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A total of 2.00mol of a compound is allowed to react with water in a foam coffee cup and the reaction produces 110g of solution. The reaction caused the temperature of the solution to rise from 21.0 to 24.7 C. What is the enthalpy of this reaction? Assume that no heat is lost to the surroundings or to the coffee cup itself and that the specific heat of the solution is the same as that of pure water
The standard heat of combustion of propene, C3h6 g, is -2058kj/molc3h6 g. Use this value and other data from this example to determine ^H for the hydrogeneration of propane to propane
What conceptual error did he make? Determine the correct empirical formula for this compound.
A layer of peat beneath the glacial sediments of the last ice age has a carbon-14/carbon-12 ratio that is 21.0% of that found in living organisms
Calculate the empirical and molecular formulas of a compound, C?H?Cr?, given the following: 1) The compund contains 73.94% C and 8.22% H. The rest is Cr. 2) At 25 degrees celius, the osmotic pressure of a solution containing 5.00 mg of the unknown..
what is the lewis structure for
Solid potassium nitrate is decomposed by heating to give potassium nitrite and oxygen gas. If 1.00g of potassium nitrate is heated, what is the milliliter volume of oxygen gas at STP
can you find out the name and formula of the unknown compound and determine the identity of the element?
Write a balanced chemical equation for the reaction that occurs when metal M reacts with nonmetal X. Include state symbols for the reactants and products.
which of the following undergoes substitution by the sn2 mechanism at the fastest rate?a. 1-bromo-2-methylbutaneb.
The famous Hope Diamond at the Smithsonian National Museum of Natural History wieghs 45.52 carats. Diamond is a crystalline form of carbon.
Create a 5-step procedure you think will work to compare the efficiency of the light emitted by an incandescent light bulb to a fluorescent light bulb.
If you are given a 0.33 g piece of sodium metal to react with water, how many moles of HCl would it take to neutralize the sodium hydroxide produced?
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