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Misha Larkins [42]
3 years ago
12

Look at the reaction below and state which direction the reaction would shift:

Chemistry
1 answer:
uysha [10]3 years ago
7 0

Answer:

  • <u><em>It shifts left</em></u>

Explanation:

The<em> equilibrium</em> equation is:

  • Water + Energy ⇄ Vapor

By LeChatelier's principle when a <em>system</em> in <em>equilibrium</em> is disturbed, the system will react to counteract the disturbance and restore fhe equiibrium.

When one of the substances increases, look at where it appears in the chemical equilibrium equation and determine how that increase can be compensated.

In this case, the system will try to balance the increase in vapor, which is on the right side of the equation, by consuming part of it and producing more water and energy through the reverse reaction, from right to left. Thus, the system will shift left.

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Silicon carbide, SiC, is commonly known as carborundum. This hard substance, which is used commercially as an abrasive, is made
mrs_skeptik [129]

Mass of SiC = 2 g

<h3>Further explanation</h3>

Given

Reaction

SiO₂(s) + 3C(s) → SiC(s) + 2CO(g)

3.00 g of SiO₂

4.50 g of C

Required

mass of SiC

Solution

mol SiO₂ (MW=60,08 g/mol) :

= 3 g : 60.08 g/mol

= 0.0499

mol C(Ar = 12 g/mol) :

= 4.5 g : 12 g/mol

= 0.375

mol : coefficient of reactants =

SiO₂ : 0.0499/1 = 0.0499

C : 0.375/3 = 0.125

SiO₂ as a limiting reactant(smaller ratio)

Mol SiC based on mol SiO₂ = 0.0499

Mass SiC :

= mol x MW

= 0.0499 x 40,11 g/mol

= 2 g

3 0
2 years ago
A balloon filled with helium gas at 1.00 atm occupies 12.9 L. What volume would the balloon occupy in the upper atmosphere, at a
Taya2010 [7]

Answer:

67,9 L

Explanation:

Boyle's Law indicates that the pressure of a fixed amount of gas at a constant temperature is inversely proportional to the volume of a gas, for a constant amount of gas we can write:

P1V1=P2V2

For the problem:

P1= 1 atm, V1= 12,9 L

P2=0,19 atm, V2=?

Therefore:

V2=P1V1/P2.................... V2=1 atm*12,9L/0,19 atm = 67,9 L

The balloon would occupy a volume of 67,9 L in the upper atmosphere.

5 0
3 years ago
Billions of pounds of urea are produced annually for use as a fertilizer. Balance the skeletal equation for the synthesis of ure
klio [65]
2NH₃(g) + CO₂(g) → CO(NH₂)₂(s) + H₂O(l)
is the balanced equation for the synthesis of urea.
5 0
3 years ago
Convert eachh into scientific notation
mixer [17]

Answer:

0.00580 →

3000 →

0.000908 →

200. →

Explanation:

yay

7 0
3 years ago
Read 2 more answers
In a metal what is not given an assigned location and thus can drift
Allushta [10]
In a metal, "Electrons" <span> is not given an assigned location and thus can drift

In short, Your Answer would be Option C

Hope this helps!</span>
6 0
2 years ago
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