Chemistry, 29.10.2020 20:10 daionagreene3486
A bar of Sam's coconut oil soap has a mass of 121 grams. The rectangular bar is 8 centimeters long,5.5 centimeters wide, and 2.5 centimeters high. How many grams per cubic centimeter ia there? Calculate the density of Sam's coconut oil soap. Write your answer as a decimal.
Answers: 2
Chemistry, 23.06.2019 00:30
Titration reveals that 11.6 ml of 3.0m sulfuric acid are required to neutralize the sodium hydroxide in 25.00ml of naoh solution. what is the molarity of the naoh solution?
Answers: 1
Chemistry, 23.06.2019 10:00
1.9 mol hcl and 3.9 mol naoh react according to the equation hcl + naoh ββ nacl + h2o . if the limiting reactant is hcl, calculate the amount of nacl formed.
Answers: 1
Chemistry, 23.06.2019 18:30
3. consider a process in which a gas with the properties of air expands at constant pressure as described by the cups of air discussion in class. one kilogram of air starts out at 1 atm and 290 k. the air expands its volume by absorbing a sufficient amount of thermal energy to increase the temperature at constant pressure to 350 k. a. on a p-v diagram, sketch this process with point a as the starting point and point b as the ending point. b. if the process is completely reversible, calculate the thermal energy added from an external source. c. calculate the entropy change for this process assuming it is reversible. d. calculate the work delivered externally if this is a reversible process. e. if the process is completely irreversible, calculate the amount of entropy change for the process that is due to irreversibilities. f. if the process is completely irreversible, calculate the amount of thermal energy added from an external source and compare this result to the thermal energy calculated in part b. g. for the completely irreversible process, calculate the entropy change due to this thermal energy addition. h. for the completely irreversible process, calculate the total entropy change and compare it to the entropy change in part c.
Answers: 1
A bar of Sam's coconut oil soap has a mass of 121 grams. The rectangular bar is 8 centimeters long,5...
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