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Law constant for CO2 at 38 degrees Celsius is 2.28 x 10^-3 mol/l atm . Calculate the pH of a solution of CO2 at 38 degrees Celsius in equilibrium with the gas at a particular pressure of 3.55 atm.
From the above data, find the number of millimoles of acidic impurites and what is the ratio of acetylsalicyclic acid to other acid impurites?
A 20 mg sample of zinc is heated at 10 K min-1, and the peak on the DSC trace has an area of 0.371 W K. Calculate the latent heat of melting of zinc (in kJ mol-1)?
What is the percent purity of the calcium hydroxide if the titration requires 7.81 mL of the acid to reach the endpoint?
An unknown solution forms a white precipitate when treated with 6 M HCl. The precipitate is incompletely soluble in hot water but dissolves completely in NH3
Identify the most important types of interparticle forces present in the solids of each of the following substances: A) BaSO4 B) H2S C) Xe D) C2H6 E) CsI F) P4 G) NHs
If a 0.10mL volume of oil can spread over a surface of water of about 32.0m^2 area, calculate the thickness of the layer in centimeters. Enter your answer in scientific notation.cm?
Calculating the molecular formula of an organic compound. Worked example, using fundamental formula and balanced equations.
a particle moving 30,816 km/hr has a wavelength of 725 nm. What is the mass of the particle?
The inner and outer surfaces a spherical shell with radii of 1cm and 2cm are 300C and 100C respectively .If the thermal conductivity of the shell is 2w/m.k,determine the heat transfear through the shell.
What is the heat change of H 2 O If the final temperature of the mixture = 25 degree celsius?
Chemistry Questions on Calculate P H
What is the molality of a solution that is composed of 265 g of acetone ((CH3)2CO) dissolved in 177 g of water.
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