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What volume of 0.08892M HNO3 is required to react completely with 0.2352 g of potassium hydrogen phosphate?
2HNO3(aq) + K2HPO4(aq) ? H2PO4(aq) + 2KNO3(aq)
A voltaic cell is constructed by immersing a strip of silver in a 1.0M AgNO3 solution and a strip of cadmiun metal in a 1.0M Cd(NO3)2 solution. The circuit is completed by a wire and a salt bridge in the usual way. Write the balanced overall cell ..
In the titration of 25.00 ml of a water sample it took 20.990 ml of 3.705x10-3 M EDTA solution to reach the endpoint. Compute the number of moles of EDTA required titrating the water sample. Enter your answer with three significant figures
The active ingredient in aspirin is acetylsalicylic acid, HC9H7O4, a monoprotic acid with Ka = 3.3 x 10-4 at 25°C. What is the pH of a solution obtained by dissolving two aspirin tablets, each containing 325 mg of acetylsalicylic acid in 100. mL o..
compounds like are known as chlorofluorocarbons. these compounds were once widely used as refrigerants but are now
The first-order rate constant for the gas phase decomposition of dimethyl ether is 3.2 x 10-4s-1at 450 °C. The reaction is carried out in a constant volume container. Initially only the reactant, dimethyl ether, is present and the pressure is 0.312 a..
How much water does 15.0 grams of iron(II) nitrate octahydrate lose when converted to its anhydrous salt?
Complete the following reactions and state the dominant mechanism where indicated: (1S,2S)-1-bromo-1,2-diphenylpropane + NaOCH3 Methanol
A certain atom is bombarded with a neutron and changes into Lithium 7. What was that atom? (It is a fission reaction)
Show the cycle on a T-s diagram with respect to saturation lines, and determine (a) the thermal efficiency of the cycle and (b) the mass flow rate of the steam.
Problem- State the kind of intermolecular forces that would occur between the solute and solvent in olive oil (nonpolar).
What is the uncertainty in the energy of the excited state. What is the percentage uncertainty if the energy is measure from the ground state
Liquid helium at 4.20 K has a density of 0.147 g/mL. Suppose that a 1.50 L metal bottle at 110 K contains air at 3.0 atm pressure. If 50.0 mL of liquid helium are added to the bottle
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