Chemistry, 03.08.2019 23:00 winterblanco
Which of the following does not involve colligative properties? a. when glucose concentration is greater outside the blood cell than inside the cell, water flows out of the cell. b. ethylene glycol is added to water, and the solution is used to keep ice from forming in a car’s engine. c. snowplows spread salt on cleared roadways during the winter to lower the freezing point of water and prevent melted snow from freezing. d. calcium silicide is added to liquid steel to increase the steel’s ability to freeze.
Answers: 2
Chemistry, 22.06.2019 12:30
Sodium sulfate dissolves as follows: na2so4(s) → 2na+(aq) + so42- (aq). how many moles of na2so4 are required to make 1.0 l of solution in which the na concentration is 0.10 m?
Answers: 2
Chemistry, 22.06.2019 17:00
Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.
Answers: 2
Chemistry, 22.06.2019 19:40
What type of electromagnetic waves does the human eye see as the colors red blue or green a visible light waves b radio waves c infrared waves d microwaves
Answers: 1
Which of the following does not involve colligative properties? a. when glucose concentration is gr...
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