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Simora [160]
2 years ago
15

Dalton law states that the partial pressure of a gas in a mixture of gases is _____ to the total pressure of the mixture.

Chemistry
1 answer:
OLEGan [10]2 years ago
4 0

Answer:

Dalton law states that the partial pressure of a gas in a mixture of gases is equal to the total pressure of the mixture.

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As the atomic number increases, the number of _ _, too.
Morgarella [4.7K]

Answer:

Protons

Explanation:

The atomic number represents the number of protons. Therefore, as the atomic number increases, the number of protons does too.

I hope this helps! :)

8 0
2 years ago
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Analysis of skunk spray yields a molecule with 44.77% c, 7.46% h and 47.76% s by mass. what is the empirical formula for this mo
stiv31 [10]
Suppose we have 100 gr of the substance. Then by weight, it would contain 44.77 gr of C, 7.46 gr of H and 47.76 gr of S. We need to look up the atomic weights of these atoms; M_H=1, M_C=12, M_S=32. The following formula holds (where n are the moles of the substance, M its molecular mass and m its mass): n=m/M. Substituting the known quantities for each element, we get that the substance has 3.73 moles of C, 7.46 moles of H and 1.49 moles of S. In the empirical formula for the molecule, all atoms appear an integer amout of times. Hence, for every mole of Sulfur, we have 2.5 moles of C and 5 moles of H (by taking the moles ratios). Thus, for every 2 moles of sulfur, we have 5 moles of C and 10 moles of H. Now that all the coefficients are integer, we have arrived at an empirical formula for the skunk spray agent: C_5H_{10}S_2
4 0
3 years ago
What color is a mirror?
svp [43]

Depending what’s in front of a mirror

8 0
3 years ago
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A solution of hydrocloric acid has a molarity of 2.25 M HCl. If a reaction requires 5.80 g of HCI, what
Natali [406]

Answer:

0.071L

Explanation:

From the question given, we obtained the following data:

Molarity of HCl = 2.25 M

Mass of HCl = 5.80g

Molar Mass of HCl = 36.45g/mol

Number of mole of HCl =?

Number of mole = Mass /Molar Mass

Number of mole of HCl = 5.8/36.45 = 0.159mole

Now, we can obtain the volume required as follows:

Molarity = mole /Volume

Volume = mole /Molarity

Volume = 0.159mole/ 2.25

Volume = 0.071L

4 0
3 years ago
There are many ways that you can tell whether a chemical change has occurred. Which of the following is NOT a sign of chemical c
Vesnalui [34]

Answer:

liquid bolling

Explanation:

because it just using heat.

7 0
3 years ago
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