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iren [92.7K]
2 years ago
5

Which of these compounds is a product of protein synthesis?

Chemistry
2 answers:
yuradex [85]2 years ago
3 0
The answer is c it is Carbon Dioxide
soldi70 [24.7K]2 years ago
3 0
The correct answer is B water.
When 2 amino acids are bonded they release a water molecule through a process called dehydration.
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When you finish using the compound brightfield microscope, what should you have your lab instructor do?
ira [324]

Answer:

To check if it's properly cleaned.

Explanation:

When you finish using a microscope, you have to take out all your samples you were using and make sure it is completely clean so that no further contamination affects future sample analysis.

Also when you begin to use it, make sure it is clean so that when you analyze your sample(s) are free from other unexpected agents.

5 0
3 years ago
How many significant figures in 890
Kamila [148]

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890 has 2 significant figures

8 0
2 years ago
1. How many moles of LiBr are present in 100 mL of 1.25M LIBr solution?
Svet_ta [14]

Answer:

https://www.webassign.net/question_assets/wertzcams3/appendix.pdf

7 0
3 years ago
Which one is a chemical reaction? Why?
Alex17521 [72]

Answer:

Copper turns green on exposure to air

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Copper turns green on exposure to air: Chemical change

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3 0
2 years ago
A solution is prepared by mixing 2.17 g of an unknown non-electrolyte with 225.0 g of chloroform. The freezing point of the resu
Deffense [45]

Answer:

The molar mass of the unknown non-electrolyte is 64.3 g/mol

Explanation:

Step 1: Data given

Mass of an unknown non-electrolyte = 2.17 grams

Mass of chloroform = 225.0 grams

The freezing point of the resulting solution is –64.2 °C

The freezing point of pure chloroform is – 63.5°C

kf = 4.68°C/m

Step 2: Calculate molality

ΔT = i*kf*m

⇒ ΔT = The freezing point depression = T (pure solvent) − T(solution) = -63.5°C + 64.2 °C = 0.7 °C

⇒i = the van't Hoff factor = non-electrolyte = 1

⇒ kf = the freezing point depression constant = 4.68 °C/m

⇒ m = molality = moles unknown non-electrolyte / mass chloroform

0.7 °C = 1 * 4.68 °C/m * m

m = 0.150 molal

Step 3: Calculate moles unknown non-electrolyte

molality = moles unknown non-electrolyte / mass chloroform

Moles unknown non-electrolyte = 0.150 molal * 0.225 kg

Moles unknown non-electrolyte = 0.03375 moles

Step 4: Calculate molecular mass unknown non-electrolyte

Molar mass = mass / moles

Molar mass = 2.17 grams / 0.03375 moles

Molar mass = 64.3 g/mol

The molar mass of the unknown non-electrolyte is 64.3 g/mol

6 0
3 years ago
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