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Problem- Calculate the pH of a solution in which 1.3 g of potassium oxide is dissolved in enough water to make up 1.750 L of solution. Hint: first write a balanced equation that describes the reaction that occurs.
Write solution with complete explanation of required steps
determine how much pv work is done if 80.0 g of c2h4 and 125 grams of hydro chloric acid are permissible to react at
Substitution and elimination reactions are competing reactions. Under what conditions can you ensure that substitution will predominate
Compute the theoretical yield for the product using the limiting reagent, remembering that you are utilizing four aspirin tablets and there is 325 mg of aspirin in each
By definition, which of the following can be broken down into simpler substances?
if the oven uses microwave radiation of wavelength 12.2 cm how many photons of this radiation are required to heat 1.28
A gas-filled balloon having a volume of 5.00 L at 1.2 atm and 25°C is allowed to rise to the stratosphere (about 30 km above the surface of Earth),
Platinum(II) forms many complexes, amond them those with the following ligands. Give the formula and charge of the complex with two ammonia molecules and one oxolate ion(C2O4^2-).
What alkene (including cis and trans isomers) would be produced by the dehydration of the following alcohols? Where possible, predict the relative amounts of each product according to Zaitsev's rule. a. 3-pentanol b. 2-methyl-2-butanol c. 1-butano..
When the two substances reach thermal equilibrium, the final temperature is 24.2 degrees celcius. What is the mass of the copper block?
Elemental analysis of aspartame gives C 57.1%, H 6.2%, N 9.5%, with the remainder of mass accounted for by O. A molecular ion is observed in the mass spectrum at 294 amu. What are the empirical and molecular formulae of aspartame
Consider a voltaic cell which has a copper electrode immersed in a solution of copper (II) sulfate and a zinc electrode immersed in a solution of zinc sulfate. determine Eocell. If the concentration of zinc sulfate is 10 times greater than the con..
The solubility product of Mg(OH)2 is 1.2 x 10-11. What minimum OH- concentration must be attained to decrease the Mg2+ concentration in a solution of MgCl2 to less than 1.0 x 10-9 M.
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