Which sentence describes the energy changes that take place when this
chemical reaction occurs?
Ca + MgCl2 - Mg +CaCl2
O A. Energy is absorbed to break bonds in MgCl, and to form bonds in
CaCl2
B. Energy is absorbed to break bonds in MgCl2 and released when
the bonds in CaCl, form.
C. Energy is released when bonds in MgCl2 break and when bonds in
CaCl2 form
O D. Energy is released to break bonds in MgCl, and absorbed when
the bonds in CaCl2 form.
Answers: 3
Biology, 21.06.2019 23:40
The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol
Answers: 1
Biology, 22.06.2019 20:30
Dna in the nucleus carries the genetic code for making proteins in ribosomes. the diagram shows a model of dna. which part of the dna molecule codes for the amino acid sequence in the protein? a) sugar b) phosphate c) deoxyribosed) nitrogen bases
Answers: 1
Biology, 22.06.2019 22:30
What did you notice about the onion root tip cells that you saw at 40x power?
Answers: 2
Biology, 23.06.2019 00:30
Chronic obstructive pulmonary disease (copd) makes it difficult for the respiratory system to deliver oxygen to the lungs. the scientist wants to use a computer simulation to model how copd affects heart rate and respiratory rate during exercise. she will compare the results of the simulation to the results she gathered in her previous study. which of the following would be an appropriate dependent variable for the new study?
Answers: 1
Which sentence describes the energy changes that take place when this
chemical reaction occurs?
Mathematics, 14.10.2019 13:20
English, 14.10.2019 13:20
Computers and Technology, 14.10.2019 13:20
Mathematics, 14.10.2019 13:20
Mathematics, 14.10.2019 13:20
Biology, 14.10.2019 13:20
Mathematics, 14.10.2019 13:20
Mathematics, 14.10.2019 13:20
Mathematics, 14.10.2019 13:20
Mathematics, 14.10.2019 13:20
History, 14.10.2019 13:20
Physics, 14.10.2019 13:20