the pressure of a sample of gas at constant volume is 942 kPa at 338K. what will the pressure be 293k?

Need on both questionswill markbr />

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

Asample of ammonia reacts with oxygen as shown. 4nh3(g) + 5o2(g) 4no(g) + 6h2o(g) what is the limiting reactant if 4.0 g of nh3 react with 8.0 g of oxygen? o2 because it produces only 0.20 mol of no. nh3 because it produces only 0.20 mol of no. o2 because it produces two times less no than nh3. nh3 because it produces three times more no than o2.