Chemistry, 01.10.2021 23:00 celibe9391
Question 1 Part A Tear off a small, flat sheet of waxed paper. Use the pipette to dispense a drop of water on the waxed paper. Now, dry the pipette, and use it to dispense a drop of oil on the waxed paper next to the water drop. Be sure the two drops are not touching. Compare and describe the appearance of both drops.
Answers: 2
Chemistry, 22.06.2019 13:00
6. using 3 β 4 sentences explain (in your own words) why water expands when it freezes? 7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 β 4 sentences in your explanation.
Answers: 1
Chemistry, 22.06.2019 23:30
Match each statement with the state of matter it describes
Answers: 3
Chemistry, 23.06.2019 12:30
The equilibrium constant kc for the reaction 2 nocl(g) β 2 no(g) + cl2(g) is 0.453 at a certain temperature. a mixture of nocl, no, and cl2 with concentrations 1.30, 1.20, and 0.600 m, respectively, was introduced into a container at this temperature. which of the following is true? 1. no apparent reaction takes place. 2. [cl2] = 0.30 m at equilibrium. 3. nocl(g) is produced until equilibrium is reached. 4. [nocl] = [no] = [cl2] at equilibrium. 5. cl2(g) is produced until equilibrium is
Answers: 3
Chemistry, 23.06.2019 12:30
)a childrenβs liquid cold medicine has a density of 1.23 g/ml. if a child is to take 2.5 tsp in a dose, what is the mass in grams of this dose? (1 tsp = 5 ml)
Answers: 1
Question 1 Part A Tear off a small, flat sheet of waxed paper. Use the pipette to dispense a drop of...
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