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hammer [34]
3 years ago
12

There is a theory that gravity could pull galaxies back together, causing a reverse big bang.

Chemistry
2 answers:
Mrrafil [7]3 years ago
8 0

C. the expansion of the universe is accelerating

Alex787 [66]3 years ago
8 0

Answer:

C

Explanation:

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A compound has the molecular formula C3H7OH. Which class of organic compounds does it belong to?
coldgirl [10]

Hi

Please find attached file with answers.

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8 0
4 years ago
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How many grams of KCl are produced?
ZanzabumX [31]

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= 74.4 grams / mole. Ernest Z. The reaction will produce 15.3 g of KCl

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4 0
2 years ago
In the laboratory you dilute 5.32 mL of a concentrated 6.00 M perchloric acid solution to a total volume of 100 mL. What is the
8_murik_8 [283]

Answer:

0.3192 M

Explanation:

From the question given above, the following data were obtained:

Volume of stock solution (V1) = 5.32 mL Molarity of stock solution (M1) = 6 M

Volume of diluted solution (V2) = 100 mL

Molarity of diluted solution (M2) =?

We can obtain the molarity of the diluted solution by using the dilution formula as shown follow:

M1V1 = M2V2

6 × 5.32 = M2 ×100

31.92 = M2 × 100

Divide both side by 100

M2 = 31.92 / 100

M2 = 0.3192 M

Therefore, the molarity of the diluted solution is 0.3192 M.

7 0
3 years ago
Which of the following are responsible for surface currents a. the wind and density
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B-wind and the earth's rotation
7 0
3 years ago
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HNO3 + KOH + H2O + KNO3<br><br> ACID:<br> BASE:<br> SALT:
SSSSS [86.1K]

Explanation:

acid, HNO3

base, KOH

salt ,KNO3

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