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Alik [6]
2 years ago
10

How many moles are present in 2.45 x 1023 molecules of CH ?

Chemistry
1 answer:
Phantasy [73]2 years ago
4 0

Answer:

the aware is 6182

Explanation:

jejejieieiejeie

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Answer: A force must cause an object to move along the same direction as the force.

Explanation:

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Work=Force\times Displacement

When work is done,a force must cause an object to move along the same direction as the force.

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1(30%). A thin plate black body, insulated at the bottom is placed faced up in a room with wall temperatures of 30 C. Air at 0 C
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Explanation:

The given data is as follows.

         Heat transfer coefficient (h) = 12W/m^{2}.C

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Hence, formula applied for steady state is as follows.

       (h \times A \times \Delta T)_{air} = \sigma \times A \times (T^{4}_{1} - T^{4}_{2})_{plate}

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       (h \times A \times \Delta T)_{air} = \sigma \times A \times (T^{4}_{1} - T^{4}_{2})_{plate}

        12 \times (T_{2} - 273) = 5.67 \times 10^{-8} \times [(30 + 273)^{4} - T^{4}_{2}]

                  T_{2} = 282.66 K

                              = (282.66 -273)^{o}C      

                              = 9.66 ^{o}C      

Thus, we can conclude that the steady state temperature will be 9.66 ^{o}C.

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