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jekas [21]
3 years ago
14

Which part of an of the helium atom is positively charged

Chemistry
1 answer:
olchik [2.2K]3 years ago
6 0
Nucleus because it is made of protons (which means positively charged)
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How does wavelength affect the pitch of a sound?
boyakko [2]

Answer:

D

Explanation:

because the higher the wavelength the shorter the pitch and the shorter the wavelength the higher the pitch

3 0
2 years ago
I need help! It’s 10 point
pogonyaev

Answer:

10^{5}

Explanation:

Each value on the scale represents 10 times the previous value.

Subtract 1 from 6, so 10 to the power of 5 is the difference.

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3 years ago
The process that provides the sun with its energy
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2 years ago
Gaseous butane will react with gaseous oxygen to produce gaseous carbon dioxide and gaseous water . Suppose 4.1 g of butane is m
m_a_m_a [10]

Answer:

12.44 g

Explanation:

2C4H10 + 13O2 = 8CO2 + 10H2O

n(C4H10) = m(C4H10)/M(C4H10) = 4.1 / 58g/mol = 0.0707 mol (excess).

n(O2) = m(O2)/M(O2) = 25.9 / 32g/mol = 0.809 mol (deficiency).

Since the ratio of O2 to octane is 13 : 2 we can divide 0.0707 by 2 to get 0.03535 and divide 0.809 by 13 to get 0.062.

mass of CO2 produced =

M = [0.0707 moles C4H10 x 8 moles CO2] / 2 moles C4H10 x 44 g CO2/mol

M = 0.5656/2 * 44

M = 0.2828 * 44

M = 12.44 of CO2

5 0
2 years ago
Which statement describes an intensive property of matter? <br>​
Pachacha [2.7K]

Answer:

hope it helped you.

Explanation:

The properties of matter that do not depend on the size or quantity of matter in any way are referred to as an intensive property of matter. Temperatures, density, color, melting and boiling point, etc., all are intensive property as they will not change with a change in size or quantity of matter.

5 0
3 years ago
Read 2 more answers
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