Question

1 Identify the type of reaction:
() CH4 (g) + 202 (g) CO2 (g) + 2H20 (g)
Electric current> 2Na (s) + Cl2 (g)
(ii) 2NaCl()
(iii) MnO2 + 4HCI -> MnCl2 + 2H2O + Cl2
bo​

Answer 1

Answer:

1.

2. Combination Reaction

3.

Answer 2

Answer:

A metal cylinder of length 0.05 m having its cross sectional area of

cylinder are kept at 3450 K and 2850 K. Calculate the amount of heat transmitted in 20

minutes from one end at higher temperature to the other end at lower temperature of the 9

cylinder. Given the thermal conductivity of metal cylinder is 419 Wm'k!. [DK-2013] 5.43X/DJ

for n n4 m has one end in boiling water