Other Chemistry Answers

Calculate the molar mass of the solute in a solution of 2.47g of a nonelectrolyte in 100 g of acetic acid (CH₃COOH). The solution freezes at 1.3 °C below the normal freezing point of pure acetic acid. (Kf for CH₃COOH = 61.8°C/m)

What are the freezing point and boiling point of a solution that contains 5 g of glycerol (C₃H₈O₃) and 20 ml of water. 

Assuming Raoult’s law applies, calculate the vapor pressure of a solution of 45 g of glucose (C₆H₁₂O₆) in 95 g of water at 25 degrees Celsius

What are the selection rules for vibration-rotation Raman spectra?

The presence of SO² in the atmosphere causes acid rain. What percentage of sulfur is present in S0²(Molar mass=64.07 g/mole)?

How many atoms of gold are there in 7g of a karat gold ring?

It took 2 mins.15 sec for a volume of chlorine to effuse through a pinhole. How long will it take the same volume of water vapour to effuse through the same hole under the same condition of temperature and pressure?

Weak interactions in aqueous solution state and explain 7 points

Self dissociation of water and the pH scale

A cylinder whose volume is 34.0 Liters contains 305 grams if elemental Oxygen at 22 degrees Celsius. How many grams of gas must be released to reduce the pressure to 1.15 atm if the temperature remains constant? Give complete solution.