Please Help! I am in desperate need
Question 1
Answer the true/false questions based on the d...
Chemistry, 18.11.2020 23:40, starburst2005
Please Help! I am in desperate need
Question 1
Answer the true/false questions based on the diagram above.
I have no clue where the graph is tho, my teacher did not post one.
Addition of a catalyst will change the value for ฮH
True
False
Question 2
Consider the chemical reaction equation shown.
H + H--> H-H
Is this reaction endothermic or exothermic?
a
Endothermic
b
Exothermic
Question 3
a
AB
b
BC
c
CD
d
DE
Question 4
A chemical reaction has a reaction enthalpy of โ512 kJ/mol. Is it endothermic or exothermic?
a
Endothermic
b
Exothermic
Question 5
What is the energy required to evaporate two moles of liquid water given the following equations?
2H2(g) + O2(g) โ 2H2O(g) โH = -483.6 kJ
2H2(g) + O2(g) โ 2H2O(l) โH = -571.6 kJ
a
44.0 kJ
b
88.0 kJ
c
527.6 kJ
d
1055.2 kJ
Answers: 2
Chemistry, 22.06.2019 08:00, danielhall
Identify a strong intermolecular force of attraction between an alcohol
Answers: 1
Chemistry, 22.06.2019 18:00, jalenclarke25
What volume would 2.25 moles of ne has occupy at stp?
Answers: 1
Chemistry, 23.06.2019 07:30, danielahumajova6
How do you interpret a chromagram for what mixtures contain?
Answers: 1
Mathematics, 10.03.2021 19:00
Mathematics, 10.03.2021 19:00
Mathematics, 10.03.2021 19:00