Explanation:
everything can be found in the picture
True!
For example:
The atomic mass of carbon is 12.011 (i think) and the weight of carbon is 12. But with C13 and C14 being a little higher, it makes the average higher. Random fact: C14 is used for carbon dating.
Answer:
•How do you find the delta H per grams in an chemical formula
➢ Subtract the sum of the heats of formation of the reactants from that of the products to determine <u>delta H: delta H = –110.53 kJ/mol</u> – (–285.83 kJ/mol) = 175.3 kJ.

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The rate of the backward reaction increases
Explanation:
It is evident that if the reaction is left to proceed spontaneously, the forward reaction is favored because it results in a decrease in pressure in the system (The total reactants have 5 moles and the products have 3 in total).
Increasing H₂O concentration is then reaction, therefore, stymies the forward reaction and favors the reserves reaction. This is because the reverse reaction will lead to reduced pressure.