How many grams of mercury are present in a blood device that holds 6.9mL of mercury

Chemistry

1 answer:

lianna [129]2 years ago

7 0

Answer: 1

Explanation:it is common sense

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Which formed first: hydrogen nuclei or hydrogen atoms?

Mama L [17]

This sounds very much like a chicken-egg problem.

The first thing that formed must be hydrogen nuclei. The only other alternative is that the atom was created instantly, and the nuclei sprang forth at the same time as the atom, meaning that neither was technically first. The logic is that an atom can’t form without a nucleus, but it theoretically could be created instantly.

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3 years ago

Heating a solution of alcohol and water, then collecting the alcohol vapors and condensing them into a liquid with higher alcoho

Sindrei [870]

Answer:

Distillation.

Explanation:

If we are heating a mixture of two miscible liquids and collecting the vapors it means we are separating the two mixtures from each other based on their boiling point differences.

This technique of separation of two liquids based on the difference in boiling point is known as Distillation.

Alcohol will evaporate easily as compared to water as water has stronger influence of hydrogen bond making the inter-molecular forces stronger.

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4 years ago

PLEASE HELP I DONT WANT TO FAIL!! ):

Fudgin [204]

Hope this helps :) I didn’t know how to write subscripts so I wrote it down on some paper.