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Write a chemical equation for the acid-base reaction hat occurs when p-phentidine is dissolved in HCl. Why is HCl used instead of just plain DI water?
A 10.0 mL sample of aqueous HCl requires 28.5 mL of 0.12 M NaOH to reach the endpoint. What is the molar concentration of HCl? The equation for the reaction is: HCl+NaOH NaCl + H2O
By what percentage does the solubility of lead iodide decrease when dissolved in a solution of 0.02 M ammonium iodide
A balloon filled with helium gas has a volume of 500 mL at pressure of 1 atm. The balloon is released and reaches an altitude of 6.5 km, where the pressure is 0.5 atm.
A 50/50 blend of engine coolant and water (by volume) is usually used in an automobile\'s engine cooling system. If your car\'s cooling system holds 5.80 gallons, what is the boiling point of the solution? Make the following assumptions in your ca..
At a certain temperature, Keq = 150. Calculate the concentrations of Fe 3+ and SCN- in a solution that has an equilibrium FeSCN2+ concentration of 4.5 X 10^-5 M using the equation . Assume the equilibrium concentrations of Fe3+ and SCN- are equal.
Calculate the molarity of each of the following solutions. (a) 23.0 g of ethanol (C2H5OH) in 545 mL of solution (b) 15.4 g of sucrose (C12H22O11) in 74.0 mL of solution
what is the molecular formula of a compound with a percentage composition 26.7 p 12.1 n and 61.2 cl and a molecular
Propane gas, C3H8, reacts with oxygen to produce water and carbon dioxide. Propane has a density of 2.02g/L at room temperature. Express the answer as a chemical equation. Identify all of the phases in the answer.
Determine the activation barrier for the reaction.
What type of interaction does Ultraviolet, Visible, and Infrared regions of the spectrum have with matter?
How much heat is required to raise the temperature of a mole of oxygen from 298 to 3000 K at constant pressure
Identify the relative molar amounts of the species in 0.10 M NaBr(aq). If equal, place the species in the same box. H2O OH- H30+ Br- Na+ NaBr
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