Chemistry, 25.04.2020 03:23 kylahnicolewebb
What is the molality of a solution containing 18.2 g HCl and 0.250 kg H2O?
Answers: 2
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Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.
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What happens to the average kinetic energy of a gas when the particles of the gas collide against each other at a constant temperature and volume? explain your answer.
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Which statement explains why the bonds between non metals tend to be covalent? the bonds are found to be nondirectional they have large differences in electronegativity they have small differences in electronegativity they have ions that produce an electrostatic pull
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What is the molality of a solution containing 18.2 g HCl and 0.250 kg H2O?...
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