Agc peak has a retention time tr of 2.6 minutes and a half-width w1/2 of 5 sec. what is n for this gc system? would a gc system with a higher n value be considered more or less efficient?

Which real-world scenarios below represent physical and chemical changes? -running a car -exploding fireworks -mixing water and powdered drink mix -combining oil and vinegar to make salad dressing -taking aspirin for a headache -diluting bleach with water-digesting dinner-spreading peanut butter on bread

Bohr's model could only explain the spectra of which type of atoms? single atoms with one electron single atoms with more than one electron bonded atoms with one electron bonded atoms with more than one electron

What is the mass of 0.46 mol of mgcl2