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3 years ago

Which statements correctly describe the rock cycle? Check all that apply.

Chemistry

1 answer:

pickupchik [31]3 years ago

3 0

Answer: I italicize for checking

Rocks are preserved through the process.
Rocks change from one type to another.
Different rock groups are interrelated.
Rocks change from one type to another in a specific order.
Environmental conditions influence a change in rock type.

Explanation:

Rocks are preserved, as in you can't destroy them completely, but no, they don't stay the same they change.

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A student was synthesizing aspirin in the laboratory. Using the amount of limiting reactant, she

Igoryamba

Answer:

mnbnm

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3 years ago

If 0.959J of heat is added to 0.88g of water, how much will its temperature increase

ss7ja [257]

Answer:

0.260 Celsius

Explanation:

q =c x m x (T2-T1)

c - specific heat of water 4.186 J/g.C

T2-T1 = q /(c x m) = 0.959 /(4.186 x 0.88) = 0.959/3.68 =0.260 C

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2 years ago

Which of the following is true regarding how to calculate net force?

Burka [1]

Answer:

Explanation:

The net force is the total of the forces and if forces are opposing you would subtract the lesser from the greater thus giving you the remaining force.

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3 years ago

A container of carbon dioxide has a volume of 240 mL at a temperature of 22°C. If the pressure remains constant, what is the vol

astraxan [27]

Answer:

Volume of the $CO_{2}$ gas at 44°C is 258 ml.

Explanation

here,

using Charles' law ,

$\frac{V}{T} =\frac{v}{t}$

where , V= initial volume v= final volume

T=initial temperature t = final temperature

Given - pressure is constant ,

so , putting the values -

V= 240ml

T= 22 + 273K = 295K (since converting celsius into kelvin that

is +273K )

v =?

t = 44+ 273K = 317K

Now , putting the given values in charles' law ,

$\frac{240ml}{295K} =\frac{v}{317K}$

240ml x317K = v x 295K (through cross multiplication )

v = $\frac{240ml\times317K}{295K}$

= 258ml .

thus , the volume of carbon dioxide in a container at 44°C IS 258ml .

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3 years ago

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3 years ago