Очень нужно решить по химии, заранее благодарна❤️ Назовите соединения А и Б, которые получены на первом и втором этапах синтеза, протекающего по схеме:

карбид кальция -> А -> Б -> CH3-CH2Br

Составьте уравнения реакций, необходимых для осуществления данных превращений, указав условия протекания

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?

Particle model to predict what will happen if a sharp object creates a hole in the soccer ball

Anurse used a 0.02-mg/l solution of disinfection to clean a patients wound. what is the concentration of the solution expressed as a percentage?