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When a strong base is added to a solution of CuSO4, which is pale blue, a precipitate forms and the solution above the precipitate is colorless. What is the net chemical equation that describes this reaction? Include the phases of all species in the chemical equation.
When ammonia is then added, the precipitate dissolves and the solution turns a deep navy blue. What is the net chemical equation that describes this event? Include the phases of all species in the chemical equation.
Write the structural formula of a compound with an unbranched chain of five carbon atoms that is an alkanal, Consider E/Z stereochemistry of alkenes. Do not show stereochemistry in other cases.
how many moles of solute are present in 700ml of 0.230M SrBr2
replacement compounds for the Freons have gone into production: HFC-134a (chemical formula: CH 2 FCF 3 ) and HCFC-124 (formula:CHClFCF 3 ) In 1991. Determine the molar masses of these two compounds
how many liters of oxygen gas can be produced at STP from the decomposition of 0.250L of 3.00M H2O2 in the reaction according to the chemical reaction shown below 2H2O2(l) ====> 2H2O (l) + O2(g)
Copper metal and zinc metal react differently in the presence of certain acids. For example, while both react with concentrated nitric acid and dissolve completely, only zinc reacts and dissolves in dilute hydrochloric acid.
Hydrogen is collected over water at .975 atm and 28 degrees Celsius. What is the partial pressure of H2?
72.0 mL of a 1.60 M solution is diluted to a volume of 268 mL. A 134-mL portion of that solution is diluted using 139 mL of water.
She weighed an empty 4.3 L bulb, then filled it with the gas at 1.60atm and 23.0 C and weighed it again. The difference in mass was 7.9g . Identify the gas.
How much ice in grams would have to melt to lower the temperature of 358 g of water from 40 degrees to 0 degrees? (Assume that the density of water is 1.0 (g/ml)
Determine the mass of the lead in grams if the water level in a graduated cylinder initially at 224 mL rises to 274 mL after a piece of Pb is submerged?
Calculate the pH at each point indicated in the titration of 100.00 mL of 0.0755 M NaClO2 with 0.0412 M HCl.
alpha-titanium alloy to process into a turbine blade. Based on the fact that the alloy has an HCP crystal structure, what general processing technique
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