3 years ago

How is a gas affected when pressure temperature or volume change

1 answer:

5 0

Answer:

The volume of a given gas sample is directly proportional to its absolute temperature at constant pressure (Charles's law). The volume of a given amount of gas is inversely proportional to its pressure when temperature is held constant (Boyle's law).

Explanation:

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What are the characteristics of Phosphate at room temperature?

crimeas [40]

Answer: Phosphate is colorless , soft, waxy solid that glows in the dark when at room temperature.

Explanation:

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3 years ago

How much heat is absorbed/released when 20.00 g of NH3(g) reacts in the presence of excess O2 (g) to produce NO (g) and H2O (l)

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Answer:

a. 342.9 kJ of heat are absorbed.

Explanation:

Calculation of the moles of $NH_3$ as:-

Mass = 20.00 g

Molar mass of $NH_3$ = 17.031 g/mol

The formula for the calculation of moles is shown below:

$moles = \frac{Mass\ taken}{Molar\ mass}$

Thus,

$Moles= \frac{20.00\ g}{17.031\ g/mol}$

$Moles= 1.1743\ mol$

Given that:- $\Delta H=+1168\ kJ$

It means that 1 mole of $NH_3$ undergoes reaction and absorbs 1168\ kJ of heat

So,

1168 mole of $NH_3$ undergoes reaction and absorbs $1168\times 1168\ kJ$ of heat

Amount of heat absorbed = + 342.9 KJ

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3 years ago

13.00 g of hydrazine reacts with

babymother [125]

Hydrazine is a mixed chemical...look up what is in Hydrazine. Then find the chemicals in it. 13.00g of hydrazine can react to anything....water, gas, etc. but it might not be visible.

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3 years ago

Which ion has the largest radius? A. Se ^2- B. o ^2- C. Te^2- D.S^2-

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B) O^2-
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2 years ago

Study the animal and plant cell above. Select the features that you find in BOTH types of cells

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