Which of the following is an exothermic reaction?
a
concentrated hydrochloric acid dis...
Chemistry, 13.10.2019 15:00 jacquelineS7691
Which of the following is an exothermic reaction?
a
concentrated hydrochloric acid dissolving in water
b
ammonium nitrate dissolving in water
c
ammonium chloride dissolving in water
d
sugar dissolving in water
Answers: 1
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How many moles of magnesium is 3.01 x10^22 atoms of magnesium?
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How much would the freezing point of water decrease if 4 mol of sugar were added to 1 kg of water(k=1.86 c/mol/kg for water and i=1 for sugar
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Ineed to find the answer of this question because i dont understand it
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The human eye contains a molecule called 11-cis-retinal that changes shape when struck with light of sufficient energy. the change in shape triggers a series of events that results in an electrical signal being sent to the brain that results in vision. the minimum energy required to change the conformation of 11-cis-retinal within the eye is about 164 kj/mol.
Answers: 2
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