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2 years ago

Solid A and solid B were dissolved into two separate graduated cycliders

Chemistry

2 answers:

ZanzabumX [31]2 years ago

8 0

Answer:

C. The dissolving reaction of A was exothermic and the dissolving of reaction B was endothermic

Explanation:

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<em>Hope this helps! Please let me know if you need more help, or if you think my answer is incorrect. Brainliest would be MUCH appreciated. Have a great day!</em>

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dolphi86 [110]2 years ago

6 0

Answer:

C) The dissolving reaction of A was exothermic, and the dissolving reaction of B was endothermic.

Explanation:

hope this helps :)

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Balanced equation for Co+O2=Co2O3

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Answer:

4 Co(s) + 3 O2(g) = 2 Co2O3(s)

Explanation:

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2 years ago

Consider the following chemical reaction:

jolli1 [7]

From the calculation, the moles of water produced is 18 moles of water.

<h3>What is a decomposition reaction?</h3>

A decomposition reaction is one in which a substance is split up into smaller parts.

We have the reaction; 2 Cr(OH)3(aq) ------------> Cr2O3(s) + 3H2O(l)

From this reaction;

2 moles of Cr(OH)3 produced 3 moles of water

12 moles of Cr(OH)3 will produce;

12 moles * 3 moles / 2moles

= 18 moles of water

Hence, 12 moles of chromium (III) hydroxide produces 18 moles of water.

Learn more about decomposition reaction:brainly.com/question/8009068?

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1 year ago

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vichka [17]

Light moves in a straight line except at surfaces between different transparent materials, where its path bends.

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3 years ago

Finely ground nickel (II) hydroxide is placed in a beaker of water. It sinks to the bottom of the beaker and remains unchanged.

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Explanation:

Acid-base reaction will give salt and water.

The 2nd option is correct.

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3 years ago

Which would easily give up more electrons during bonding?

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