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herchellann302
25.09.2021 •
Chemistry
Below is a diagram of a tug-a-war. Write a short paragraph to describe what will happen, using the terms net force, balanced OR unbalanced forces, AND change in motion.
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Ответ:
At STP 1 mol = 22.4 liter
=> [1mol/22.4 liter] * 0.050 liter = 0.00223 mol Cl2 (g)
2) Write the balanced equation
4HCl (g) + O2 --> 2Cl2 (g) + 2H2O (g)
3) Write the ratios of the compound on which you are focused.
4 HCl : 2 mol Cl2
Then, 0.00223 mol Cl2 * [4mol HCl / 2 mol Cl2] = 0.00446 mol HCl
5) Use Avogadro's number to find the number of molecules:
0.00446 mol * 6.02*10^23 = 2.68 * 10^21 molecules of HCl
2.68 * 10^21 molecules