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4 years ago

Stoichiometry is related to what law?

1 answer:

8 0

<span>Stoichiometry is related to the law of conservation.

</span><span>Hope that helps! ★ If you have further questions about this question or need more help, feel free to comment below or leave me a PM. -UnicornFudge aka Nadia</span>

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To find the density of an object you would use a graduated cylinder to find what characteristic of the object?

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The answer for this is B

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3 years ago

1. A chemical equation representing a physical change is

Marysya12 [62]

Answer:first one is chemical change and the second one is chemical reaction that sh be right.

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4 years ago

You find a compound composed only of element X and chlorine and you know that the compound is 13.10% X by mass. Each molecule of

8_murik_8 [283]

Answer:

Explanation:

So, the formula for the compound should be:

$XCl_{6}$

Now we assume that we have 1 mol of substance, so we can make calculations to know the molar mass of element X, as follows:

$M_{Cl}=35.45g/mol\\$

So we have that 6 moles weight 212.7g, and we can make a rule of three to know the weight of compound X:

$212.7g\rightarrow 86.9\%\\x\rightarrow 13.1\%\\\\x=\frac{212.7g*13.1}{86.9} =32.06g$

As we used 1 mol, we know that the molar mass is 32.06g/mol

So the element has a molar mass of 32.06 g/mol and an oxidation state of +6, with this information, we can assure that the element X is sulfur, so the compound is $SCl_{6}$

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3 years ago

In your own words please

Marat540 [252]

Answer:

Sl reproduction occurs when living organisms combine genetic information from two different types.

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2 years ago

Where are cardiac muscles used? Are they voluntary?

Ghella [55]

Answer:

Heart

Not voluntary.

Explanation:

The heart is made up of special muscle called the cardiac muscle that contains interconnected muscle fibres which are supplied with blood through the coronary artery. Also so that the waves of contraction can travel throughout the mass of the muscle.

6 0

3 years ago

Read 2 more answers