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bixtya [17]
4 years ago
11

What is friction force ?

Chemistry
1 answer:
Degger [83]4 years ago
5 0
What is the resistance to motion
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Chloroform, CHCl3, reacts with chlorine, Cl2, to form carbon tetrachloride, CCl4, and hydrogen chloride, HCl. In an experiment 2
erastovalidia [21]

Answer:

Chloroform= limiting reactant

0.209mol of CCl4 is formed

And 32.186g of CCl4 is formed

Explanation:

The equation of reaction

CHCl3 + Cl2= CCl4 + HCl

From the equation 1 mol of

CHCl3 reacts with 1mol Cl2 to yield 1mol of CCl4

From the question

25g of CHCl3 really with Cl2

Molar mass of CHCl3= 119.5

Molar mass of Cl2 = 71

Hence moles of CHCl3= 25/119.5 = 0.209mol

Moles of Cl2 = 25/71 = 0.352mol

Hence CHCl3 is the limiting reactant

Since 1 mole of CHCl3 gave 1mol of CCl4

It implies that 0.209moles of CHCl3 will also give 0.209mol of CCl4

Mass of CCl4 formed = moles× molar mass= 0.209×154= 32.186g

6 0
4 years ago
How many atoms are in NH₄C₂H₃O₂? Sorry, I'm confused because there are two "H"s: H₄ and H₃. Please explain if this would just be
krek1111 [17]

Answer:

11

Explanation:

NH=4

C=2

H=3

O=2

4 0
3 years ago
What is the molarity of 2 mol of ki dissolved in 1 l water?
LiRa [457]

Hey There!:


number of moles = 2 moles KI


Volume = 1 L


Therefore:


M = n /V


M = 2 / 1


M = 2.0 mol/L


hope this helps!

5 0
3 years ago
What is defined as the absorption of oxygen and the release of carbon dioxide by cells?
lara31 [8.8K]

Answer:

Cellular respiration

Explanation:

Oxygen is required by the cell in the Krebs cycle as the ultimate proton acceptor (creating water an end product during making out ATPs). During the conversion of pyruvate from glycolysis to Acetyl-CoA that enters the Krebs cycle, the pyruvate is decarboxylated (or oxidized) hence creating carbon IV oxide as a byproduct.

4 0
4 years ago
the two amino acids, glycine and alanine, can form two different dipeptides. Draw one of the possible dipeptides as it would app
OLEGan [10]

Answer:

The diagram is attached.

Explanation:

Peptide just refers to two or more amino acids liking together. A dipeptide consists of two amino acids linking together. A polypeptide is more that two amino acids linking together.

4 0
3 years ago
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