subject
Chemistry, 01.09.2020 23:01 rehel1546

A chemist measures the energy change ?H during the following reaction: 2HgO (s) ?2Hg (l) +O2 (g) =?H182.kJ Use the information to answer the following questions. This reaction is... endothermic.
exothermic.
Suppose 72.8g of HgO react. Will any heat be released or absorbed?
Yes, absorbed.
Yes, released.
No.
If you said heat will be released or absorbed in the second part of this question, calculate how much heat will be released or absorbed. kJ Round your answer to 3 significant digits. ×10

ansver
Answers: 2

Other questions on the subject: Chemistry

image
Chemistry, 22.06.2019 11:00, abbygailgo674
Can you me with this i really appreciate it
Answers: 1
image
Chemistry, 22.06.2019 13:30, nasibamurodova
What are the chemical names of these compounds? ke: mg3n2: reset next
Answers: 1
image
Chemistry, 23.06.2019 01:00, ZaNiyahlove4711
Which of the following is the molecular formula for a simple sugar? a. cooh b. h2o c. oh d. c6h12o6
Answers: 1
image
Chemistry, 23.06.2019 07:30, Blaked
Which of the following statements best explains why chemistry is testable a) it can measure data by experiments b) it cannot add new evidence c) it cannot be verified d) it is biased
Answers: 1
You know the right answer?
A chemist measures the energy change ?H during the following reaction: 2HgO (s) ?2Hg (l) +O2 (g) =?H...

Questions in other subjects:

Konu
Mathematics, 04.04.2020 08:26