How do the properties of elements change as you move across a period

Chemistry

1 answer:

denpristay [2]3 years ago

3 0

The number of shells increase, the energy level their outer shell have decreases as we go down wards,

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How can you tell whether a fat contains primarily saturated or unsaturated fatty acids?

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mixture of N 2 And H2 Gases weighs 13.22 g and occupies a volume of 24.62 L at 300 K and 1.00 atm.Calculate the mass percent of

anygoal [31]

Answer: The mass percent of nitrogen gas and hydrogen gas is 91.41 % and 8.59 % respectively.

Explanation:

To calculate the number of moles, we use the equation given by ideal gas equation:

PV = nRT

where,

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V = Volume of the gaseous mixture = 24.62 L

n = number of moles of the gaseous mixture = ?