College Chemistry Quiz
20 questions · no time limit
0:00
THERMOCHEMISTRY (CALORIMETRY & HESS'S LAW)
Question 1 of 20
No time limit
Current
Answered
Flagged
Not seen
A chemical hand warmer contains iron powder that undergoes the reaction: 4Fe(s)+3O2(g)→2Fe2O3(s)4Fe(s) + 3O_2(g) \rightarrow 2Fe_2O_3(s), ΔH=−1648 kJ\Delta H = -1648 \ kJ. If a hand warmer contains 12.0 g of iron and reacts completely, how much heat is generated?
YOUR PROGRESS
20
QUESTIONS
Ready when you are
Answer in any order. Your progress shows here as you go.
QUESTIONS
KEYBOARD
Pick an answer ABCDE
Next question ↵→
Previous ←
Flag for review F
Answers save as you go · flagged questions come back at the end