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Your aunt is sipping on iced tea and fanning herself during a hot South Carolina summer day. You tell her that there is enough energy in one drop of her iced tea to run the air conditioner for the rest of her life if the energy could be extracted with 100% efficiency. Your aunt asks you to explain. Use the concepts explain the relationship between forces, energy, and matter.
-Barrett and Drew argue about undiscovered elements. Barrett says he can't wait until we discover element 120 in our environment. Drew argues that we will probably never discover element 120 in our environment. Based on concepts settle their argument. Identify who is probably correct and describe why.
If 4.10 mol calcium carbide (CaC2) reacts with an excess of water, how many moles of acetylene (C2H2) will be produced?
What is the connection between thermodynamics and chemical equlibria. What is the connection between thermodynamics and electrochemical equilibria.
Use the data in the simulation to find the concentration of hydroxide, \rm OH^-, ions in a 0.100 M solution of \rm HOAc , acetic acid.
Describe how to prepare BaSO4 by: a. an acid-base reaction b. a gas-forming reaction, and c. an oxidation-reduction reaction. The available starting materials are ZNCO3, HCl, Cl2, HNO3, Zn(OH)2, NaCl, ZN(NO3)2, and Zn.
The manometer shown below measures the pressure of the water in the tank. Using variables for the densities (no values given), find the gage pressure at point A.
A local AM radio station broadcasts at an energy of 5.84×10-31 kJ/photon.
Write balanced complete ionic equation and a balanced net ionic equation for the following: Express your answer as a chemical equation. Identify all of the phases in your answer.
A quantity of 4.00 102 mL of 0.600 M HNO3 is mixed with 4.00 102 mL of 0.300 M Ba(OH)2 in a constant-pressure calorimeter of negligible heat capacity. The initial temperature of both solutions is the same at 18.76°C. What is the final temperature ..
The combustion of a 1.00 mole of methane, CH4, produces carbon dioxide and water and releases 803 kJ•mol-1 When 3.00 mol of oxygen react with a stoichiometric quantity of methane, what is pH for the reaction?
When 75.0 mL of a 0.100 M lead (II) nitrate solution is mixed with 100.0 ml of a 0.190 M potassium Iodide solution, a yellow-orange precipitate of lead (II) iodide is formed.
the reaction of the Grignard reagent containing more carbon atoms with the carbonyl compound containing less carbon atoms andscheme two involves the reaction of the Grignard reagent containing less carbon atoms
question at 90 oc the vapor pressure of 12-di methylbenzene is 20 kpa and that of 13-dimethylbenzeneis 18 kpa. a what
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