I NEED HELP WITH CHEMISTRY WILL GIVE 70 POINTS FOR THESE 10 QUESTIONS!! CORRECT ANSWERS ONLY MUST SHOW WORK

question number 10 is

10. How much pressure would 4.85 moles of the gas exert in a 450 L tank at 55° C?

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?

Which of these sequences lists the correct order for the creation of sedimentary rock from sediment? a. deposition, burial, compaction, cementation b. burial, deposition, compaction, cementation c. compaction, deposition, burial, cementation d. cementation, deposition, burial, compaction

What does a complete balanced chemical equation include? a. exothermic coefficients b. endothermic coefficients c. valence electrons d. molar coefficients