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zzz [600]
3 years ago
11

PLEASE HURRY!!! I WILL GIVE BRAINLEIST!!!!

Chemistry
1 answer:
saul85 [17]3 years ago
8 0

Answer:

A I did the exam and I saw A sorry if it is wrong dont have the best of memory

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What are the 4 things attached to the center carbon in all amino acids?
aev [14]
amino group
carboxyl group
R-group
single Hydrogen arom
5 0
3 years ago
A vehicle travels 60. km north and then 40. km south. What is its total displacements?
Rama09 [41]

Answer:

20 km north that's the answer hope it helped

6 0
3 years ago
CAN SOMEONE PLEASE HELP ME?!
Len [333]

Answer:

no

Explanation:

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5 0
3 years ago
Help me please I need to pass.
nlexa [21]

Answer:

2 C Atoms

Explanation:

When you have coefficient of 2 next to a compound element, it indicates there are 2 of each compound element. In the compound element, there is one C Atom, and 2×1 is 2.

4 0
3 years ago
Two unknown compounds are analyzed. Compound I contain 5.63 g of tin and 3.37 g of chlorine, while compound II contains 2.5 g of
never [62]

Answer:

Compounds 1 and 2 are not the same

Explanation:

To solve this question we need to find the molecular formula of the compounds converting the mass of each atom to moles. Molecular formula is defined as the simplest whole number ratio of atoms present in a molecula:

Compound 1:

<em>Moles Tin: </em>

5.63g Sn * (1mol / 118.7g) = 0.04743 moles

<em>Moles Cl:</em>

3.37g Cl * (1mol / 35.45g) = 0.09506 moles

Ratio Cl:Sn

0.09506 moles / 0.04743 moles = 2

Molecular formula SnCl₂

Compound 2:

<em>Moles Tin: </em>

2.5g Sn * (1mol / 118.7g) = 0.02106 moles

<em>Moles Cl:</em>

2.98g Cl * (1mol / 35.45g) = 0.08406 moles

Ratio Cl:Sn

0.08406 moles / 0.02106 moles = 4

Molecular formula SnCl₄

Compounds 1 and 2 are not the same because molecular formulas are different.

4 0
2 years ago
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