3 years ago

When the equal molar amounts of of both the acid and the base were reacts, what happened in the reaction?

1 answer:

3 0

It is going to be reaction of neutralization, and water and salt will be formed. If acid and base are strong, the reaction of the solution should become neutral.

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Balance the equations by inserting coefficients as needed.

ASHA 777 [7]

Answer:

1. CaCO3 + 2HCl → CaCl2 + H2O + CO2

2. C6H12O2 + 8O2 → 6CO2 + 6H2O

Explanation:

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3 years ago

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The pKa of the α‑carboxyl group of serine is 2.21 , and the pKa of its α‑amino group is 9.15 . Calculate the average net charge

sleet_krkn [62]

Answer:

Net charge in serine at pH equal to 8.30 is "0"

Explanation:

At pH > $pK_{a}$ , carboxyl group exists as $-CO_{2}^{-}$ (charged)

At pH < $pK_{a}$ , carboxyl group exists as -COOH (neutral)
At pH > $pK_{a}$ , amino group exists as $-NH_{2}$ (neutral)
At pH < $pK_{a}$ , amino group exists as $-NH_{3}^{+}$ (charged)
So, at pH = 8.30, both carboxyl and amino group exists in charged state.
Net charge in serine at pH equal to 8.30 is "0".
Structure of serine at pH equal to 8.30 has been shown below.

8 0

3 years ago

Someone answer these both for me

Julli [10]

Answer:

a b

Explanation:

I think so take it with a grain of salt

4 0

2 years ago

3 A roller coaster car travels up a hill until it reaches the top, slowly goes over, and speeds down the hill and through the nu

STALIN [3.7K]

Answer:

3rd law

Explanation:

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3 years ago

Which element or elements are unbalanced in this equation?

Stells [14]

Answer:

Only the H is unbalanced.

Explanation:

There are 4 H's and 2 of everything else

7 0

3 years ago

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