At 700k hydrogen and bromine react to form hydrogen bromide. Given kc=5x10^8.calculate the amount of H2,Br2 and HBr St equilibrium. If H2=0.6mole and Br2=0.2
a 12 oz can of soda weighs about 450.0 g how many joules are released when a can of soda is cooled from 25 c to 4 c. which c constant should be used for this calculation
1.104 of impure sample of NaNO2 was acidified and analysed using excess iodide ion. Then I3- was titrated with 0.300 M Na2S2O3
If the titre volume is 29.25cm cube, calculate the % of NaNO2 in the sample
Describe the function of the following:
(i) Gills Block
(ii) Pacemaker in mammalian heart
(iii) Lung surfactant
(iv) Salt glands in marine birds
(v) Neurotransmitter endorphin