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3 years ago

Find the unit rate $122 in 8 hours

SAT

2 answers:

Dafna11 [192]3 years ago

4 0

$15.25 per hour

122 divided by 8

Anika [276]3 years ago

4 0

Kskskkskxkxkxllxlxlsksks

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Find δs o for the combustion of methane to carbon dioxide and liquid water.

mote1985 [20]

The entropy change ΔS for the combustion of methane to carbon dioxide and liquid water is -242.6 J/mol.K

<h3>What is the Entropy in a Chemical system?</h3>

In a chemical system, Entropy (ΔS) is a quantitative measure of the variety of possible ways to disperse energy inside a chemical system.

In an isothermal process, entropy is determined as the quantity of heat transmitted to a system.

The chemical reaction for the combustion of methane can be expressed as:

$\mathbf{CH_{4(g)} + 2O_{2(g)} \to CO_{2(g)} + 2H_2O_{(l)}}$

The standard entropy of the combustion is expressed as:

$\mathbf{\Delta S^0 =(S^0 _{CO_{2}} + 2 \times S^0 _{H_{2}O} )+(-S^0 _{CH_{4}} -2 \times S^0 _{O_{2}} })$

Replacing the standard entropies of the compounds into the above equation, we have:

$\mathbf{\Delta S^0 =(213.8 \8 \ J/mol.K + 2 \times69.92 \ J/mol.K )+(-186.16 \ J/mol.K -2 \times 205.04 \ J/mol.K})$

$\mathbf{\Delta S^0 =-242.6 \ J/mol.K}$

Learn more about entropy here:

brainly.com/question/6364271

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2 years ago

Jane is saving to buy a cell phone. She is given a $100.00 gift to start and saves $35 a month from her allowance. So after 1 mo

Bezzdna [24]

Answer:

Yes

Explanation:

becuase she saves the same amount money every month

it's linear

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3 years ago

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Coordinating movement and our sense of balance is a function of the __________.

AURORKA [14]

Answer,

Cerebellum.

Explanation,

The cerebellum receives information from the sensory systems, the spinal cord, and other parts of the brain and then regulates motor movements.It also coordinates voluntary movements such walking, speech,and balance,resulting to smooth and balanced muscular activity.it also assists in movement of the eye. it is found at the back of the brain.

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What advantages do the emulsifiable oil cutting fluids have over the cutting fluids indicated in question #3?

Delicious77 [7]

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False

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Lana71 [14]

Answer: AGGHGHHGGGGGHGGG

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3 years ago