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A certain elixir is 92 proof. A proof is twice the volume percentage of alcohol in a blend. Ethanol's structural formula is CH3CH2OH with a molar mass of 46 grams/mole. The density is .79 g/ml. How many liters of elixir must one have in order to have 50 moles of carbon?
a sample weighing 25g starts at 99 degrees celsius. it is put in a calorimeter containing 100g water. the water
When each of the following pairs of aqueous solutions is mixed, does a precipitation reaction occur? If so, write the formula and name of the precipitate. (Type "NONE" in the blanks if there is no precipitation reaction.)
A can of jolt cola contains 355ml of soda and weighs 387g. Use CRC handbook find the weight percent sucrose in Jolt. How many grams of sucrose are there in a can of jolt. does that agree with the manifacturer's claim that there are 42.5g of sucros..
Titanium (IV) chloride, TiCl4, can be used to produce titania by the sol-gel method. What mass of ceramic can theoretically be produced from 59g of TiCl4
Find N-H bond energy in ammonia using the standard enthalpies of formation N(g)=472,7kJ/mol, H(g)=216.0kJ/mol, NH3(g)=-46.1kJ/mol
how many grams of CaCl2 should be dissolved in 500.ml of water to make a 0.20m solution of CaCl2
Calculate the pH of the following solution made from .210 M in pyridime (C5H5N) and .350 M in pyridime chloride (C5H5NHCl). Kb: 1/7 x 10^-9
One molecular form of elemental sulfur is a ring of eight sulfur is a ring of eight sulfur atoms. As one molecule of this element is burned to make sulfur trioxide, how many oxygen molecules are used?
the vapor pressure of a solution containing 53.6 g glycerinc3h8o3 in 133.7 g ethanol c2h5oh is 113 torr at 40.0 degrees
In a thermite reaction, powdered aluminum reacts with iron (III) oxide to make aluminum oxide and molten iron What mass of aluminum oxide is produced when 2.3 grams of aluminum reacts with iron (III) oxide
Calculate the pH of a 0.36 M solution of NaHSO4. If solid Na2CO3 is added to a solution of NaHSO4, what reaction occurs between the CO32- and HSO4. ions
calculate the de broglie wavelength of an electron in the ground state of the h atom. show that this wavelength is
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