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3 years ago

Which is a chemical property of soda ash

Chemistry

1 answer:

Vedmedyk [2.9K]3 years ago

7 0

# An alkaline compound

# High melting and boiling point

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A sample of He gas (3.0 L) at 5.6 atm and 25°C was combined with 4.5 L of Ne gas at 3.6 atm and 25°C at constant temperature in

In-s [12.5K]

Answer:

3.6667

Explanation:

For helium gas:

Using Boyle's law

${P_1}\times {V_1}={P_2}\times {V_2}$

Given ,

V₁ = 3.0 L

V₂ = 9.0 L

P₁ = 5.6 atm

P₂ = ?

Using above equation as:

${P_1}\times {V_1}={P_2}\times {V_2}$

${5.6}\times {3.0}={P_2}\times {9.0} atm$

${P_2}=\frac {{5.6}\times {3.0}}{9.0} atm$

${P_1}=1.8667\ atm$

The pressure exerted by the helium gas in 9.0 L flask is 1.8667 atm

For Neon gas:

Using Boyle's law

${P_1}\times {V_1}={P_2}\times {V_2}$

Given ,

V₁ = 4.5 L

V₂ = 9.0 L

P₁ = 3.6 atm

P₂ = ?

Using above equation as:

${P_1}\times {V_1}={P_2}\times {V_2}$

${3.6}\times {4.5}={P_2}\times {9.0} atm$

${P_2}=\frac {{3.6}\times {4.5}}{9.0} atm$

${P_1}=1.8\ atm$

The pressure exerted by the neon gas in 9.0 L flask is 1.8 atm

Thus total pressure = 1.8667 + 1.8 atm = 3.6667 atm.

6 0

3 years ago

How many moles of Oxygen are in 0.52 mol of Ca(NO3)2?

RideAnS [48]

2 moles of NO3 contains 6 moles of O

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3 years ago

When the pressure of a gas is held constant, if temperature increases then

Tatiana [17]

Answer:

Increases I had this question

7 0

3 years ago

Read 2 more answers

I don’t understand this question someone please help

egoroff_w [7]

The answer is 49.97.

3 0

2 years ago

Which of the following represents an ion? a 4he b Na 2+ c Ca d Mg

liubo4ka [24]

Na2+(answer B) represent ions.

<h3>Explanation</h3>

This is because it has a charge of 2+. ion is formed when an atom gain or lose electrons. when an atom lose electrons it form ion which is positively charged . On the other hand when atom gain electrons it forms ion of negatively charged. Na2+ has a charge of 2+ since it loses two electrons.

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3 years ago