Chemistry, 21.02.2021 15:00 alanis337455p4xzek
1. The equation for the reaction between zinc and aqueous copper(II) sulfate is shown.
Zn + Cuso, β ZnSO, + Cu
Which statement is correct?
a. The oxidation state of the oxidising agent has changed from 0 to +2.
b. The oxidation state of the reducing agent has changed from 0 to +2.
c. The oxidation state of the reducing agent has changed from +2 to 0
d. This is not a redox reaction. The solution changes from colourless to blue.
Answers: 2
Chemistry, 22.06.2019 09:00
Astudent is asked to identify and element that is pale yellow brittle solid and does not conduct electricity. at which location in this periodic table would the element most likely be found?
Answers: 2
Chemistry, 22.06.2019 10:30
Balance and in which category does it fit in? single or double displacement or synthesis or decomposition? (a) k2 o β k + o2 (b) na + i2 β nai (c) cu(no3 )2 + naoh β cu(oh)2 + nano3 (d) kclo3 β kcl + o2 (e) ca(no3 )2 + hbr β cabr2 + hno3 (f) sn(oh)2 β sno + h2 o (g) p4 + n2 o β p4 o6 + n2 (h) fe + al2 (so4 )3 β feso4 + al (i) alcl3 + na2 co3 β al2 (co3 )3 + nacl (j) c3 h6 + o2 β co2 + h2 o
Answers: 1
Chemistry, 22.06.2019 21:30
If you burn 46.6 g of hydrogen and produce 416 g of water, how much oxygen reacted
Answers: 3
Chemistry, 23.06.2019 12:50
Which of these describes the rate of this chemical reaction? h2 + cl2 β 2 hcl a. an increase in the concentration of hcl and h2 with time b. an increase in the concentration of hcl with time c. an increase in h2 and cl2 with time d. a decrease in hcl and cl2 with time
Answers: 1
1. The equation for the reaction between zinc and aqueous copper(II) sulfate is shown.
Zn + Cuso, β...
Social Studies, 20.07.2019 01:00
Social Studies, 20.07.2019 01:00
Social Studies, 20.07.2019 01:00