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Paul [167]
3 years ago
7

Which of the following is equal to an impulse of 18 units?

Chemistry
2 answers:
dem82 [27]3 years ago
8 0
The answer is force=6, time=3, so C is correct
frosja888 [35]3 years ago
6 0

Answer:

the answer is C. this is because 6 times 3 is 18

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A chemical reaction takes place inside a flask submerged in a water bath. The water bath contains 8.10kg of water at 33.9 degree
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Answer:

The new temperature of the water bath 32.0°C.

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Mass of water in water bath ,m= 8.10 kg = 8100 g ( 1kg = 1000g)

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Final temperature of the water = T_2

Specific heat capacity of water under these conditions =  c = 4.18 J/gK

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Q=m\times c\times \Delta T=m\times c\times (T_2-T_1)

-69.0\times 1000 J=8100 g\times 4.18 J/g K\times (T_2-306.9 K)

-69,000.0 J=8100 g\times 4.18 J/g K\times (T_2-306.9 K)

T_2=304.86 K=304.86 -273^oC=31.86^oC\approx 32.0^oC

The new temperature of the water bath 32.0°C.

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