2 years ago

Which gaseous element has the greatest density at stp n2 o2 cl2 f2?

1 answer:

3 0

1<span> mole Cl2 will have a density of 71/22.4 gram per liter

In general 1 mole of any gas will have a density of (mol.mass)/22.4 gram per liter at STP </span>

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What is the main difference between protons and neutrons?

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Answer:

Protons have a much larger volume than neutrons.

Explanation:

Protons have a slightly smaller mass than neutrons.

Protons have a positive charge.

Protons and neutrons make up the nucleus.

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3 years ago

How many Neutrons are in a ^15N isotope?

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There are 150 neutrons in 15N

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3 years ago

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Answer:

Explanation:

Using the necessary reagents to faciliate the synthesis of the organic compounds as shown in the attached file.

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2 years ago

Calculate the molarity of hydroxide ion in an aqueous solution that has a poh of 5.00

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1.00 x 10^-5 M

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2 years ago

A chemistry student weighs out 0.027 kg of an unknown solid compound X and adds it to 550. mL of distilled water at 30.° C. Afte

QveST [7]

Answer:

1. Yes

2.The solubility of X is 34.55g/L

Explanation:

Solubility of solute refers to how readily a solute will dissolve in a solvent at a particular temperature. Its the amount of moles or grams required to saturate 1dm $^{3}$ or 1 Litre of water.

From the problem, when the liquid was drained off and amount of X which didn't dissolve was measured, it weighed 0.008kg, this means out of 0.027kg, 0.027-0.008 actually dissolved

= 0.019kg*1000 = 19g.

if 19g is required to saturate 550mL at 30°C,

then $\frac{19*1000}{550}$ will saturate 1L

= 34.545g will saturate 1Litre

The solubility thus is 34.55g/L

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2 years ago