Aballoon is filled with 0.250 mole of air at 35°c. if the volume of the balloon is 6.23 liters, what is the absolute pressure of the air in the balloon?

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?

Select the correct answer. which statement is true about a polarized object? o a. it gains electrons and becomes negatively charged. ob. it gains protons and becomes positively charged. oc. the number of positive and negative charges can be the same. od. it has to be a metal. o e. there is no change in the distribution of the charge in the object. reset next what

Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?