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4 years ago

11

74. Is the charge of a nucleus positive, negative, or zero? The charge of an atom? J

1 answer:

tia_tia [17]4 years ago

7 0

The charge of a nucleus is neutral, meaning it’s zero

the positive charges of an atom equal the negative charges so the atom has a neutral charge

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The water cycle is one interaction between the geosphere and the cryosphere.

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4 years ago

Calculate the specific heat of a substance if a 35g sample absorbs 48 j as the temperature is raised from 293 k to 313 k

bulgar [2K]

Answer:

c = 0.07 j/g.k

Explanation:

Given data:

Mass of sample = 35 g

Heat absorbed = 48 j

Initial temperature = 293 K

Final temperature = 313 K

Specific heat of substance = ?

Solution:

Specific heat capacity:

It is the amount of heat required to raise the temperature of one gram of substance by one degree.

Formula:

Q = m.c. ΔT

Q = amount of heat absorbed or released

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ΔT = 20 k

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48 j = 700 g.k ×c

c = 48 j/700 g.k

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3 years ago

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What is the volume of 1g of ice in cm3?

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