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Gnesinka [82]
3 years ago
10

When a heavy atom is split in a fission reaction, the daughter nuclei that form have higher binding energies than the parent nuc

leus.
TRUE

FALSE
Chemistry
2 answers:
AlladinOne [14]3 years ago
7 0
True because the parents have less energy now
Anastasy [175]3 years ago
4 0
True
Hope i helpeeeeeeeed
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Simple Chemistry Question - 5 points
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Suppose the mass of a jelly bean is less than the mass of a gum drop.
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Since it is given that the mass of a jelly bean is less than the mass of a gum drop.

So, when we counted out 10 of each kind of candy and measured the mass of each kind of candy, the mass of the jellybeans would be less than the mass of the gumdrops.

This is because mass of jelly bean is less and even if we take take or more jelly beans then also their total mass will remain less than the total mass of same number of gum drops

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A certain substance has a heat of vaporization of 70.83 kJ / mol. 70.83 kJ/mol. At what Kelvin temperature will the vapor pressu
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Answer:

The answer to the question is

The temperature at which the vapor pressure will be 5.00 times higher than it was at 331 K is 353.0797 K.

Explanation:

To solve the question, we make use of the Clausius-Clapeyron equation as follows

ln(\frac{P_2}{P_1}) = \frac{d_{vap}H}{R} (\frac{1}{T_1} -\frac{1}{T_2} )

Where P₁ = Initial pressure

P₂ = Final pressure

T₁ = Initial temperature = 331 K

T₂ = Final temperature

dvapH = ΔvapH = Heat of vaporization = 70.83 kJ / mol.

R = Universal gas constant = 8.3145. J K⁻¹ mol⁻¹

We are required to find the temperature when P₂ = 5 × P₁

Therefore we have

ln(\frac{5*P_1}{P_1}) = \frac{70.83}{8.3145} (\frac{1}{331} -\frac{1}{T_2} ) = ln(5) = 8518.853 (\frac{1}{331} -\frac{1}{T_2} ) or T₂ = \frac{1}{\frac{1}{331} -\frac{ln(5)}{8518.853} } = 353.0797 K

The vapor pressure be 5.00 times higher than it was at 331 K when the temperature is raised to 353.0797 K.

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4 years ago
The atom of element has 25 electrons and 30 neutrons write down its atomic number and mass number.​
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Answer:

Atomic number = 25 protons

Mass number = ( 25 + 30 ) = 55

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