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Problem- If you were to use a 32.5% ethylenediamine solution and the density of the solution is 0.985 g/ml, what is the mass of the ethylenediamine in 3.4 ml of this solution?
Illustrate structures to prove your interpretation.
Consider two samples of liquid: one mole of water H2O and one mole of ethanol C2H5OH. The density of water is 1.0 g/mL, and the density of ethanol is 0.785 g/mL. Answer each of the following questions by selecting the correct choice.
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
A gaseous hydrocarbon with the empirical formula CH2 was placed in a 2.00L container. At a temperature of 101oC the pressure was 755 Torr and the mass of the hydrocarbon was 1.812g. What are the values of the integer a and b for this molecular for..
Calculate the basic buffer capacity of a solution of 50.00 mL of 0.334 M HC2H3O2 to which is added 50.00 mL of 0.154
When solutions of the compound copper (ii) chloride and zinc nitrate are mixed, does the reaction result to form a precipitate, water, gas, or is there no reaction at all.
A 2.74g lead weight, initially at 10.8Celcius, is submerged in 7.80g of water at 51.9Celcius in an insulated container. What is the final temperature of both substances at thermal equilibrium
what is the solubility in pure water of baio32 in moles per liter at 25 ?c ksp 25 ?c 6.0 ?
The solubility of calcium arsenate (Ca3(AsO4)2, molar mass = 398.078 g) in water is measured to be 0.050 g/L. What is Ksp for this salt
a 25.0 gram piece of ice at 0.0 degrees celsius is added to a sample of water at 8.0 degrees celsius. all of the ice
A 2.90-mol of N2 occupies 75.0 L at 0.95atm and 26 deg Celsius. Explain what volume will be necessary to contain a mixture of 1.45 mol of N2 and 1.45 mol of O2 at the same pressure as well as temperature
it takes 261 kj/mol to eject electrons from a certain metal surface. what is the longest wavelenght of light(nm) that can be use to eject electrons from the surface of this metal via the photoelectric effect?
Propose the structures for hydrocarbons that give the following products on oxidative clevage by potassium permanganate or ozone.
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