1 year ago

Which characteristic of planets depends upon its distance from the Sun?

Chemistry

2 answers:

Svetradugi [14.3K]1 year ago

8 0

Answer:

I think its the length of its year

Artemon [7]1 year ago

3 0

Answer:

the length of its year

Explanation:

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Nitrogen,oxygen and argon are obtained from liquid air by fractional distillation.State the physical property that makes this po

Maurinko [17]

they have different boiling points

8 0

2 years ago

What mass of Na2SO4 is needed to make 2.5L of 2.0M solution? (Na=23g; S=32g; O=16g)

zaharov [31]

The molar mass of Na₂SO₄ -
2 x Na - 2 x23 = 46
1 x S - 1 x 32 = 32
4 x O - 4 x 16 = 64
total = 46 + 32 + 64 = 142 g/mol
the molarity of solution - 2.0 M
in 1 L of solution , 2.0 moles
Therefore in 2.5 L - 2 mol/L x 2.5 L = 5 mol
then the mass of Na₂SO₄ required = 142 g/mol x 5 mol = 710 g

8 0

2 years ago

Read 2 more answers

4.60 mL of 0.1852 M HNO3 is titrated to the phenolphthalein indicator endpoint with 27.35 mL of a KOH solution. What is the mola

Kamila [148]

Answer:

$M_{base}=0.0311M$

Explanation:

Hello there!

In this case, according to the given information, it turns out possible for us to solve for the molarity of the KOH solution by knowing this base react in a 1:1 mole ratio with nitric acid, HNO3; thus, we can write the following equation, as their moles are the same at the endpoint:

$n_{acid}=n_{base}$