Chemistry, 28.01.2020 03:31 Ezekielcassese
During a science lab investigating chemical reactions, mr grace students place an antacid tablet in a ziplock bag. they recorded the mass of the tablet, 25 g, in the bag, 60 grams. then they carefully added 50 g of water and quickly seal the bag. the tablet began at this and soon disappeared. the bag was filled with gas. if the total mass of the bag+tablet+water was 135 grams before the reaction, what was the total mass of the bag+liquid+gas after the reaction was completed? a) 60 grams b) 75 grams c) 135 grams d) 270 grams
Answers: 3
Chemistry, 22.06.2019 05:30, nuclearfire278
Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease. correct answer for apex - a, its nonpolar end dissolves the grease.
Answers: 1
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