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kipiarov [429]
3 years ago
9

What do you call a small rocky or metallic object that has crashed on the surface of the Earth?

Chemistry
1 answer:
Sedbober [7]3 years ago
3 0
The answer is Meteorite
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What coefficient must be added to the carbon in the reactants to balance the following equation?
Sophie [7]

Answer:

2

Explanation:

There are  3 carbons on the right side

there are only two on the left side....you need one more ...so add one more... change the '1' coefficient in front of C   to  '2'

7 0
2 years ago
HELP ASAP!!! please chemistry sucks
choli [55]
I believe it’s 146.06 g/mol

hope this helps! ^^
6 0
3 years ago
Read 2 more answers
How many grams of Na2SO4, (molar mass =142.0 g/mol) are there in 15 mL of 0.50 m Na2SO4 solution?
ElenaW [278]

Answer:

1.1 g Na2SO4

Explanation:

First convert mL to L. Then multiply by the Molarity to get moles, then multiply by the molar mass to get grams.

15 mL x     1 L       x       0.50 mol Na2SO4     x        142 g        =          1.1 g

              10^3 mL                 1 L                                   mol                     Na2SO4

3 0
3 years ago
A molecule of acetonitrile ch3cn contains ________ sigma bonds and ________ pi bonds.
andre [41]

A molecule of acetonitrile ch3cn contains 5 sigma bonds and 2 pi bonds.

What is acetonitrile?

Acetonitrile is a nitrile which is hydrogen cyanide where the hydrogen (H) is replaced by a methyl group (-CH 3 ). Acetonitrile is a volatile organic compound. it is also called Cyanomethane.

To know more about acetonitrile go to the given link :

brainly.com/question/14900816

3 0
2 years ago
An example of a strong _____ agent important in biochemistry is _____. The redox potential for this molecule is _____. Please ch
valkas [14]

Answer:

Option B - reducing; NADH; negative

explanation:

Nicotinamide adenine dinucleotide, or NADH, is a compound, that's more actively used in the transportation of electron chain. It's evident that produced and make use NADH than FADH2 in the process that brings about energy creation.

NADH carries electrons from one reaction to another. Its Cofactor is in two forms in cells: NAD+ accepts electron from other molecule and hence reduced as an oxidizing agent while NADH is formed by this reaction, which can be used to donate electrons because it's a reducing agent. The main function of NAD is to transfer these reactions.

6 0
3 years ago
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