Chemistry, 14.10.2020 19:01 spellsaltoniza

12. A student was given a few grams (an excess) of powdered zinc and a beaker half filled with aqueous copper(ll) sulfate.
(a) Describe the appearance of
(i) solid zinc,
(ii) aqueous copper(II) sulfate.
[2]
Olfoto
romotion
Occurred

Answers: 2

Show answers

Other questions on the subject: Chemistry

Chemistry, 21.06.2019 22:30, kiki197701

Agas at 155 kpa and standard temperature has an initial volume of 1.00 l. the pressure of the gas rises to 500 kpa as the temperature also rises to 135°c. what is the new volume? 2.16 l 0.463 l 0.207 l 4.82 l

Answers: 3

continue

Chemistry, 22.06.2019 10:30, scott5315

Consider the following reactions. (note: (s) = solid, (l) = liquid, and (g) = gas.) mg(s) + ½o2(g) → mgo(s) + 146 kcal/mole h2(g) + ½o2(g) → h2o(g), δh = -57.82 kcal/mole what type of reaction is represented by the previous two examples?

Answers: 3

continue

Chemistry, 22.06.2019 14:30, Tooey2331

1) describe the physical layout of the ocean floor ? 2) explain how the dumbo octopus swims differently than other octopus species and why this would be an advantage in the aphonic zone . 3) why are the types of organisms that live at each underwater hot vent so dramatically different ?

Answers: 3

continue

Chemistry, 22.06.2019 16:30, montanolumpuy

How many moles of sulfuric acid (h2so4) are needed to react completely with 6.8 moles of lithium hydroxide (lioh)? 2lioh + h2so4 → li2so4 + 2h2o a. 3.4 mol h2so4b. 6.8 mol h2so4 c. 10.2 mol h2so4 d. 13.6 mol h2so4

Answers: 3

continue

You know the right answer?

12. A student was given a few grams (an excess) of powdered zinc and a beaker half filled with aque...