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Calculate [H3O ], [ClO4-], and [OH-] in an aqueous solution that is 0.110 M in HClO4(aq) at 25 °C. is the solution acidic, basic, or neutral
what is the name of the glassware to which the separatory funnel, boiling flask, and still head was attached during distillation?
What must be the velocity, in meters per second, of a beam of electrons if they are to display a de Broglie wavelength of 83.7 ?m?
Ascorbic acid has a molar mass of 176.14 g/mol . What is the molecular formula of ascorbic acid
student takes 116. g of BaCl2, and reacts it according to the following equation: 3BaCl2 + Al2(SO4)3 → 3BaSO4 + 2AlCl3 How many moles of AlCl3 are formed?
The Gibbs free energy of formation of solid iron (III) oxide is the Gibbs free energy change for the reaction
Calculate the hydronium ion concentration and the pH after the addition of 0.25 mL of 0.10 M HCl to each one.
a cylindrical glass tube 15cm in length is filled with ethanol. The mass of ethanol needed to fill the tube is found to be 9.64g. Calculate the inner diameter of the tube in centimeters. The density of ethanol is 0.789 g/mL
A sample of Neon gas has a volume of 7.50 L and a pressure of 2.30 atm. What is the new pressure if the volume is decreased to 1.50 L at constant temperature?
If 164 mL of wet H_2 is collected over water at 24 C and a barometric pressure of 736 torr, how many grams of Zn have been consumed? (The vapor pressure of water is 22.38 torr.)
how many mol of CO2 are produced for every mol of pentene reacted. The chemical reaction is pentene + oxygen = carbon dioxide + water.
Suppose 50 mL of 0.020 M Hydhrochloric acid solution was mixed to 50 mL of 0.20 M acetic acid solution (Ka of acetic acid, CH3COOH, = 1.8 x 10-5). Determine the approximate pH of the mixture.
Consider the fusion of boron 10 with an alpha particle. The products of the fusion are carbon and a proton. a) Write a nuclear reaction for this process.
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