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Question: Silver can be electroplated at the cathode of an electrolysis cell by the half-reaction:
Ag+(aq) + e- ? Ag(s)
What mass of silver would plate onto the cathode if a current of 5.9 A flowed through the cell for 71 min, in grams?
A pound of coffee beans yields 50 cups of coffee (4 cups = 1 qt). How many milliliters of coffee can be obtained from 8 g of coffee beans?
Provided you have sets of initial rate data for enzyme and substrate, explain using words and appropriate equations how to
How do you know if there should be a precipitate or not. What is the chemical formula for the possible precipitate. Look in your textbook for any necessary equilibrium constants.
Use the Heisenberg uncertainty principle to calculate the uncertainty (in meters) in the position of a honeybee weighing 0.67 and traveling at a velocity of 0.80
A graduated cylinder contains 24.7 ml of water. After adding 32.56 grams of a solid the volume reading of the cylinder reads 38.9 ml. The numerical value of the density (assuming proper units) of the metal is
If the sample contains a combined total of 1.50 mol and has a total mass of 45.0g, what are the percentages of CO2 and Ne in the sample by mole?
What concentration of CH3NH3Br is necessary to prepare a pH = 10.00 buffer solution assuming the base concentration is 0.69 M (Kb for CH3NH2 = 4.4 x 10-4). For this problem, include the correct units of M.
Z- is a weak base. An aqueous solution of NaZ is prepared by dissolving 0.350 mol of NaZ in sufficient water to yield 1.0 L of solution. The pH of the solution was 8.93 at 25.0 °C
Can you name me 2-3 scientific problems in chemistry and their continuous mathematical models
A sample of air at 15 psi is compressed at constant temperature from 555ml to 275ml. Calculate the resulting pressure.
Write the balanced chemical reaction for the reaction between hydrochloric acid (HCl) and calcium hydroxide, Ca(OH)2 when the products of the reaction are calcium chloride, (CaCl2) and water (H2O)
Under certain conditions, mixing furan with maleic anhydride in diethyl ether yields a crystalline solid wth a melting point of 114C. When melting point of this compound takes place
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