Chemistry, 17.07.2019 21:40 villafana36

Which quantity or quantities must always be the same on both sides of a chemical equation? check all that apply. check all that apply. the number of atoms of each kind the number of moles of each kind of molecule the sum of the masses of all substances involved the number of molecules of each kind?

Answers: 1

Show answers

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 05:00, mahhvelousg97

You mix the pks of succinic acid are 4.21 and 5.64. how many gramsa graduate student at sdsu wants to measure the activity of a particular enzyme at ph 4.0. to buffer her reaction, she will use a buffer system based on one of the acids listed below, which acid is most appropriate for the experiment? of monosodium succinate (fw = 140 g/mol) and disodium succinate (fw = 162 g/mol) must be added to 1 l of water to produce a solution with a ph 5.28 and a total solute concentration of 100 mm? (assume the total volume remains 1 liter, answer in grams monosodium succinate, grams disodium succinate, respectively.) volumes of 0.05 m nah2po4 and 0.05 m na2hpo4 (pk's for phosphoric acid are 2.15, 6.82 and 12.38). which of the following best describes the resulting solution?

Answers: 2

continue

Chemistry, 22.06.2019 23:30, emmalado45

If it is an isoelectronic series select true, if not select false. o2-, s2-, se2-, te2- na+, k+, rb+, cs+ n3-, p3-, as3-, sb3- ag, cd+, sn3+, sb4+ f-, cl-, br-, i- f-, ne, na+, mg2+ s2-, s, s6+

Answers: 1

continue

Chemistry, 22.06.2019 23:30, znewkirk4741

Imagine a small synthetic vesicle made from pure phospholipids enclosing an interior lumen containing 1 mm glucose and 1 mm sodium chloride. if the vesicle is placed in pure water, which of the following happens faster? a. na+ diffuses out. b. cl– diffuses out. c. h2o diffuses in. d. glucose diffuses out. e. sodium chloride diffuses out.

Answers: 3

continue

Chemistry, 23.06.2019 06:40, Taylor73836

4786 joules of heat are transferred to a 89.0 gramsample of an unknown material, with an initialtemperature of 23.0°c. what is the specific heat of thematerialif the final temperature is 89.5 °c?

Answers: 1

continue

You know the right answer?

Which quantity or quantities must always be the same on both sides of a chemical equation? check al...