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Juli2301 [7.4K]
3 years ago
15

Referring to an activity series, which of the following combinations of reactants would not produce a successful single-replacem

ent reaction?
Zn +CuSO4
Ca + MgSO4
Ag + SnSO4
K + Na2SO4

Chemistry
2 answers:
loris [4]3 years ago
8 0
 I believe the answer is Ca + MgSO4
bonufazy [111]3 years ago
8 0

<u>Answer:</u> The combination of reactants that will not undergo single displacement reaction is (Ag+SnSO_4)

<u>Explanation:</u>

Single-displacement reactions are defined as the reactions in which a more reactive metal displaces a less reactive metal from its chemical reaction. The reactivity of metal is judged by a series known as reactivity series.

A+BC\rightarrow AC+B

Metal A is more reactive than metal B.

The metal which is present above in the series is more reactive than the metal which is present below in the series.

For the given options:

<u>Option 1:</u>  Zn+CuSO_4

Zinc lies above in the series than copper and thus will easily replace copper from its chemical reaction.

Zn+CuSO_4\rightarrow ZnSO_4+Cu

<u>Option 2:</u>  Ca+MgSO_4

Calcium lies above in the series than magnesium and thus will easily replace magnesium from its chemical reaction.

Ca+MgSO_4\rightarrow CaSO_4+Mg

<u>Option 3:</u>  Ag+SnSO_4

Silver lies below in the series than tin and thus will not replace tin from its chemical reaction.

Ag+SnSO_4\rightarrow \text{No reaction}

<u>Option 4:</u>  K+Na_2SO_4

Potassium lies above in the series than sodium and thus will easily replace sodium from its chemical reaction.

2K+Na_2SO_4\rightarrow K_2SO_4+2Na

Hence, the combination of reactants that will not undergo single displacement reaction is (Ag+SnSO_4)

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How many moles of chlorine gas would occupy a volume of 35.5 L at a pressure of 100.0 kPa and a temperature of 100.0 degrees Cel
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1.137448506 mol moles of chlorine gas would occupy a volume of 35.5 L at a pressure of 100.0 kPa and a temperature of 100.0 degrees Celsius.

<h3>What is an ideal gas equation?</h3>

The ideal gas equation, pV = nRT, is an equation used to calculate either the pressure, volume, temperature or number of moles of a gas. The terms are: p = pressure, in pascals (Pa). V = volume, in m^3.

We apply the formula of the ideal gases, we clear n (number of moles); we use the ideal gas constant R = 0.082 l atm / K mol:

PV= nRT

Given data:

P=100.0 kPa =0.986923 atm

T=100 degree celcius= 100 + 273 =373 K

V=35.5 L

Substituting the values in the equation.

n= \frac{\;0,98 \;atm \;X \;35,5 \;L }{\;0,082\;atm / \;K mol \;X \;373 K}

n= 1.137448506 mol

Hence, 1.137448506 mol moles of chlorine gas would occupy a volume of 35.5 L at a pressure of 100.0 kPa and a temperature of 100.0 degrees Celsius.

Learn more about ideal gas here:

brainly.com/question/16552394

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