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3 years ago

After World War I, senators who opposed United

2 answers:

5 0

After World War I, senators who opposed United <span>States participation in the League of Nations argued that American membership in the organization would "</span><span>(4) involve the nation in future world conflicts"</span>

andrew11 [14]3 years ago

3 0

Answer:

Explanation:

Involve the nation in future world conflict

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What does c represent in the carbon cycle diagram?

malfutka [58]

Answer:

carbon

Explanation:

I'm pretty sure if not

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3 years ago

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gizmo_the_mogwai [7]

Hey there! The answer you're looking for is Helium

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3 years ago

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The energy absorbed or released when a neutral atom loses one electron

makvit [3.9K]

It is called an ion.

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3 years ago

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Two chemical samples were heated individually in a flame and both produced an identical orange flame. What conclusion can you dr

cestrela7 [59]

Answer: they both contain the same metal(calcium)

Explanation: calcium burns with a characteristic orange color.

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4 years ago

Calcium carbonate decomposes to form calcium oxide and carbon dioxide, like this:

Leni [432]

Answer: The value of the equilibrium constant Kc for this reaction is 0.088

Explanation:

$Molarity=\frac{x}{M\times V_s}$

where,

x = given mass

M = molar mass

$V_s$ = volume of solution in L

Equilibrium concentration of $CaCO_3$ = $\frac{25.3}{100\times 9.0}=0.028M$

Equilibrium concentration of $CaO$ = $\frac{14.9}{56\times 9.0}=0.029M$

Equilibrium concentration of $CO_2$ = $\frac{33.7}{44\times 9.0}=0.085M$

The given balanced equilibrium reaction is,

$CaCO_3(s)\rightleftharpoons CaO(s)+CO_2(g)$

The expression for equilibrium constant for this reaction will be,

$K_c=\frac{[CaO]\times [CO_2]}{[CaCO_3]}$

Now put all the given values in this expression, we get :

$K_c=\frac{0.029\times 0.085}{0.028}=0.088$

7 0

3 years ago