Chemistry, 30.11.2021 01:40, shouyuanroh3685
A student fills a tray with water and places the tray in the freezer. Three hours later, the student removes the tray from the freezer and makes observations. The student observed that the water is a solid, the water does not flow, the water keeps it shape in any container, and the color of the water changed to white. The student claims that changing the temperature of the water causes a physical change that turns water into ice. Which argument BEST supports the student’s claim?
Answers: 2
Chemistry, 22.06.2019 00:40, eamccoy1
Base your answer on the information below and on your knowledge of chemistry. nitrogen dioxide, no2, is a dark brown gas that is used to make nitric acid and to bleach flour. nitrogen dioxide has a boiling point of 294 k at 101.3 kpa. in a rigid cylinder with a movable piston, nitrogen dioxide can be in equilibrium with colorless dinitrogen tetroxide, n2o4. this equilibrium is represented by the equation below. 2no2(g) n2o4(g) + 58kj at standard pressure, compare the strength of intermolecular forces in no2(g) to the strength of intermolecular forces in n2(g).
Answers: 2
Chemistry, 22.06.2019 07:30, eburnhisel2023
The volume of helium in a blimp is 6.28 x 10^9 millimeters. the density of helium in the blimp is .1786 kilogram/meter^3. find the mass of the helium in the blimp.
Answers: 1
Chemistry, 22.06.2019 19:00, HaydenSturgis1
Which is the solubility product expression for caf2(s)?  [ca2+]/[f–]2  [ca2+][f2–]  [ca]+[f]2  [ca2+][f–]2
Answers: 3
A student fills a tray with water and places the tray in the freezer. Three hours later, the student...
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