Chemistry, 23.07.2019 06:00 shongmadi77
You have a balloon containing 3 l of air at stp in a vacuum chamber. what will the volume of the balloon be when you reduce the pressure to 50 kpa and increase the temperature to 450 k? a) 7.00 l b) 9.89 l c) 0.68 l d) 5.46 l
Answers: 1
Chemistry, 22.06.2019 18:30
Which of the following nuclei would be the least stable a 2 protons, 2 neutrons b 1 proton 1 neutron c 1 proton 3 neutrons d 1 proton 2 neutrons
Answers: 3
Chemistry, 22.06.2019 22:00
Scientists often have to deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 Ć 10-4 millimeters. express each number in an alternate form.
Answers: 1
Chemistry, 23.06.2019 04:30
Two liquids are poured into a beaker. after a few seconds, the beaker becomes warm. which of the following best describes this reaction? a. an exothermic reaction b. a decomposition reaction c. an endothermic reaction d. a single-displacement reaction
Answers: 1
You have a balloon containing 3 l of air at stp in a vacuum chamber. what will the volume of the bal...
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