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KonstantinChe [14]
3 years ago
8

Which Group 16 element combines with hydrogen to form a compound that has the strongest hydrogen bonding between its molecules?

1. oxygen 2. selenium 3. sulfur 4. tellurium
Chemistry
1 answer:
Natalka [10]3 years ago
4 0
I am gonna go with 3 Sulfur
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G what is the difference between the sidechains of leucine and isoleucine? select one:
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The structure of isoleucine is CH3CH2CH(<u>CH3</u>)CH(NH2)COOH.

In leucine, the CH3 group is <em>two carbons away</em> <em>from</em> the α carbon; in isoleucine, the CH3 group is on the carbon <em>next to</em> the α carbon.

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“One has more H-bond acceptors than the other” is <em>incorrect</em>. Each acid has two H-bond acceptors — the N in the amino and the O in the carbonyl group.

“They have different numbers of carbon atoms” is <em>incorrec</em>t. They each contain six carbon atoms.

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What is the percent composition by mass of sulfur in the compound mgso4
Margaret [11]

Answer:

26.7% is the percent composition by mass of sulfur in a compound named magnesium sulfate.

Explanation:

Molar mass of compound = 120 g/mol

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Percentage of element in compound :

=\frac{\text{Number of atoms}\times \text{Atomic mass}}{\text{molar mas of compound}}\times 100

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26.7% is the percent composition by mass of sulfur in a compound named magnesium sulfate.

6 0
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