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3 years ago

Which term describes this reaction? addition condensation elimination substitution

Chemistry

2 answers:

sattari [20]3 years ago

6 0

Answer;

-Condensation

Explanation;

-Condensation reaction is a reaction that takes place when two molecules join together forming a larger molecule and also produces another smaller molecule in the process. The smaller molecule produced in the reaction is normally water, however, it can also be methanol, hydrogen chloride, among other small molecules.

-Condensation is common in many biological and chemical processes such as formation of disaccharides, and polmerization reactions, where small molecules join to form a larger molecule called a polmer.

vlada-n [284]3 years ago

5 0

The others are wrong it's B. Condensation

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A solution has a [OH-] of 1 × 10-9. What is the pOH of this solution?

zhannawk [14.2K]

POH = - log [ OH⁻ ]

pOH = - log [ 1 x 10⁻⁹ ]

pOH = 9

Answer C

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3 years ago

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Leno4ka [110]

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3 years ago

Convert 1 bromopropane to bromoethane.

Dovator [93]

Answer:

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Explanation:

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3 years ago

What happens when piece of sodium is exposed to moist air?

I am Lyosha [343]

Answer:

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3 years ago

The chemical equation for a reaction between K2Cr2O7 and HCl is shown.

deff fn [24]

K2Cr2O7 + 14HCl → 2CrCl3 + 2KCl + 3Cl2 + 7H2O

the correct option is :

K2Cr2O7, because the oxidation number of Cr changes from +6 to +3.

Oxidation number of Cr in K2Cr2O7 is:

K2Cr2O7 = 2K + 2 Cr + 7 O

= 2(+1) + 2Cr + 7(-2)

= 2 + 2Cr -14

[total charge on K2Cr2O7 = 0], Hence;

2 + 2Cr -14 = 0

2Cr -12 = 0

2Cr = 12

Cr = 12/2

Cr = +6

Oxidation number of Cr in CrCl3 is:

CrCl3 = Cr + 3Cl = 0

Cr + 3(-1) = 0

Cr -3 = 0

Cr = +3

Hence Cr is changing its oxidation number from

+6 in K2Cr2O7 to +3 in CrCl3.

Since the oxidation number of Cr [ +6 → +3] is decreasing here,

Cr is getting reduced.

so K2Cr2O7 is an oxidizing agent,as it is getting itself reduced and oxidizes others.

3 0

3 years ago

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