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3 years ago

Which statement best reflects a change in weather

Chemistry

2 answers:

Maurinko [17]3 years ago

4 0

Option A. is the best answer

Firdavs [7]3 years ago

4 0

The answer is A,Today is cloudy, but tomorrow will be clear and sunny.

Hope this helped :) have a nice day (:

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What is an example of turning chemical energy into light energy?

levacccp [35]

Chemical energy being changed into light energy would happen during phototsynthesis

5 0

3 years ago

Cu + 2AgNO3 → Cu(NO3)2 + 2Ag

Eva8 [605]

Answer:

$m_{Ag}=135.8gAg$

$Y=88.4\%$

Explanation:

Hello there!

In this case, according to the described chemical reaction, it is possible to compute the theoretical mass of silver as mass via the 1:2 mole ratio of copper to silver and their atomic mass in the periodic table, in order to perform the following stoichiometric setup:

$m_{Ag}=40.gCu*\frac{1molCu}{63.55gCu}*\frac{2molAg}{1molCu}*\frac{107.87gAg}{1molAg}\\\\ m_{Ag}=135.8gAg$

Next, given the actual yield of 120 g, we compute the percent yield via:

$Y=\frac{120g}{135.8g}*100\%\\\\Y=88.4\%$

Regards!

4 0

3 years ago

The volume of a given mass of an ideal gas at constant pressure is

Alenkasestr [34]

Would that be mass times volume?

3 0

3 years ago

2H2(g) + O2(g) = 2H2O(l)

Anna [14]

Anwer:

1000000000000000000000000000000000000000000000000000000.01

4 0

3 years ago

explain the relationship between the kelvin temperature of a substance and the kinetic energy of its particles

blondinia [14]

Answer:

kinetic energy is directly proportional to the absolute temperature this is because when absolute temperature is increased it tends to cause more collision of the particles which hence increases kinetic energy of the particles .

since kinetic energy is the energy due to motion

7 0

3 years ago