Answer:' 02 x 10 (B) 0.58762 X 10-(C) 56874 D))5.68762% 4. (10%) Carry out the following arithmetic operations to the c figures: 66.59 3.113 L. The answer is: (A) 63.477 L(B) 63.48 L (C) 63.480 L (D) 63.4 L Answer: (10%) Give the number ofprotons, neutrons, and electrons Proton: Neutron: 1 1 - Electron:-11 6. (10%) Name the following oxoacid HsPOs Answer:hu Son gws ac 7. (10%) Balance the following equations: (a) NH4NO2 â N2+ H2O "- (b) NaHCO3 â Na2CO3+ H2O + CO2 (c) Cu + HNO3 â Cu(NO3)2 + NO + H2O (d) NH3+ CuOâ Cu+ N2+ H2O 8. (1596) Methanol (CH3OH) burns in air according to the eq 2CHOH + 3O2 â 2CO2 + 4H2O If 209 g of methanol are used up in a combustion process, w 9. (1596) Industrially, vanadium metal, which is used in steel vanadium(V) oxide with calcium at high temperatures: In one process, 1.54 x 103 g of V20s react with 1.96 x 103 g yield of V. (b) Calculate the percent yield if 803 g of V are