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Andre45 [30]
3 years ago
7

Which describes a molecule? (Select all that apply.)

Chemistry
1 answer:
nordsb [41]3 years ago
7 0

Answer:

All of them

Explanation: A molecule can be all of them

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If the density of one cup of water is 1.0 g /mL what is the density of 2 cups of water
Leno4ka [110]
It would be 2.0 g / mL
5 0
2 years ago
Read 2 more answers
What is the most likely fate of a protein with an N-terminal hydrophobic sorting signal and an additional internal hydrophobic d
scoundrel [369]

Explanation:

The  fate of a protein with an N-terminal hydrophobic sorting signal and an additional internal hydrophobic domain of 22 amino acids.When it is in the translocation channel and emitted laterally into the membrane, the hydrophobic region is known as a trans-membrane domain.

4 0
3 years ago
O que são processos físicos de separação das misturas? Dê 3 exemplos
chubhunter [2.5K]

Answer:

Explanation:

The physical methods of separating mixtures are used in sorting a mixture of substances.

It requires no chemical changes occurring between their components and parts in any significant way.

Examples are:

  1. Decantation
  2. Filtration
  3. Sublimation
  4. Magnetism
  5. Centrifugation

The methods simply relies on the physical properties of matter.

8 0
3 years ago
When a chemist titrates a standard solution of 168.61 mL of hydrochloric acid (HCl) with 0.104 M sodium hydroxide (NaOH) , she f
ch4aika [34]
The conc of NaOH is 0.104M which means that 1000mL solution contains 0.104mol of NaOH, so the amount of moles used in the titration will be
\frac{0.104mol}{1000mL} * 259.4mL = 4.00* 10^{-7} mol
The reaction of NaOH and HCl is one to one so the moles of HCl that were titrated will also be 4.00* 10^{-7} mol
The Molarity is therefore
\frac{4.00* 10^{-7} mol}{168.61 mL} * 1000mL = 2.38* 10^{-6} M
4 0
3 years ago
Which of the following do/does not change with the change in temperature?
Phantasy [73]

Answer:

c. Both i & ii

Explanation:

Moles do not change with temperature hence Mole fraction does not depends of temperature.

Molality is number of moles of solutes per kilogram of solvent. It has no relationship with temperature.

This means both of them do not change wit the change in temperature.

Correct option;

c. Both i & ii

8 0
3 years ago
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