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oee [108]
3 years ago
8

Which of the following is an incorrect way of rearranging the density formula:

Chemistry
2 answers:
goldenfox [79]3 years ago
5 0
We know that density = mass /volume
so
mass=volume*density
volume=mass/density
so c is wrong
nlexa [21]3 years ago
5 0

Hello!

<em><u>Answer: C. </u></em>

Explanation:

↓↓↓↓↓↓↓↓↓

Density is the amount of mass in a give volume. It's a derived unit of measure. It equal to mass divided by volume. Then it measured in units such as grams per cubic centimeter and grams per milliliter. Density is the ration of mass to volume. Density is a physical property of an object. Mass is the amount of matter in an object. Volume is the amount of space an objects takes up.

Density formula:

↓↓↓↓↓↓↓↓

D=\frac{M}{V}

Volume formula:

↓↓↓↓↓↓↓↓↓

V=\frac{M}{D}

Mass formula:

↓↓↓↓↓↓↓↓↓↓↓

M=D*V

Hope this helps!

Thank you for posting your question at here on Brainly.

-Charlie

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The standard free-energy changes for the reactions below are given. Phosphocreatine → creatine + Pi ∆ G'° = –43.0 kJ/mol ATP → A
Jet001 [13]

Answer:

-12.5 kJ/mol

Explanation:

The free-energy predicts if a reaction is spontaneous or not. If it is, ΔG < 0. When a reaction happens by steps, the free-energy of the global reaction can be calculated by the sum of the free-energy of the steps (Hess law). If it's needed to operations at the reaction the same operation must be done in the value of ΔG (if the reaction is inverted, the signal of ΔG must be inverted).

Phosphocreatine → creatine + Pi ∆G'° = –43.0 kJ/mol

ATP → ADP + Pi                             ∆G'° = –30.5 kJ/mol (x-1)

--------------------------------------------------------------------------------------

Phosphocreatine → creatine + Pi ∆G'° = –43.0 kJ/mol

Pi + ADP → ATP                             ∆G'° = 30.5 kJ/mol

The bold compounds are in opposite sides, so they'll be canceled in the sum of the reactions:

Phosphocreatine + ADP → creatine + ATP

∆G'° = -43.0 + 30.5

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5 0
3 years ago
If a can of soup 150 g mass and 0.75g/ cm^3 density what’s the volume
Liula [17]

Answer:

<h3>The answer is 200 cm³</h3>

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

volume =  \frac{mass}{density}\\

From the question

mass = 150 g

density = 0.75 g/cm³

We have

volume =  \frac{150}{0.75}  \\

We have the final answer as

<h3>200 cm³</h3>

Hope this helps you

8 0
3 years ago
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