Which machine will u use to do the following work ? write their types 1) to cut vegetables.
2) to draw water from a well
3). to hold a papas for tasting it

In a sample of oxygen gas at room temperature, the average kinetic energy of all the balls stays constant. which postulate of kinetic molecular theory best explains how this is possible?

The balanced chemical equation for this lab is: 3cucl2(aq) + 2al(s) 3cu(s) + 2alcl3(aq) if 10.5 g copper chloride react with 12.4 g aluminum, what is the limiting reactant?

What is the percentage of hydrogen in nitrogen trihydride