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3 years ago

Think of Earth's shape. How does the shape of Earth affect the amount of heat different

Chemistry

1 answer:

diamong [38]3 years ago

8 0

Answer: The Earth is an oblate spheroid which is more elongated along the equator.

Regions along the equator receives more amount of direct sunlight from the sun causing higher temperatures along the region. While places along the poles receives less amount of heat since heat is scattered in a larger area due to the shape of the Earth around the poles.

Explanation: So places along the equator experiences higher temperature due to the direct hit of sunlight. And places along the polar regions experiences cooler temperature since it receives less amount of sunlight.

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Boyle's Law is about how the volume of a gas is affected by... Boyle's Law is about how the volume of a gas is affected by... te

Lelu [443]

Answer:

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2 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

Am i correct so far on the first question? And how do i convert to molecules... I use avogadro's number, right?

Talja [164]

I'm pretty sure that you multiply the number of moles by avogadro's number (6.02x10^23)... you may want to check.

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3 years ago

CAN HF USED TO CLEAVE ETHERS EXPLAIN

PilotLPTM [1.2K]

Answer:

Explanation:

Fluoride is not nucleophilic (having the tendency to donate electrons) enough to allow for the use of HF to cleave ethers in protic media(protic solvents are polar liquid compounds that have dissociable hydrogen atoms). The rate of reaction is comparably low, so that heating of the reaction mixture is required.

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3 years ago

What's the Independent variable, The dependent variable, The constant for my project "Does Nail Polish affect the growth of nail

bonufazy [111]

Your independent variable is - The kind of nail polish used
Your dependent variable is - How much the nails have grown
And your constant is - Amount of time allowed for growth

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3 years ago