2 years ago

Please help me with this question number 5!!

1 answer:

6 0

The answer is B, the electrolysis of water. One cannot be the answer since the condensation of steam requires a loss of heat, an exothermic reaction. Numbers 2 and 3 cannot be correct either as they do not indicate energy in the chemical equation, and so it must be balanced throughout. Meaning that the only possible answer is B.

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How do you do double replacement reactions?

Harman [31]

You have to switch the elements based in if they're metals/nonmetals. so nonmetals switch with each other and metals switch with each other.

AB + CD ---> AC + BD

5 0

2 years ago

What is the resultant pressure if 1.7 mol of ideal gas at 273 K and 2.79 atm in a closed container of constant volume is heated

dedylja [7]

Answer: The resultant pressure is 3.22 atm

Explanation:

Gay-Lussac's Law: This law states that pressure is directly proportional to the temperature of the gas at constant volume and number of moles.

$P\propto T$ (At constant volume and number of moles)