3 years ago

What number should be in front of O2 to balance the equation?

1 answer:

6 0

Answer:

There are now two oxygen atoms on the left and four on the right (in one N2O and three H2O's), so we balance the oxygen atoms by placing a 2 in front of the O2.

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What sequence of DNA bases bond with the DNA base sequence ATGT

Paha777 [63]

Answer:

DNA bases bonds with each other in this sequence

Explanation:

Guanine bonds triple bonds with cytosine respectively while Adenine bonds double bond with thymine .

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In the game of economics, goods are objects that fulfill peoples needs and ____.

Evgen [1.6K]

Goods are objects that fulfill peoples needs and wants.

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Sodium is much more apt to exist as a cation than is chlorine. this is because __________. sodium is much more apt to exist as a

den301095 [7]

<span>Answer: Correct answers are- Electron affinity decreases; Cl has 7 valence electrons but Na has only 1. So Na is going to lose its e, Cl is going to gain an e.</span>

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3 years ago

Match these items.

notka56 [123]

Litmus is an indicator
Charged particles are ions
Acids contain H+ ions
Bases contain OH - ions
Hydronium ions are H3O+

Now, I have to take issue with the last one
A base of pH 14 is not a strong base, it would be a highly concentrated base. A strong base is a base that completely deionizes in water.

But technically, for the purpose of your answer strong base = pH 14

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3 years ago

The specific heat of aluminum is s 9.00 J/g C how much energy is needed to raise the temperature of 20.0 g block of aluminum fro

Nimfa-mama [501]

E=MC(delta)T
=20.0g x 9.00J/g x (94.4-22.8) C
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3 years ago