2 years ago

What is the boiling point of kerosene

1 answer:

6 0

Answer: The boiling point of kerosene ranges from around 150 to 300 degrees Celsius normally being closer to 300 degrees Celsius.

Explanation:

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Calculate the concentration of the following solution in mol/dm3 0.1 moles of NaCl in 200 cm3

taurus [48]

1 $cm ^{3}$ = 0.001 $dm ^{3}$ . Therefore 200 $cm ^{3}$ = 0.2 $dm ^{3}$ . Molarity = $\frac{number of moles of NaCl}{volume of the solution} = \frac{0.1}{0.2} = 0.5 mol/dm^{3}$ . Hope this helps.

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2 years ago

What is the empirical formula

Radda [10]

Answer:

a formula giving the proportions of the elements present in a compound but not the actual numbers or arrangement of atoms.

Explanation:

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1 year ago

Please Define what an “atom” is

Lostsunrise [7]

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the smallest particle of a chemical element that can exist.

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2 years ago

Determine the concentration of a solution made by dissolving 44.0 g of calcium chloride (CaCl2) in 0.30 L of solution. SHOW YOUR

ycow [4]

Answer:

[CaCl₂] = 1.32 M

Explanation:

We know the volume of solution → 0.30 L

We know the mass of solute → 44 g of CaCl₂

Let's convert the mass of solute to moles.

44 g . 1 mol / 110.98 g = 0.396 moles

Molarity (mol/L) → 0.396 mol / 0.3 L = 1.32 M

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2 years ago

Why would an increase in temperatures be detrimental to the tundra? Select all that apply.

ludmilkaskok [199]

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I think the answers are... b, d, and maybe a. I don't know for sure. So only put these answers in if you trust me!

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I had this very question, and I put in what I think were the answers.

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1 year ago