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kirill115 [55]
4 years ago
10

Which information must be known about a compound to find the

Chemistry
1 answer:
Alexandra [31]4 years ago
5 0

Answer: the relative molecular mass of the compound

Explanation:

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4. The compound iron sulfide can be formed by
alexgriva [62]

Answer:

When iron sulfide is exposed to oxygen it reacts rapidly, releasing large amounts of heat.

Explanation:

i took this from my notes- so whatever aligns with that. sorry if this didnt help but i think its genuinely c heating

5 0
3 years ago
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If you want to prepare 2.00 L of a 0.800 M NaNO_3 solution from a NaNO_3 stock solution that is 1.5 M in concentration, how many
Leya [2.2K]

1066.7 ml of the stock solution must start with, preparing 2.00 L of a 0.800 M NaNO3 solution.

<h3>What is volume?</h3>

Volume is the space occupied by a three-dimensional object.

By the formula \rm M_1V_1= M_2V_2

M1 is the initial molarity, 1.5 M

M2 is the final molarity, 0.800 M

V1 is the initial volume

V2 is the final volume, 2.00 L

Putting the values in the equation

\rm 1.5\;M \times V_1= 0.800\;M \times 2.00\;L\\\\V_1 = \dfrac{ 0.800\;M \times 2.00\;L}{1.5\;M} = 1066.7\;ml

Thus, the initial volume is 1066.7 ml

Learn more about volume

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3 0
3 years ago
The mass of each WtWt isotope is measured relative to C−12C−12 and tabulated below. Use the mass of C−12C−12 to convert each of
Nadya [2.5K]

The question is incomplete , the complete question is;

The mass of each Wt isotope is measured relative to C-12 and tabulated below. Use the mass of C-12 to convert each of the masses to amu and calculate the atomic mass of Wt.

Wt-296  =  24.6622

Answer:

The atomic mass of Wt-296 is 195.9464 amu.

Explanation:

1 amu is defined as 1 by twelfth of the carbon-12 mass.

Mass of an isotope Wt-296 = 24.6622

Mass of an isotope Wt-296 in amu = M

M\times \frac{1}{12 amu}=24.6622

M=24.6622\times 12 amu=295.9464 amu

The atomic mass of Wt-296 is 195.9464 amu.

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3 years ago
Where does the greenhouse effect occur?
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Answer:

the greenhouse effect occurs in the earths atmosphere

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3 years ago
Plsss answer my question that's on my profile pls​
WINSTONCH [101]

Answer:

Please check again, there is no file attached

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3 years ago
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