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blondinia [14]
3 years ago
12

An element occurs naturally as a gas. It is also characterized by a very

Chemistry
1 answer:
Delvig [45]3 years ago
8 0
I believe it would be c

Please brainiest
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PLEASE PLEASE BRAINLIEST HELP ME PLEASE SOMEONE VARY SMART PLEASE SOMEONE THAT IS ACE PLEASE OR AN EXPERT OR SOMEONE FROME THE L
ValentinkaMS [17]

Answer:

1: A

2: C

3: D

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5: B

Explanation:

4 0
3 years ago
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Calculate the [oh] for 0.46 Hcl
Bad White [126]

Answer:

2.17 e -14

Explanation:

A strong acid like HCl ionize 100 % in water so [H3O+] = 0.46 M

[OH-] = Kw /  [H3O+]

        =  1.0 e -14 / 0.46

         = 2.17 e -14

3 0
3 years ago
EARTH SCIENCE: PLEASE HELP ME !!! Which tools do astronomers use to determine the effects of collisions between galaxies? Select
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In studying effects of collisions between galaxies, astronomers usually make use of space telescopes.

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6 0
2 years ago
Help me with 6 plzzz is it a b c or d??
Lelu [443]
The answer is C, good luck mate
3 0
3 years ago
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The first question is "how many moles of carbon monoxide (co) are required to react completely with 1.75 moles of iron (iii) oxi
Stells [14]

According to your equation, for every mole of iron oxide (Fe2O3), it takes 3 moles of carbon monoxide (CO). So for 1.75 moles, it takes 3 times as many moles of CO.

1.75 x 3 = 5.25 moles of CO.

I think your product is CO2. Dalton's Law sayeth that the coefficients tell us the ratios of moles. So if you hve 1.75 moles of Fe(III)oxide, 3*1.75 moles of CO are needed (in theory) to react completely. The answer is requested in moles, so you need go no further.

6 0
3 years ago
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