A gas sample has a volume of 25.0 milliliters at a temperature of 75.0°C and 1.00 atmosphere of
pressure. What will be the final temperature of
the gas (in degrees Kelvin) i the volume
increases to 50.0 milliliters and the pressure
remains constant.

Apeak with a retention time of 407 s has a width at half-height (w1/2) of 7.6 s. a neighboring peak is eluted 17 s later with a w1/2 of 9.4 s. a compound that is known not to be retained was eluted in 2.5 s. the peaks are not baseline resolved. how many theoretical plates would be needed to achieve a resolution of 1.5?

The is a particle with one unit of positive charge a. proton b. positron c. electron d. nucleus awnser quick it is a important science test!

Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution?