Chemistry
Chemistry, 03.12.2019 18:31, Gattuso

Achemist measures the energy change ? h during the following reaction:

2fe2o3(s) ? 4feo(s) + o2(g) =? h560.kj
this reaction is.

(a) endothermic
(b) exothermic

suppose 66.6 g of fe2o3 react. will any heat be released or absorbed? |

(a) yes, absorbed
(b) yes released.
(c) no

answer
Answers: 1

Other questions on the subject: Chemistry

image
Chemistry, 22.06.2019 07:00, uniqueray33
What effect does a decrease in temperature have on the overall rate of a chemical reaction? a decrease in temperature decreases . the reaction rate will
Answers: 1
image
Chemistry, 22.06.2019 10:00, valdezlizbeth6652
Why is carbon ideal for making different compounds?
Answers: 2
image
Chemistry, 22.06.2019 18:50, christhegreat1
Asample of tin (ii) chloride has a mass of 0.49 g. after heating, it has a mass of 0.41 g.  what is the percent by mass of water in the hydrate?   %
Answers: 1
image
Chemistry, 22.06.2019 21:30, liamgreene90
In one or two grammatically correct sentences, write a definition for the term molecule geometry
Answers: 3
Do you know the correct answer?
Achemist measures the energy change ? h during the following reaction:

2fe2o3(s) ? 4fe...

Questions in other subjects:

Konu
English, 04.04.2020 10:11