Chemistry, 28.07.2019 03:30 pandamaknae2003
You have been given a solution containing chloroform and toluene, the concentration of chloroform is specified as 40 mole percent , toluene 60 mole percent. what is the mass percentage of chloroform in this solution ?
Answers: 1
Chemistry, 22.06.2019 19:20
15. which of the following is not human-caused groundwater pollution? a. water in an aquifer dissolves elements such as arsenic and mercury from surrounding rock. b. water in an aquifer is contaminated by leachate that seeps into the ground from a landfill. c. water in an aquifer becomes polluted with chemicals used in hydraulic fracturing, or fracking. d. water in an aquifer absorbs harmful bacteria from the drainage field of a septic tank.
Answers: 1
Chemistry, 23.06.2019 06:40
How many joules of heat are required to raise thetemperature of 750 g of water from 11.0 °c to 19.0 °c?
Answers: 1
Chemistry, 23.06.2019 12:50
Acertain reaction has a activation energy of 54.0 kj/mol. as the temperature is increased from 22c to a higher temperature, the rate constant increases by a factor of 7.00. calculate the higher temperature. c (report only numerical answer)
Answers: 3
You have been given a solution containing chloroform and toluene, the concentration of chloroform is...
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