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When aluminum is placed in a concentrated hydrochloric acid, hydrogen gas is produced. 2Al (s) + 6HCl (aq) ------> 2AlCl3 (aq) + 3H2 (g) What Volume of H2 (g) is produced when 4.10 g of Al (s) reacts at STP? (Please write and explain the formulas used )
What is the equilibrium partial pressure of N2O4? (atm) (b) Calculate the value of Kp for the reaction. (c) Calculate the value of Kc for the reaction.
Determine the mass of lithium hydroxide producecd when 0.38 g of lithium nitride reacts with water according to the follow equation: Li3N + 3H2O equals NH3 + 3LiOH
An 11.0 gram sample of CaCl2(s) is dissolved in 125 grams of water with both substances at 25.0°C. If the final temperature of the mixture is 39.2 °C.
When a piece of copper wire is placed in a colorless solution of silver nitrate, the surface of the wire becomes coated with a shiny silvery material, and the copper begins to form aqueous copper(II) nitrate, which is blue. Which of the following ..
Draw the structure of the geometric isomer of 2-pentene that has the lower melting point.
calculate the approximate volume of a 0.600 mol sample of gas at 15.0 degrees Celcius and a pressure of 1.10 atm.
Calculate the amount of heat necessary to raise the temperature of 12.0g of water from 15.4 degrees celsius to 93.0 degrees celsius
Sketch a cylinder with ten molecules of helium (He) gas. The cylinder has a movable piston. Label this sketch before. Make an after sketch to represent
A solution of 0.1% sodium dodycl sulfate (SDS) binds so strongly to polypetide chains that one detergent molecule is sufficient to saturate two amino acid residues.
A patient needs 0.004g of a sulfa drug. There are 5.00mg tablets in stock. How many tablets should be given.
What mass of sodium nitrite must be added to 350 mL of water to give a solution with a pH
a 150 ml capsule of h2s gas at 23 degrees celsius is under a pressure of 2000 torr. what volume will this gas sample occupy at 15 degrees celsius and a pressure of .93 atm.
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