Chemistry, 20.07.2019 00:30 xcncxgnfxg6487
The vapor pressure of pure ethanol at 60 °c is 0.459 atm. raoult's law predicts that asolution prepared by dissolving 10.0 mmol naphthalene (nonvolatile) in 90.0 mmol ethanol willhave a vapor pressure of atm.
Answers: 1
Chemistry, 23.06.2019 01:00
Who examines and coordinates the cleanup of polluted sites?
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Chemistry, 23.06.2019 01:20
Use the de broglie's wave equation to find the wavelength of an electron moving at 4.5 Ă 106 m/s. show your work. note: h= plank's constant (6.62607 x 10-34 j s)
Answers: 1
Chemistry, 23.06.2019 05:00
Select the statement that describe chemical properties a. antacid tablets neutralize stomach acid b. helium is the lightest monatomic element c. water freezes at 0 celsius d. mercury is liquid at room temperature
Answers: 3
Chemistry, 23.06.2019 11:20
Sandy is building a small toy car. he wants to use a balloon to power the toy car. he fills a balloon with air and then attaches a straw to the balloon. he tapes the balloon-straw combination to the car and then releases the end of the balloon. the toy moves forward as the air from the balloon comes out the back of the straw. what can sandy do to make the toy car move faster? a) use less air in the balloon. b) blow up the balloon more. c) use a longer straw. d) use larger tires.
Answers: 2
The vapor pressure of pure ethanol at 60 °c is 0.459 atm. raoult's law predicts that asolution prepa...
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