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Fed [463]
3 years ago
15

Is hot chocolate a pure substance or a mixture? Explain.

Chemistry
1 answer:
SVETLANKA909090 [29]3 years ago
5 0

Answer:

It is a mixture

Explanation:

Because it mixes chocolate, milk, sugar, and vanilla to make it sweet and not taste like plain cocoa powder.

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Please explainnnnnnnnnn
zysi [14]
The answer is 15g
The mass of a substance when given the density and volume can be found by using the formula
Mass = Density x Volume
From the question
Density of chloroform=1.5 g/ml
Volume=10mL
We have
Mass=1.5x10
We have the final answer as
15g
5 0
2 years ago
Read 2 more answers
Balance the following equations:
neonofarm [45]
Hope this helps! If you dont understand balancing equations in general, say so in the comments, I’m happy to help

7 0
3 years ago
The rate constant for a reaction is 4.65 L mol-1s-1. What is the overall order of the reaction? zero
il63 [147K]

Answer:

second order

Explanation:

units of reaction and their order.

Zero order --> M^1 s^-1 = M/s

First order --> M^0 s^-1 = 1/s

Second order --> M^-1 s^-1 = L/mol s

In the question rate constant k =  4.65 L mol-1s-1. = 4.65 L/mol s

Hence, the reaction is a second order reaction

8 0
3 years ago
Read 2 more answers
Express the quantity 556.2 x 10^-12 in each units<br> A.) ms<br> B.) ns<br> C.) ps<br> D.) fs
zavuch27 [327]
The answer:
we should know the meaning of each abbreviation:
ms means  millisecond, its value is 10^-3 s 
ns means  means  nanosecond,   its value is 10^-9 s
ps means  picosecond, its value is 10^-12 s
fs means  femtosecond, its value is 1x 10^15 s

<span>Expressions of the quantity 556.2 x 10^-12 are</span>
556.2 x 10^-12 =556.2 ps
556.2 x 10^-12 =556.2 x 10^-9 x 10^-3= 556.2 x 10^-9 ms
556.2 x 10^-12 = 556.2 x 10^-3 x 10^-9 = 556.2 x 10^-3 ns
556.2 x 10^-12 = 556.2 x 10^- 27 x 10^15 = 556.2 x 10^- 27 fs
6 0
3 years ago
1.31 times 10^-22 / 6.6262 times 10^-34
victus00 [196]
The first answer is -.595454 the second answer is -1.9488
4 0
3 years ago
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