How does a planet’s motion affect its length of day and year? PLEASEEEE HELPPPP!!!!

2 answers:

8 0

the time it take for a planet to rotate on its axis makes up its day so if it were slower the day would be longer like earth, it take about 24 hours to make one full rotation.

Now for a year the distance from its star is the largest factor, because the further out the longer it takes to revolve around it, thus making a longer year.

mixer [17]4 years ago

5 0

The rate of a planet's rotation about its axis delermines the length of its day.

The rate of a planet's orbit about its sun determines the length of its year.

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<u>Answer:</u> The molality of $NaC_2H_3O_2$ solution is 0.782 m

<u>Explanation:</u>

Molality is defined as the amount of solute expressed in the number of moles present per kilogram of solvent. The units of molarity are mol/kg. The formula used to calculate molality:

$\text{Molality of solution}=\frac{\text{Moles of solute}}{\text{Mass of solvent (in kg)}}$ .....(1)

Given values:

Moles of $NaC_2H_3O_2$ = 0.395 mol

Mass of solvent (water) = 0.505 kg

Putting values in equation 1, we get:

$\text{Molality of }NaC_2H_3O_2=\frac{0.395mol}{0.505kg}\\\\\text{Molality of }NaC_2H_3O_2=0.782m$

Hence, the molality of $NaC_2H_3O_2$ solution is 0.782 m

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How would you find 8m of carbon chloride using 87.9g carbon chloride

vaieri [72.5K]

Answer:

Explanation:

I want to believe that your question is how to find an 8M carbon chloride solution using the given mass of the compound.

The problem clearly identifies with concentration of a substance. Molarity is one of the ways of expressing concentration. It is the amount of solute of a substance per volume of solution.

Molarity = $\frac{number of moles of solute}{Volume of solution}$