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Vinvika [58]
3 years ago
13

Some common substances and their chemical formulas are listed in the chart.

Chemistry
1 answer:
vesna_86 [32]3 years ago
8 0

Answer:

We heart you don't have all the information you just got some common substances and their chemical formulas are listed in the chart? That we don't have the chart to see which of the substances are elements

Explanation:

sorry about that if you can take a picture of it and repost it I am sure I could answer it for you

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What volume, in milliliters, of a 0.140 M solution of KCl contains 2.65 g of the compound?
marishachu [46]

Answer:

Calculate moles KCl: 2.55 g / 74.55 g/mol = 0.0342 moles KCl

Volume KCl = 0.0342 mol X (1 L/0.150 mol) = 0.228 L X 1000 mL/L = 228 mL

Explanation:

3 0
3 years ago
For part a, b, state whether each of the following solutions is saturated, unsaturated, or supersaturated.
aksik [14]

We habe the same problem

Explanation:

8 0
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Sever21 [200]

Answer:

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Explanation:

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6 0
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Read 2 more answers
Liquid A decomposes with nth-order kinetics in a batch reactor A->B, r =kca. the conversion of A reaches 50% in a five minute
Cloud [144]

Answer:

A) 1

B) 2.5

C) 3.32

Explanation:

The  possibility of n=1 is not achievable in 20 minutes and 30 minutes as calculated n=1 for 10 minutes. The same conversion cannot be achieved for the  rest of the time which is impossible as 75% conversion and it cannot   be achieved at 10 min and 20 min at the same time

A) what is the order of the reaction if it takes 10 minutes to reach 75% conversion

= n ( order )  = 1

B) what is the order of reaction if it takes 20 minutes to reach 75% conversion

= n ( order ) ≈ 2.5

C) what is the order of reaction if it takes 30 minutes to reach 75% conversion

= n ( order ) ≈ 3.32

attached below is a detailed solution

8 0
3 years ago
Which statement is true with respect to an atom?
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Smallest particle of a(chemical) element
7 0
3 years ago
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