In every balanced equation, one should find represented on both sides the same number of:

1) atoms; 2) coefficients; 3) isotopes; 4) molecules.

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 p sub shell can hold up to 8 electrons in an atom. true or false?

Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?