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Problem- A light bulb draws a steady current of 9.5 x 10-2 A. How many electrons pass through the bulb in 1.00 hr?
Please show all work. Thank you in advance
Suppose 41.19 g of sulfuric acid is mixed with 10.75 g of sodium hydroxide. Calculate the maximum mass of water that could be produced by the chemical reaction.
Problem- Which of the following processes are spontaneous. (Select all that apply.) a soft-boiled egg becoming raw; a book being pushed on a desk; a satellite falling to Earth; a teaspoonful of sugar dissolving in a cup of hot coffee
100 g soil was completely saturated with al3nbsp100 of the cec is occupied with al3.nbsp any excess al3was leached from
Liquid water in the cylinder is initially in equilibrium with it's vapour at tempurature of 12 degrees celsius. Assume no other gases are present. If heat is supplied, the tempurature of the water/vapour mix will rise. At what tempurature will the..
You add an excess of solid MX in 250 g water. You measure the freezing point and find it to be -0.028 degrees celsius. What is the Ksp of the solid. Assume the density of the solution is 1.0 g/cm^3.
A student prepared a solution by dissolving 0.4351±0.0002 g of NaCl (formula mass of NaCl is 58.443±0.002g/mole) in 997.33±0.03ml of water. Then, he accidently added 5.21±0.02ml of water into the solution.
An unknown salt is either NaF, NaCl or NaOCl. While 0.050 mol of the salt is dissolved in water to form 0.500 L of solution, the pH of the solution is 8.08. Which salt is it
A solution is made by dissolving 0.687 mol of nonelectrolyte solute in 797 g of benzene. Compute the freezing point and boiling point of the solution. Constants may be found here.
A student suspected that an unknown was undergoing a chemical change at its melting point. Suggest a simple method for testing the hypothesis.
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.)
solution a hydrogen peroxide usually comes commercially as a 30 ww aqueous solution with a density of 1.106 gml.
calculate the amount of heat required to heat a 46 sample of ethanol from 10.0 to 18.0. specific heat capacity of
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