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Problem- Determine the molar mass of chloroform gas if a sample weighing 0.389 g is collected in a flask with a volume of 102 cm3 at 97 C. The pressure of the chloroform is .958 atm
I just need a general explanation of it please- Thanks!
When 0.01 M Fe2+ solution and 0.10 M Fe2+ solution are separated by porous disk in the same beaker, calculate the cell potential at 298K.
if 0.500 g of antacid was added to 50.00 ml of 0.100 m hcl and 5.65 ml of 0.100 m naoh was required to titrate the
Consider the two waves, which we will consider to represent two electromagnetic radiations. Wavelength A has a higher frequency (2:1) than the wavelength of B.
State the organic products of each of the following reactions show the structures of the reactants as well as products. If two stereoisomers are formed, demonstrate both and label all sterogenic centres R or S as appropriate.
Finding creative ways to generate energy in a clean manner is an significant area of debate. Define how we obtain energy from nuclear fuel and carbon sources. Which method do you prefer. Why
If you have 100 ml of pure water and add to it 10 ml of 2.0M HNO3, what will be the pH of the final solution
Balance the following redox reaction as it occurs in the basic solution. What are the coefficients for OH^- an ClO^- in the balanced equation? Cr(OH)4^- (aq) _ ClO^- (aq) arrow CrO4^2- (aq) + Cl^- (aq)
The half-life for the reaction at 550 C is 81.3 seconds. How long does it take for 78.5% of a phosphine sample to decompose?
Compute the volume (in mL) of a 0.410 M KOH solution that must be added to 4.250 g of HEPES (MW=238.306 g/mol, pKa = 7.56) to give a pH of 7.36.
Calculate the mass of the deuteron given that the first line in the Lyman series of H lies at 82 259.098 cm-1 whereas that of D lies at 82281.476 cm-1. Calculate the ratio of the ionization energies of H and D.
Calculate the molarity of the ions present in these salt solutions. Assume each salt to be 100% dissociated. Please show all work.
calculate the approximate alkalinity milligrams per litercaco3 for water containing 120 mgl of bicarbonate ionand 15
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