3 years ago

What is the hydroxide ion concentration in a water solution that has a hydronium ion concentration of 5.36*10-8 M?

1 answer:

8 0

Answer:

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An unknown compound, B, has the molecular formula C7H12. On catalytic hydrogenation 1 mol of B absorbs 2 mol of hydrogen and yie

Ne4ueva [31]

Answer:

5-methylhex-1-yne//5-methylhex-2-yne//2-methylhex-3-yne

Explanation:

We have to start with the information on the IR spectrum. The signal at 3300 is due to a C-H bend sp carbon and the signal in 2200 is due to the stretch carbon-carbon. Therefore we will have an alkyne. Now if we have 2-methylhexane as the product of hydrogenation we have several options to put the triple bond. Between carbons 1 and 2 (5-methylhex-1-yne), between carbons 2 and 3 (5-methylhex-2-yne) and between carbons 3 and 4 (2-methylhex-3-yne). On carbon 5 we have a tertiary carbon therefore we dont have any other options.

See figure 1

I hope it helps!

3 0

4 years ago

Three grams of the same substance in different phases are stored in three different containers. Each container is barely large e

jenyasd209 [6]

The correct option is this: THE ATOMS IN THE SOLID WILL BE VIBRATING IN POSITION.
This is because the molecules in solids are held together by strong inter molecular forces, the molecules can not move about freely but they cab vibrate in their position.

4 0

3 years ago

Read 2 more answers

When turgor pressure is high enough in a cell, the cell walls become _____

iren2701 [21]

Answer:

the answer is "Firm".

Explanation: