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A solution of 2.50 grams of a compound having the empirical formula c6h5p in 25.0 grams of benzene in observed to freeze at 4.3 degree celcius. calculate the molar mass of the solute and its molecular formula.
How many grams of sodium bromide must be added to 309 grams of water in order to prepare a 0.108 molal sodium bromide solution?
Nitrous Oxide N2O is a strong greenhouse gas-effect gas with a global warming potential of 300 times that of carbon dioxide and is a contributor to the destruction of ozone in the stratosphere
the density of liquid water at 0 degrees celsius is 0.9987 grams per centimeter cubed the density of ice at the same
An athlete takes human growth hormone (HGH) that enhances his ability to have the best time of any Olympic marathon runner in history.
The reaction between ethyl iodide and hydroxide ion in ethanol (c2H5OH) solution, C2H5I(alc) + OH -(alc) C2H5OH(l) + I -(alc) has an activation energy of 86.8 kj/mol and a frequency factor of 2.1*10^11 A solution of KOH in ethanol is made up by di..
sodium borohydride reduction experiment write the balanced equation for the reaction and calculae the percent yield
If 3.7 g of butanoic acid, C4H8O2, is dissolved in enough water to make 1.0 L of solution, what is the resulting pH
a 0.573g sample of nonvolatile solute is added to 15.6g of naphthalene and the mixture warmed until melted. the
Hydrogen gas (a potential future fuel) can be formed by the reaction of methane with water according to the following equation: CH4(g)+H2O(g)?CO(g)+3H2(g) In a particular reaction, 26.0L of methane gas (measured at a pressure of 734torr and a temp..
An open flask sitting in a lab fridge looks empty, but we know that actually it is filled with a mixture of gases called air.
The root mean square velocity of argon atoms is found to be 5.67x103 m/s. What is the temperature of the gas
A titration experiment is set up to use .235M bleach (NaOCl) to analyze CrO2^-. If 50mL of the CrO2^-(aq) solution required 28.62mL of bleach to react to completion, what would you calculate as the molarity of the CrO2- solution
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