Physical Chemistry Answers

A mixture containing C₂H₅Cl, HCl, C₂H₆, and Cl₂, all at an initial partial pressure of 1.27 atm, is allowed to achieve equilibrium according to the equation below. At equilibrium, the partial pressure of Cl₂ is observed to have increased by 0.11 atm. Determine K_p for this chemical equilibrium. Report your answer to 3 significant figures in scientific notation.

Discuss the attributes to go for reverse osmosis and electrodialysis for purification of water for a specific purpose.

An element X with atomic number 29 has two isotope Y and Z. Isotope Y and Z have 34 and 38 neutrons respectively. Calculate:

(a) Mass of each isotope and write their nuclear symbols.

Constituents, their function and side/toxic effects of tooth powder

What is fuel? Explain

How to calculate speed of light

Construct a table with the headings q, w,ΔE, and ΔH. For each of the following processes, deduce whether each of the quantities listed is positive (+), negative (— ), or zero (0). (a) Freezing of benzene. (b) Compression of an ideal gas at constant temperature. (c) Reaction of sodium with water. (d) Boiling liquid ammonia. (e) Heating a gas at constant volume. (f) Melting of ice

13. A heliox breathing mixture of oxygen and helium is prepared for a patient with chronic obstructive pulmonary disease (COPD). The gas mixture has a total pressure of 7.00 atm. If the partial pressure of the oxygen in the tank is 1140 mmHg, what is the partial pressure, in atmospheres, of the helium in the breathing mixture

when add 2ml of Na2So4 in to 1ml of acidified Bacl2 solution, what observation can be obtained

When 50 ml water sample titrated against 0.02 N HCl acid using phenolphthalein

indicator, the titration reading was 24.2 ml. After boiling 100 ml of the same sample using

methyl orange indicator, the titration value was 28.2 ml. Calculate permanent and total hardness.