Chemistry, 12.11.2020 03:20 lalkjlkeu9709
Which of the following is a hypothesis for an experiment on measuring solubility of sodium sulfate?
a
Sodium sulfate will be added to water.
b
Sodium sulfate is a white powder
c
Sodium sulfate is toxic (poisonous; deadly) to humans.
d
Sodium sulfate will dissolve better in cold water.
Answers: 2
Chemistry, 21.06.2019 18:40
Determine the energy released per kilogram of fuel used. given mev per reaction, calculate energy in joules per kilogram of reactants. consider 1 mole of tritium plus 1 mole of deuterium to be a mole of “reactions” (total molar mass = 5 grams).
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Chemistry, 22.06.2019 18:00
Answer asap need it by wednesday morning carry out the following calculations on ph and ka of from data. i. calculate the ph of 0.02m hcl ii. calculate the ph of 0.036m naoh iii. calculate the ph of 0.36m ca(oh)2 iv. calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 v. calculate ka for weak acid ha which has a ph of 3.65 at 0.30m concentration vi. calculate the ka of a solution made by mixing 15.0 cm3 0.2m ha and 60.0 cm3 0.31m a-. [ph= 3.80] vii. calculate the ph of a solution made by mixing 15.0 cm3 0.1m naoh and 35.0 cm3 0.2m hcooh. [ka = 1.82 x 10-4 m]
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Chemistry, 22.06.2019 21:30
What is happening when the water inside a kettle heats up and begins to boil
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Which of the following is a hypothesis for an experiment on measuring solubility of sodium sulfate?...
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