Chemistry, 18.07.2019 00:30 madelynlittle5399
What is gravity? what is the difference between distance and contact forces? what would be an example of each? describe two factors that are needed to calculate speed. hypothesize what might occur when a positive charged magnet is placed next to a negative charged magnet. what might happen when a positive charge is placed next to a neutral charge? sally is trying to lift a heavy box, but is not strong enough to lift it. would the force that she is applying to the box be an example of an unbalanced force or a balanced force? why?
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Chemistry, 22.06.2019 00:20
What are the spectator ions in 2h+ + so42- + ca2+ + 2r → caso4 + 2h+ + 21?
Answers: 1
Chemistry, 22.06.2019 12:00
Consider the following reaction at equilibrium. 2co2 (g) 2co (g) + o2 (g) h° = -514 kj le châtelier's principle predicts that the equilibrium partial pressure of co (g) can be maximized by carrying out the reaction a. at high temperature and high pressure b. at high temperature and low pressure c. at low temperature and low pressure d. at low temperature and high pressure e. in the presence of solid carbon
Answers: 2
Chemistry, 22.06.2019 13:30
1) which of the following is the best example of a physical change? a) sugar dissolving in tea b) firefly glowing 2) in the combustion of ethane, what is/are the reactants? c2h6 + o2 ==> co2 + h2o a) c2h6 and o2 b) co2 and c2h6
Answers: 2
Chemistry, 22.06.2019 14:30
Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o
Answers: 1
What is gravity? what is the difference between distance and contact forces? what would be...
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