50cm3 of 1.5M ammonia solution were shaken with 50cm3 of Chloroform in separating funnel. After allowing the layer to settle 20cm3 of the chloroform
layer were with drown and titrated with 1/20M hydrochloric acid. 22.9cm3 of the
acid were required for neutralization,
Find the partition coefficient of ammonia between water and chloroform at
temperature of the experiment

The 5-kg cylinder is initially at rest when it is placed in contact with the wall b and the rotor at a. if the rotor always maintains a constant clockwise angular velocity v = 6 rad> s, determine the initial angular acceleration of the cylinder. the coefficient of kinetic friction at the contacting surfaces b and c is mk = 0.2.

You are a sales representative for a company that makes a new alternate fuel for vehicles. you have prepared a presentation for the environmental engineers to sell your new product. what question do you expect the audience to ask regarding whether the new fuel will cause less damage to the environment? a. do we have to change any parts of the vehicle to use this alternate fuel? b. will the vehicles get better fuel mileage with the alternate fuel? c. how much greenhouse gas does your fuel produce compared with current fuel sources? d. is the alternate fuel more expensive than fossil fuel?

You can decrease the resistance of a length of wire by