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miv72 [106K]
4 years ago
10

Describe the heat involved if you touch a flask containing an on-going endothermic reaction

Chemistry
1 answer:
juin [17]4 years ago
8 0
The flask would feel cooler than when the reaction first started.
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A student measures the pressure and volume of an empty water bottle to be 1. 4 atm and 2. 3 l
rewona [7]

The new volume of the bottle is 5.07 L.

<h3>What is Boyle's Law?</h3>

It is a gas law that states the pressure decrease with the increase in the pressure.

By the formula

\rm P_1V_1= P_1V_2

Given that, volume1 is 2.3l

Pressure1 is 4 atm.

Pressure2 to 0.65 atm.

V2 is to find?

Putting the values in the equation

\rm 1.4\times 2.3 = 0.65 \times V_2\\\\V_2 = 5.07 L

Thus, the new volume of the bottle is 5.07 L.

Learn more about Boyle's Law

brainly.com/question/1437490

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2 years ago
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How does the precision of the absolute-age dating compare to the precision of relative-age dating?
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Answer:

Explanation:

Absolute dating uses for example, radiocarbon dating method to tell the numeric age of an organic substance and this is not always exact. In the other hand, relative age dating give a more precision since it is comparing the age of a particular part of the substance to the other parts. For example, comparing the lower layer of a rock to the upper layer, it is certain that the lower layer is older than the upper one.

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