3 years ago

Would carbon dioxide or water have a higher boiling point? Explain.

1 answer:

7 0

Answer:

Water acutually has a higher boiling point because CO2 will turn into a gas form at a certain temp ( -78 C), so CO2 wouldn't really boil very long.

Hope this helps:)

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2L of hydrogen has an initial pressure of 750 mmHg, what is the final pressure in mmHg if the volume increases to 20 L with a co

Verdich [7]

Answer: The final pressure is 75 mm Hg.

Explanation:

According to Boyle's law, at constant temperature the pressure of a gas in inversely proportional to volume.

Since, it is given that the temperature is constant. Hence, formula used is as follows.

$P_{1}V_{1} = P_{2}V_{2}$

Substitute the values into above formula as follows.

$P_{1}V_{1} = P_{2}V_{2}\\750 mm Hg \times 2 L = P_{2} \times 20 L\\P_{2} = \frac{750 mm Hg \times 2 L}{20 L}\\= 75 mm Hg$

Thus, we can conclude that the final pressure is 75 mm Hg.

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3 years ago

What is the mass in grams of 5.50 mol of sodium?

Zolol [24]

Answer:

126.5g

Explanation:

n=<u>m</u><u> </u>

where n is moles

m is mass of substance

M is molar mass

molar mass of sodium is 23g/mol

m=nM

m=5.5(23)

m=126.5

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3 years ago

Which chemical equation represents the reaction of an Arrhenius acid and an Arrhenius base?

Komok [63]

The chemical equation that represents the reaction of an Arrhenius acid and an Arrhenius base is 1) HC2H3O2 (aq) + NaOH (aq) ---> NaC2H3O2 (aq) + H2O (I)

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Why might calcium also be called the calcium of citric acid

Stella [2.4K]

Calcium citrate malate contains the calcium salt of citric acid and malic acid

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3 years ago

What are even covalent chlorides? Question D

liq [111]

Answer:

The chlorine atom (or atoms) is covalently bonded by a shared pair of electrons to the other element.

Explanation:

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3 years ago