Atype of hot pack uses the reaction of finely divided iron metal with oxygen from air to generate heat. given the thermochemical equation below, how much heat can be released if 45.4 g of iron is consumed? 4 fe(s)+3 029)2 fe203(s) ah-1.65 mj o
a. 1.34 x 103 kj
b. 336 kj o
c. 672 kj
d. 2.68 x 103kj
e. 41.3 kj
Answers: 1
Another question on Chemistry
Chemistry, 22.06.2019 10:30
Consider the following reactions. (note: (s) = solid, (l) = liquid, and (g) = gas.) mg(s) + ½o2(g) → mgo(s) + 146 kcal/mole h2(g) + ½o2(g) → h2o(g), δh = -57.82 kcal/mole what type of reaction is represented by the previous two examples?
Answers: 3
Chemistry, 23.06.2019 03:50
What is the equation fort the alkaline zinc/manganese dioxide cell. a) anode b)cathode c)overall equations.
Answers: 2
Chemistry, 23.06.2019 04:10
Which of the following is described by the equation h2o(s)+ heat=h2o(i) a freezing melting condensing evaporating
Answers: 2
You know the right answer?
Atype of hot pack uses the reaction of finely divided iron metal with oxygen from air to generate he...
Questions
English, 01.02.2020 00:58
Mathematics, 01.02.2020 00:58
Chemistry, 01.02.2020 00:58
Mathematics, 01.02.2020 00:58
Business, 01.02.2020 00:58
Mathematics, 01.02.2020 00:58
Mathematics, 01.02.2020 00:58
Mathematics, 01.02.2020 00:58
