Chemistry, 20.05.2021 05:50 NNopeNNopeNNope
500.0 L of gas are prepared at 0.921 atm pressure and 200.0°C. When the tank cools to 20.0°C, the pressure is 30.0 atm. What is the volume of the gas under these conditions?
Answers: 1
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Adrop of acetone (nail polish remover) has a mass of 35 mg and a density of 0.788 g/cm3. what is its volume in cubic centimeters?
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An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.
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Complete each row of the table below by filling in the missing prefix or missing exponent.
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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]
Answers: 1
500.0 L of gas are prepared at 0.921 atm pressure and 200.0°C. When the tank cools to 20.0°C, the pr...
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