Chemistry, 25.06.2019 08:10 PlzHelpMeOutKam2693
Apan containing 30 grams of water was allowed to cool from a temperature of 90.0 °c. if the amount of heat released is 1,500 joules, what is the approximate final temperature of the water? a. 76 °c b. 78 °c c. 81 °c d. 82 °c
Answers: 1
Chemistry, 22.06.2019 11:30
Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.
Answers: 3
Chemistry, 22.06.2019 14:30
Select all of the statements which are true. electrons are located in shells or orbits around the atom. electrons orbit slowly around the atom. electrons travel in one flat path around the nucleus of an atom. the valence of an atom is determined by the number of electrons in the atom's outermost shell.
Answers: 1
Chemistry, 23.06.2019 13:20
Use the periodic table to answer the following questions. what is the predicted order of first ionization energies from highest to lowest for beryllium, calcium, magnesium, and strontium? o be > ca > mg > sr o be > mg > ca > sr o ca > sr> be > mg o sr > ca > mg > be done
Answers: 1
Apan containing 30 grams of water was allowed to cool from a temperature of 90.0 °c. if the amount o...
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