Chemistry, 05.02.2020 08:58, 2021CanadyRaniya
You begin pouring sodium chloride into a glass of water. for a long time, the sodium chloride just dissolves in the water, but suddenly it begins to pile up at the bottom of the glass. which statement is true? select one: a. the water is unsaturated. b. the sodium chloride has increased the temperature of the water. c. the water is saturated. d. the sodium chloride has decreased the temperature of the water.
Answers: 1
Chemistry, 21.06.2019 22:20, Brooke7644
Calcium hydride (cah2) reacts with water to form hydrogen gas: cah2(s) + 2h2o(l) → ca(oh)2(aq) + 2h2(g) how many grams of cah2 are needed to generate 45.0 l of h2 gas at a pressure of 0.995 atm and a temperature of 32 °c?
Answers: 2
Chemistry, 22.06.2019 15:00, kandi2565
Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?
Answers: 2
Chemistry, 22.06.2019 17:00, smelcher3900
According to the kinetic-molecular theory, what happens to a liquid when it is transferred from one container to another? the volume and the shape stay the same. the volume increases to fill the new container, but the shape stays the same. the volume stays the same, but the shape changes to fit the new container. the volume and the shape change to fill the new container.
Answers: 2
You begin pouring sodium chloride into a glass of water. for a long time, the sodium chloride just d...
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