Chemistry, 22.11.2019 00:31 salvadorperez26
The bottom of a flat-bottomed aluminum boat has area = 4.10 m2 and mass = 65.0 kg. if two fishermen and their fishing gear with total mass of 305 kg are placed in the boat, how much lower will the boat ride in the water? (h2o density = 1.0 × 103 kg/m3)
Answers: 1
Chemistry, 21.06.2019 13:00
Note the ph and poh values labeled with letters on the ph scale below. based on log rules and the way ph is calculated, what is the difference in [oh– ] concentration between point a and point b. a) 10^1 b) 10^5 c) 10^6 d) 10^7
Answers: 1
Chemistry, 22.06.2019 22:30
Which of the following molecules is polar? c3h7oh c2h5cooh
Answers: 1
Chemistry, 23.06.2019 01:30
Astudent states that 9.0 g of baking soda will form an unsaturated solution in 100 g of water. what do you need to know to decide whether this statement is correct? a. the temperature of the water and the molar mass of baking soda b. the percent by volume of the solution and the solubility of baking soda c. the temperature of the water and the solubility of baking soda at that temperature
Answers: 1
Chemistry, 23.06.2019 07:30
In a laboratory determination of the atomic weight of tin, a sample of tin is weighed in a crucible. nitric acid is added, and the reaction proceeds to give a hydrated tin(iv)oxide plus no2and h2o. the hydrated tin(iv)oxide is then heated strongly and reacts as follows: sno2.xh2o(s)sno2(s)+ xh2o(g)the sno2is finally cooled and weighed in the crucible. explain the effect on the calculated atomic weight of tin that would result from each of the following experimental errors: (a)considerable spattering occurs when the nitric acid is added to the tin.(b)the hydrated tin(iv)oxide is not heated sufficiently to change it completely to tin oxide.
Answers: 2
The bottom of a flat-bottomed aluminum boat has area = 4.10 m2 and mass = 65.0 kg. if two fishermen...
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