4 years ago

Which statement is true according to Newton's second law of motion?

Chemistry

1 answer:

BigorU [14]4 years ago

7 0

Answer:

An objects accelarates in the same direction as that of the force applied.

Explanation:

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Convert to scientific notation : 520,000,000

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5.2 x 10^8

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A change in temperature is called a temperature _______________?

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A change in temperature is called a temperature change

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An amphoteric species is neither an acid nor a base. True or False

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What is the first step in creating a Lewis structure for a molecule?

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Count the number of valence electrons

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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