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Thepotemich [5.8K]
4 years ago
15

Describe the nucleus of the atom. Include a description of its size relative to the rest of the atom.

Chemistry
1 answer:
N76 [4]4 years ago
4 0

Answer:

The nucleus of an atom is made up of positively charged protons and neutrally charged neutrons. The nucleus determines which element an atom is, based on the number of protons. For example, only Oxygen has 8 protons, Carbon has 6 protons, etc. The nucleus is about 1/100,000 of the size if the whole atom.

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Question 1
OLga [1]

Answer: 7 atm

Explanation:

According to Dalton's Law, the total pressure is the sum of all the individual gas pressures

Hence, Ptotal = P1 + P2 + P3

Since, Gas A = 2 atm

Gas B = 1 atm

Gas B = 4 atm

Ptotal = (2 + 1 + 4) atm

Ptotal= 7 atm

Thus, the total pressure of the gas mixture is 7 atmosphere.

3 0
3 years ago
Help ASAP Please!!! What is Function chloroplast
tiny-mole [99]

Answer:

In particular, organelles called chloroplasts allow plants to capture the energy of the Sun in energy-rich molecules; cell walls allow plants to have rigid structures as varied as wood trunks and supple leaves; and vacuoles allow plant cells to change size.

Explanation:

7 0
4 years ago
How is the life cycle of a star similar to that of a human?
Arturiano [62]

Answer: They both have stages where they are born and die which is in the main sequence and supernova and in a human they are born in a womb and die of old age.

Explanation:

6 0
2 years ago
Read 2 more answers
16. Why do the atoms of H, O, N, F, CI, I, and Br have tendencies to bond with themselves?
Natasha2012 [34]
Because they are elements
6 0
3 years ago
blast furnaces give off many unpleasant and unhealthy gases. If the total air pressure is .99 ATM the partial pressure of carbon
kolbaska11 [484]

Answer:

P_{air}=1.02atm

Explanation:

Hello!

In this case, since the Dalton's law help us to realize that the total pressure of a gas mixture is computed by adding the partial pressure of each composing gas, for the mixture formed by carbon dioxide, oxygen sulfide (should be hydrogen sulfide instead) and air, we can write:

P=P_{CO_2}+P_{H_2S}+P_{air}

Thus, given the total pressure and the partial pressures of both carbon dioxide and hydrogen sulfide, the partial pressure of the remaining air would be:

P_{air}=P_{T}-P_{H_2S}-P_{CO_2}

Therefore, we plug in to obtain:

P_{air}=0.99atm-0.05atm-0.02atm\\\\P_{air}=1.02atm

Best regards!

6 0
3 years ago
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