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Juli2301 [7.4K]
3 years ago
5

Help PLEASE PLEASE PLEASEEEEE I will really appreciate it thank you!! Will mark brainly Calculate the total energy in 1.5 x 10^1

3 photons of gamma radiation having wavelength = 3.0 x 10^-12 m. Need to show ALL work
Chemistry
1 answer:
hoa [83]3 years ago
7 0

Answer:

.hshshsh

Explanation:

hzhhzhzhhzjks

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The same heat transfer into identical masses of different substances produces different temperature changes. Calculate the final
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Answer: final temperatures will be

a) water 21 C

b) concrete  20.005 C

c) steel   20.008 C

d) mercury  53 C

Explanation:

Change in temp dT = dH / (mass x specific heat)

Specific heat of these materials can be found from many sources:

water = 1 kcal / kg C

concrete = 210 kcal / kg C

steel = 114 kcal / kg C

mercury = 0.03 kcal /kg C

So dT (water) from 1 kcal heat into 1 kg water = 1 kcal / (1 kg x 1 kcal/kg C) = 1 C therefore the final temperature is 20 + 1 = 21 C

But dT (steel) = 1 kcal / (1kg x 114 kcal/kg C) = 0.008 C so the final temperature is 20 + 0.008 = 20.008 C

The results for concrete and mercury are calculated in the same way

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How do the internal structures of vascular and plants transport food and water.
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Will Florine react? will it combine with other elements?
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