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STatiana [176]
2 years ago
13

A similar reaction is used frequently in laboratory experiments as an indicator. Can you guess what that might be?

Chemistry
1 answer:
svp [43]2 years ago
7 0

Answer: ph scale

Explanation:

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ans is (2) 2,4- hexadiene

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What phase of matter is least common on earth
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Plasma is the least common matter on earth 
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Which of the following NOT a principle of deep ecology, according to Arne Naess? All life has intrinsic value Environment must b
motikmotik

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On the picture are all principles cited on wikipedia.

Explanation:

So the answer is

1. Environment must be exploited to improve living standards

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3 years ago
What is the hydrogen ion concentration, [H+], of a solution with a pH of 5.43?
grigory [225]

Answer: 3.7 x10−6 Mole per dm^3

Explanation:

pH is the negative logarithm of hydrogen ion concentration in a solution.

So, pH = - log(H+)

Since the solution has a pH of 5.43

5.43 = -log(H+)

To get hydrogen ion concentration, find the Antilog of 5.43

(H+) = Antilog (-5.43)

(H+) = 0.000003715

Then, 0.000003715 in standard form becomes 3.7 x10−6 M

Thus, the concentration of hydrogen ion in the solution is 3.7 x10−6 Mole per dm^3

6 0
3 years ago
How many protrons are in 12 carbon isotopes​
Snezhnost [94]

Answer:

The different forms of an element based on the number of neutrons in the nucleus are called "isotopes." Carbon-12 is only one isotope of the element carbon, with 6 protons and 6 neutrons. There are also carbon-13, with 6 protons and 7 neutrons, and carbon-14, with 6 protons and 8 neutrons.

Explanation:

4 0
3 years ago
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