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belka [17]
3 years ago
7

Which solution has the greatest buffer capacity? Select the correct answer below: 1 mole of acid and 1 mole of base in a 1.0 L s

olution
Chemistry
1 answer:
Lorico [155]3 years ago
8 0

Answer:

The answer is

Explanation:

1 mole of acid.

Hope this helps....

Have a nice day!!!!

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When the electron from the n=4 excited state drops to the ground state, does it absorb energy or emit energy?
zubka84 [21]

Answer:

It emits energy since to move from a higher energy level to a lower energy level or ground state, it must lose energy.

3 0
2 years ago
When logging is carried out in a watershed, a likely effect on the local streams is.
guapka [62]

Answer: A likely effect on the watershed resulting from logging would be <u>increased water temperature. </u>

Explanation: Not only will the removal of trees from the watershed would result in the decrease of Dissolved Oxygen(DO) in the water, but also increase temperature because the leaves of the trees absorb heat, which indirectly decreases the temperature of the river.

4 0
2 years ago
The density of lead is 11.3 g/cm. What is the mass of a cube of lead with 10.0 cm on each edge? Show work please.​
tresset_1 [31]

Mass of the lead cube :

  • \boxed{ \boxed{11.3 \:  \: kg}}

4 0
3 years ago
In science class, Jake mixed water with differing amounts of an unknown liquid. After mixing the liquids, he heated 20 millilite
Snowcat [4.5K]

Answer:

decrease i had the same question in 8th grade u must be in ninth

Explanation:

ohh im not sure but i think its A

7 0
3 years ago
Mr. Avogadro has 20 grams of radioactive Pa-234. How many atoms of Pa-234 does Mr. Avogadro have? PLEASE HELP WILL MARK BRAINLIE
jolli1 [7]

Answer:

The number of atoms in 20 grams of Pa-234 is 5.14 ×10²² atoms

Explanation:

Given that the molar mass of Pa-234 (protactinium) is 234.04331, we have

The number of moles of protactinium in 20 grams of Pa-234, we have

Number of moles = Mass/(Molar mass) = 20/234.04331 = 0.0855 moles

One mole of Pa-234 contains 6.02×10²³ atoms, therefore, we have;

0.0855 moles of Pa-234 contains 0.0855× 6.02×10²³  = 5.14 ×10²² atoms

Therefore, the number of atoms in 20 grams of Pa-234 = 5.14 ×10²² atoms.

6 0
3 years ago
Read 2 more answers
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