34}{2.17} = 2$

This means that gas has 2 moles of oxygen to 1 mole of nitrogen. Hence, the formula of oxide is $NO_{2}$ .

Thus, we can conclude that the empirical formula of one that contains 30.45% nitrogen is $NO_{2}$ .

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2 years ago

One of the most recognizable corrosion reactions is the rusting of iron. rust is caused by iron reacting with oxygen gas in the

zloy xaker [14]

Answer: $Fe(s) + 6H_2O(l) + 3O_2(g) -> 4Fe(OH)_3(s)$

Explanation:

The Chemical equation for the formation of rust is:

Iron + Water + Oxygen ----> Rust

4 Fe(s) + 6 H2O(l) + 3 O2(g) → 4 Fe(OH)3(s)

The Iron Hydroxide However dehydrates to produce Fe2O3 * nH2O

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Karo-lina-s [1.5K]

I’d have to say C. battery.

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1 year ago

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cupoosta [38]

Answer:

my answer is num:3 Hydrogen and oxygen.

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2 years ago

Is there a relationship between the shape and polarity of the molecule

rewona [7]

Answer:hi

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2 years ago

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