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jonny [76]
3 years ago
15

Does this change in temperature of the water and the mixing of liquids in the calorimeter represent an increase or decrease in e

ntropy? Explain your answer.
Chemistry
1 answer:
worty [1.4K]3 years ago
5 0

Answer:

Yes, entropy increases

Explanation:

Entropy may be defined as a thermodynamic quantity which represents the unavailability of thermal energy of any system for conversion into some mechanical work. It is also the randomness or the degree of disorder of the system.

Entropy increases when the system is more disordered. Entropy also increases when the temperature of the system is increased. The system with higher temperature means the particles have a high kinetic energy which in turn make the particles more dis order. And thus the entropy of the system increases.  

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Determine the formula weight of caffeine, C₈H₁₀N₄O₂. Provide an answer to two decimal places.
arlik [135]

Let's find

\\ \tt\hookrightarrow C_8H_10N_4O_2

  • We need accurate mass

\\ \tt\hookrightarrow 8(12.011)+10(1.007)+4(14.006)+2(16.0)

\\ \tt\hookrightarrow 96.088+10.07+56.024+32.0

\\ \tt\hookrightarrow 196.182g/mol

\\ \tt\hookrightarrow 196.18g/mol\:or 196.18u

5 0
2 years ago
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Draw the structures of methyl oleate and propylene glycol. Which one is more polar, and how can you tell
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1234567891011121314151617181920

5 0
2 years ago
Let’s assume that you put a balloon into the freezer. Initially,the balloon had 3.0liters of gas at a pressure of 400kPa and was
EastWind [94]
Here, we should use combined gas law which can be derived from combined gas law, “PV=nRT”. Rearranging, we can get PV/T=nR. Then we can set the two states in the problem together to get

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Then just plug in and solve algebraically.

Hope this helps
6 0
3 years ago
What type of chart is used to help organize study and predict genetic inheritance?
AleksAgata [21]
The answer is punnet square
3 0
2 years ago
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A 25 liter balloon holding 1.5 moles of carbon dioxide leaks. If we are able to determine that 0.9 moles of carbon dioxide escap
ad-work [718]

Answer:

10 Litre

Explanation:

Given that ::

v1 = 25L ; n1 = 1.5 mole ; v2 =? ; n2 = (1.5-0.9) = 0.6 mole

Using the relation :

(n2 * v1) / n1 = (n2 * v2) / n2

v2 = (n2 * v1) / n1

v2 = (0.6 mole * 25 Litre) / 1.5 mole

v2 = 15 / 1.5 litre

v2 = 10 Litre

3 0
3 years ago
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