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kramer
3 years ago
5

You are given a colourless solution, it turned blue litmus paper red​

Chemistry
1 answer:
inna [77]3 years ago
7 0

Answer:

The colorless solution is an acid.

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An astronomer is a guest speaker at your school. She states that iron is the very last product in stellar fusion. Why would she
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Iron is the very last product in stellar fusion is that; Iron has a tightly bound nucleus, and atoms larger than iron are less stable and tend to undergo nuclear fission.

The stability of an atom is dependent on the binding energy per nucleon of the atom.

The binding energy per nucleon of elements increases steadily until iron, we can see that from the curve very easily.

Beyond iron, we have exceeded the region of stable binding energy per nucleon of atoms. The atoms after iron in the curve are mostly unstable heavy nuclei.

Learn more: brainly.com/question/10095561

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Which of these is NOT a result of human actions?
Kazeer [188]

Answer:

B : acid rain ?  

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3 years ago
Help :) For 100 points
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4 0
3 years ago
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Calculate the pHpH of a 0.10 MM solution of barium hydroxide, Ba(OH)2Ba(OH)2. Express your answer numerically using two decimal
Maurinko [17]

Answer:

13.301

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To calculate the pH of the solution, we must obtain the pOH of the solution as illustrated below:

The dissociation equation is given below

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Since Ba(OH)2 dissociate to produce 2moles of OH^-, the concentration of OH^- = 2x0.1 = 0.2M

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pOH = - Log 0.2

pOH = 0.699

But

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6 0
3 years ago
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Changing the number of protons in an atom makes<br><br> A. an ion<br> B. an isotope
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A. an ion

The atom gains a net electrical charge if the number of protons and electrons are not equal which makes it an ion.
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