Chemistry, 30.08.2019 03:20 Bgreene2377
A2. answer each of the following: (i) explain using vsert the difference in geometries of co2 and h20. [4 marks] (ii) write the electronic configuration for mg, f and fe2+. [6 marks] (iii) zn(s) + cuso4 (aq) znso4(aq) + cu(s) (a) identify which components in the above reaction are oxidised and which are reduced. explain your answer. [5 marks] (b) if the reaction as shown is spontaneous which metal is the anode and which is the cathode? [3 marks] (iv) in an electrolysis reaction, how long will it take to deposit 1.7 g of silver metal if the system works at 3 amps? [4 marks] (v) calculate the ph of a 500 ml solution of 0.0854g naoh at 25 °c. [3 marks]
Answers: 1
Chemistry, 22.06.2019 09:00
Chemical energy is a form of a. kinetic energy only. b. both potential and kinetic energy. c. neither potential nor kinetic energy. d. potential energy only. reset
Answers: 1
Chemistry, 22.06.2019 10:30
Apiece of metal with a length of 1.42 cm was measured using four different instruments. which of the following measurements is the most accurate?
Answers: 3
Chemistry, 22.06.2019 19:10
How does the atmosphere to make earth livable? check all that apply. causes the seasons contains oxygen provides warmth creates important nutrients blocks harmful energy from the sun plz like !
Answers: 2
Chemistry, 22.06.2019 20:30
Some familiar products contain some of the same types of atoms. for instance, the chemical formula for baking soda is nahco 3. the chemical formula for liquid bleach is naclo, and the chemical formula for table salt is nacl. which choice best describes why these three products have some of the same types of atoms in common?
Answers: 1
A2. answer each of the following: (i) explain using vsert the difference in geometries of co2 and h...
Mathematics, 26.02.2020 05:17
Social Studies, 26.02.2020 05:18
History, 26.02.2020 05:18
Biology, 26.02.2020 05:18
Mathematics, 26.02.2020 05:18
English, 26.02.2020 05:18
History, 26.02.2020 05:19