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VikaD [51]
3 years ago
10

What is one difference between a mixture and a compound?

Chemistry
2 answers:
tekilochka [14]3 years ago
5 0
D. a compound can only be separated into its components by chemical means
Dovator [93]3 years ago
3 0

That is the answer to your question

A. compound can only be separated into its components by chemical means.

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Which of the following is correct for the equation below? 2P(s) + 3Cl2(g) → 2PCl3(g) + 574 kJ
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Student perfotms a Benedict's test on an unknown substance. He adds reagent(the chemical required to make a color change), and n
elixir [45]

Answer:

Reducing sugars are absent

Explanation:

Benedict's solution is an substance used in testing sugars. It is mixture of sodium carbonate, sodium citrate and copper(II) sulfate pentahydrate. It can be used instead of Fehling's solution in testing for the presence of reducing sugars.

Reducing sugars contain the -CHO group. If there is no colour change after the addition of Benedict's solution, then we can conclude that reducing sugars are absent.

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3 years ago
Find the pH of 8.4x10^-8 M HCl. Report the answer to the hundredths place.
Hunter-Best [27]

Answer:

pH = 7.08

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pH = -log [H]^+

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It can also be solved as

-log 8.4-(-8log 10)

-0.924-(-8×1)

-0.924+8

7.076

To the nearest hundredth

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8 0
3 years ago
What is more likely to happen if wetlands are drained?
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3 years ago
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