Physical Chemistry Answers

0g of aluminum reacts with 18.0 grams of chlorine gas to produce aluminum chloride. Which reactant is limiting, which is in excess? Balanced Equation: 2 Al + 3 Cl2 -> 2 AlCl3

explain why food doesn't spoil as fast when its refrigerated as it would at room temperature

Derive an expression for isothermal reversible expansion of a gas from a volume

V1 to V2.

The reaction between solid white phosphorus and oxygen produces solid

tetraphosphorusdecoxide (P4O10).

a. Write the balanced chemical equation of the reaction. ( 5 points)

b. Determine the mass of tetraphosphorusdecoxide (P4O10) formed if 25.0 g of

phosphorus (P4) and 50.0 g of oxygen (O2) are combined. ( 5 points)

c. How much of the excess reactant remains after the reaction stops? (5 points)

250 ml of solution were prepared by dissolving of 2.3 g of the non-electrolyte in water. Calculate the molar mass of solute if the osmotic pressure of solution at 27^oC is equal to 249 Kpa.

A nitrogen sample has a volume of 6 litres at 35 degrees celsius and a pressure of 0,974.What volume will it occupy at STP

Two applications of the physical chemistry principals to solve problems in food science

List two applications of a physical chemistry principal to food science

Express the standard reaction enthalpy of the reaction, C₂H₆ (g) + 7/2 0₂ (g) --> 2C0₂ (g) + 3 H₂ 0(1). Given the standard enthalpy for formation of C₂H₆, CO₂and H₂O are -84.6, -393.5 and -285.8 kJ mol^-1 respectively.