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maksim [4K]
3 years ago
10

What principal quantum number refers to:

Chemistry
1 answer:
docker41 [41]3 years ago
4 0
The principle quantum number "n" represents the relative overall energy of each orbital, and the energy of each orbital increases as the distance from the nucleus increases. The sets of orbitals with the same "n" value are often referred to as electron shells or energy levels. 
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in a titration a 25.0 ml of 0.500 m khp is titrated to the equivalence point NaOH. The final solution volume is 35.5 mL. what is
borishaifa [10]
M2= 0.35M

Formula: M1 • V1 = M2 • V2

1) 25.0mL • .500M = 35.5mL • (x)

2) 12.5 = 35.5 • (x)

3) 12.5/35.5 = x

4) 0.35211 = x = M2

Hope this helps!
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3 years ago
According to the Periodic Table of Elements, Calcium has:
lana [24]

Answer:

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Explanation:

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3 years ago
an iron weighing 50 grams absorbs 256.0 J of heat and warms by 11.4C What is the specific heat of the iron can
Arturiano [62]

The specific heat of the iron can is determined as 0.449 J/g⁰C.

<h3>Specific heat of the iron can</h3>

The specific heat of the iron can is calculated as follows;

Q = mcΔθ

c = Q/mΔθ

where;

  • Q is quantity of heat
  • Δθ is change in temperature
  • m is mass

c = 256/(50 x 11.4)

c = 0.449 J/g⁰C

Thus, the specific heat of the iron can is determined as 0.449 J/g⁰C.

Learn more about specific heat here: brainly.com/question/16559442

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4 0
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Which of the following is an example of a buffer?
Aleonysh [2.5K]

It's Hemoglobin- i just took test


3 0
4 years ago
Period 6, group 12 (2B)
maksim [4K]

Answer:

mercury or Hg

Explanation:

i looked at the periodic table haha

hope this helps and is right <3

6 0
4 years ago
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