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Virty [35]
3 years ago
15

Given the balanced equation: Pb(NO₃)₂(aq) + 2NaCl(aq) ➔ PbCl₂(s) + 2NaNO₃(aq). What type of reaction is represented by this equa

tion
Chemistry
1 answer:
Lilit [14]3 years ago
5 0

Answer: The given reaction is a double displacement reaction.

Explanation:

A chemical reaction in which two different compounds chemically react with each other by switching places of both positive and negative ions is known as a double displacement reaction.

For example, Pb(NO_3)_2(aq) + 2NaCl(aq) \rightarrow PbCl_2(s) + 2NaNO_3(aq)

Here, both Pb^{2+} and Na^{+} ions switched places. Also, both (NO_3)^{-}_{2} and Cl^{-} ions switched places.

Therefore, we can conclude that the given reaction is a double displacement reaction.

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Part 1. determine the molar mass of a 0.314-gram sample of gas having a volume of 1.6 l at 287 k and 0.92 atm. show your work.
docker41 [41]

The molar mass of a 0.314-gram sample of gas having a volume of 1.6 l at 287 k and 0.92 atm. is 5.23 gram.

<h3>What is an Ideal Gas ?</h3>

An Ideal Gas is a law for ideal gas which states that the product of Pressure and Volume is equal to the product of the moles of sample, universal gas constant and temperature.

PV = nRT

The given data in the question is

Pressure = 0.92 atm

Volume = 1.6 l

Temperature = 287 K

0.92 * 1.6 = n * 287 * 0.082

n = 0.06 moles

0.06 = 0.314 / molecular weight

molecular weight = 0.314/0.06

Molecular weight = 5.23 gm

Molar mass = 5.23 gm.

The  temperature and pressure conditions at which the gas behaves like an ideal gas is 273 K and 1 atm.

To know more about Ideal Gas

brainly.com/question/8711877

#SPJ1

4 0
2 years ago
10.0 g Cu, C Cu = 0.385 J/g°C 10.0 g Al, C Al = 0.903 J/g°C 10.0 g ethanol, Methanol = 2.42 J/g°C 10.0 g H2O, CH2O = 4.18 J/g°C
Mazyrski [523]

Answer:

Lead shows the greatest temperature change upon absorbing 100.0 J of heat.

Explanation:

Q=mc\Delte T

Q = Energy gained or lost by the substance

m = mass of the substance

c = specific heat of the substance

ΔT = change in temperature

1) 10.0 g of copper

Q = 100.0 J (positive means that heat is gained)

m = 10.0 g

Specific heat of the copper = c =  0.385 J/g°C

\Delta T=\frac{Q}{mc}

=\frac{100.0 J}{10 g\times 0.385J/g^oC}=25.97^oC

2) 10.0 g of aluminium

Q = 100.0 J (positive means that heat is gained)

m = 10.0 g

Specific heat of the aluminium= c =  0.903 J/g°C

\Delta T=\frac{Q}{mc}

=\frac{100.0 J}{10 g\times 0.903 J/g^oC}=11.07^oC

3) 10.0 g of ethanol

Q = 100.0 J (positive means that heat is gained)

m = 10.0 g

Specific heat of the ethanol= c =  2.42 J/g°C

\Delta T=\frac{Q}{mc}

=\frac{100.0 J}{10 g\times 2.42 J/g^oC}=4.13 ^oC

4) 10.0 g of water

Q = 100.0 J (positive means that heat is gained)

m = 10.0 g

Specific heat of the water = c =  4.18J/g°C

\Delta T=\frac{Q}{mc}

=\frac{100.0 J}{10 g\times 4.18 J/g^oC}=2.39 ^oC

5) 10.0 g of lead

Q = 100.0 J (positive means that heat is gained)

m = 10.0 g

Specific heat of the lead= c =  0.128 J/g°C

\Delta T=\frac{Q}{mc}

=\frac{100.0 J}{10 g\times 0.128 J/g^oC}=78.125^oC

Lead shows the greatest temperature change upon absorbing 100.0 J of heat.

3 0
4 years ago
Which element has the largest atomic radius?<br> As<br> N<br> P<br> Sb
Irina-Kira [14]
The answer to your question would be SB .
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State the law of moment of force.​
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Explanation:

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Elemental sodium atom contains 11 electrons. Hope this helps you!
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