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kirza4 [7]
3 years ago
7

Burning gasoline is an _____________ reaction.

Chemistry
2 answers:
sweet-ann [11.9K]3 years ago
6 0
Burning gasoline is an exothermic reaction.
rusak2 [61]3 years ago
5 0

Answer:

chemical.............

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A gas sample has a temperature of 22c with an unknown volume. The same gas has a volume of 456 mL when the temperature is 86c wi
tester [92]

Answer:

V₁  = 374.71  mL

Explanation:

Given data:

Initial volume of gas= ?

Initial temperature = 22°C

Final temperature = 86°C

Final volume = 456 mL

Solution:

Initial temperature = 22°C (22+273 = 295 k)

Final temperature = 86°C (86+273 = 359 k)

The given problem will be solve through the Charles Law.

According to this law, The volume of given amount of a gas is directly proportional to its temperature at constant number of moles and pressure.

Mathematical expression:

V₁/T₁ = V₂/T₂

V₁ = Initial volume

T₁ = Initial temperature

V₂ = Final volume  

T₂ = Final temperature

Now we will put the values in formula.

V₁/T₁ = V₂/T₂

V₁ = V₂T₁ /T₂

V₁  = 456 mL × 295 K / 359 k

V₁  = 134520 mL.K /  359 k

V₁  = 374.71  mL

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NaOH(aq) + MgSO4(aq) →
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if balanced reaction then 2 NaOH + MgSO4 → Mg(OH)2 + Na2SO4

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