SOLVED:In the reaction Mg (s) 2 HCl (aq) --> MgCl2 (aq) H2 (g),0.0426 g of magnesium is reacted with excess hydrochloric acid.What volume (in mL) of hydrogen gas is collected if the pressure ofdry hydrogen is 726 mm Hg and the temperature is 22.7 oC?

SOLVED: QUESTION 2 (a) Magnesium reacts with hydrochloric acid to produce hydrogen gas.ΔH°f for HCl(aq) = –167.16 kJ/molΔH°f for MgCl2(aq) = –801.17 kJ/mol(i) Calculate the standard enthalpy change for this reaction.(ii) For this reaction, explain the sign of ΔΔT for the surroundings.(iii) Write the net ionic equation for this reaction.(iv) What type of reaction is this?(v) In our everyday lives, we observe what happens around us using five biological senses. Give the names of the biol