Chemistry, 05.09.2020 16:01 meowmeowcow
PLEASE HELP! (I'm in doubt) Hydroxides and oxides are all insoluble except group 1 and ammonium oxides and hydroxides. Calcium and barium hydroxides are sparingly soluble. Is this statement correct?
Answers: 1
Chemistry, 22.06.2019 10:00
How many mmols of tris-hcl are there in 100 ml of a 100 mm tris-hcl buffer solution at ph 8.1? note that the 100 mm refers to the sum of tris and tris-hcl concentrations?
Answers: 3
Chemistry, 22.06.2019 16:00
Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy
Answers: 1
Chemistry, 22.06.2019 23:50
Be sure to answer all parts. the following equilibrium constants were determined at 1123 k: c(s) + co2(g) β 2co(g) k'p = 1.30 Γ 1014 co(g) + cl2(g) β cocl2(g) k''p = 6.00 Γ 10β3 calculate the equilibrium constant at 1123 k for the reaction: c(s) + co2(g) + 2cl2(g) β 2cocl2(g) 4.68 Γ 10 9 (enter your answer in scientific notation.) write the equilibrium constant expression, kp:
Answers: 3
PLEASE HELP! (I'm in doubt)
Hydroxides and oxides are all insoluble except group 1 and ammonium oxi...
Chemistry, 03.01.2020 02:31