subject
Biology, 15.12.2020 21:20 sherlock19

herylanne mixes together Chemical A and Chemical B in a test tube, forming Chemical C. The mixture instantly turns cool to the touch. She then adds Chemical D, and the reaction becomes hot and explodes. What can be known about this situation? Chemicals A and B form an endothermic reaction, and chemicals C and D form an exothermic reaction. Chemicals A and B form an exothermic reaction, and chemicals C and D form an endothermic reaction. Chemicals A and C form an endothermic reaction, and chemicals B and D form an exothermic reaction. Chemicals A and B form an exothermic reaction, and chemicals B and D form an endothermic reaction.

ansver
Answers: 2

Other questions on the subject: Biology

image
Biology, 22.06.2019 04:00, stelllllllllllllllla
Select the true statements about eubacteria. most live as decomposers and heterotrophs. most only thrive in a narrow range of environments. certain eubacteria are responsible for food poisoning. eubacteria thrive in extreme environments.
Answers: 3
image
Biology, 22.06.2019 04:10, diamonds5307
How are the reproductive cycles of a fungus and a pteridophyte similar? a)both organisms form fruiting bodies that produce diploid seeds. b)both organisms produce haploid spores and exhibit diploid and haploid stages. c)both organisms reproduce sexually when two haploid hyphae fuse. d)both organisms exhibit a diploid stage and are only able to reproduce asexually.
Answers: 1
image
Biology, 22.06.2019 05:30, hamptonjeleesa
What is the compliment dna strand to the following sequence: ttgactaggcta
Answers: 1
image
Biology, 22.06.2019 08:30, mariaaalopezz
What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons
Answers: 1
You know the right answer?
herylanne mixes together Chemical A and Chemical B in a test tube, forming Chemical C. The mixture i...

Questions in other subjects:

Konu
Mathematics, 07.07.2019 11:10
Konu
Mathematics, 07.07.2019 11:10
Konu
Mathematics, 07.07.2019 11:10
Konu
Mathematics, 07.07.2019 11:10