You have 1.2 l of air in a balloon 175 k. what is the new volume of the balloon when it is heated to 245 k

a) 1.68 l
b) 4.3 l
c) 0.857 l

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?

Which metal exist in liquid state and can be cut with knife ?

Some animals that try to adapt to climate changes eventually die due to starvation, as climate change alters the web.