Chemistry, 18.02.2021 01:30 bellamvento
Which of the following operations usually makes a substance dissolve faster
in a solvent (select ALL that apply)?
A. raising the temperature
B. lowering the temperature
C. agitation
D. crushing the substance to a powder
Answers: 2
Chemistry, 22.06.2019 05:30
What type of reaction is shown below? check all that apply. 2h2o2 β 2h2o + o2 synthesis decomposition combustion
Answers: 1
Chemistry, 22.06.2019 06:30
Three cards with holes are arranged in a straight line. a light is shined through the first cardβs hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line
Answers: 1
Chemistry, 23.06.2019 00:30
Ok, so i have 2 questions. try to answer them both: (the topic is fire) 1) how can you represent the chemical reaction of fire? 2) what kind of bond is formed in this chemical reaction
Answers: 3
Chemistry, 23.06.2019 00:50
Which of the following warnings would an agricultural chemist tell a farmer who wants to recycle his or her own ammonia? recycling ammonia is a difficult process that sometimes takes weeks. recycling ammonia requires a degree in biochemistry or a related field. recycling ammonia can be harmful because it is highly flammable and toxic. recycling ammonia costs too much money considering the price of the necessary chemicals.
Answers: 1
Which of the following operations usually makes a substance dissolve faster
in a solvent (select AL...
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