A chemist measures the energy change during the following reaction: 1. This reaction is:. a. endothermic. b. exothermic. 2. Suppose 70.1 g of NO2 react. Will any heat be released or absorbed? A. Yes, absorbed. B. Yes, released. C. No. 3. If you said heat will be released or absorbed, calculate how much heat will be released or absorbed?
Answers: 2
Chemistry, 21.06.2019 23:00
50 pts plz what is the physical state of matter of baking soda.
Answers: 1
Chemistry, 22.06.2019 03:20
What is the ima of the 1 st class lever in the graphic given? 2 3 0.5
Answers: 1
Chemistry, 22.06.2019 10:30
Balance and in which category does it fit in? single or double displacement or synthesis or decomposition? (a) k2 o → k + o2 (b) na + i2 → nai (c) cu(no3 )2 + naoh → cu(oh)2 + nano3 (d) kclo3 → kcl + o2 (e) ca(no3 )2 + hbr → cabr2 + hno3 (f) sn(oh)2 → sno + h2 o (g) p4 + n2 o → p4 o6 + n2 (h) fe + al2 (so4 )3 → feso4 + al (i) alcl3 + na2 co3 → al2 (co3 )3 + nacl (j) c3 h6 + o2 → co2 + h2 o
Answers: 1
A chemist measures the energy change during the following reaction: 1. This reaction is:. a. endothe...
Biology, 05.03.2021 03:50
Mathematics, 05.03.2021 03:50
Mathematics, 05.03.2021 03:50
Mathematics, 05.03.2021 03:50
Mathematics, 05.03.2021 03:50
Mathematics, 05.03.2021 03:50
History, 05.03.2021 03:50
Mathematics, 05.03.2021 03:50
Mathematics, 05.03.2021 03:50