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The distribution coefficient, K = [ether]/[water] is 10 for compound Y. Explain what weight of compound Y would be removed from a solution of 4.0 g of Y in 100 mL of water by a single extraction wit
Suppose that the density and specific heat of the dilute aqueous solution are the same as those of H_2_O and determine the molar hear of solution of potassium hydroxide when 4.21 grams of potassium
Write down a structural formula and give two acceptable IUPAC names for each alkene of molecular formula C7H14 that has a tetra substituted double bond.
A 2.42 gram sample of PCl 5 was placed into an evacuated 2.00L flask and allowed to partially decompose at the 250C. According to this equation:
At 100 degrees Celsius a 22.25g piece of Iron and a 24.20g piece of Gold were dropped into the 770.0mL of water at 16.70 degrees Celsius. The molar heat capacities of iron and gold are 25.19 and 25.
Write down a balanced equation for the reaction that defines the standard enthalpy of formation of CO2 +H2O from C16H32O2 +C6H10O5.
Determine the numbers of grams of table salt would have to dissolved in 125.0 g of water to lower the freezing point by 1.70 degrees Celsius?
A sample which is having 14.1 g of an alloy at 98.0°C is placed into the 141.6g of water at the 22.0 °C in an insulated coffee cup with a heat capacity of 9.2 J/K. If the final temperature o
Arrange the following species in order of increasing standard molar entropy. Explain any reasoning behind these trends.
Aqueous solutions of barium acetate and ammonium phosphate are mixed. In the balanced chemical equation determine the coefficient of the product in which ammonium is the cation?
Determine the final volume of the gas when the pressure of 1.0 L of an ideal gas in a flexible container is decreased to one-fifth of its original pressure, and its absolute temperature is decrease
Determine which is considered to be a process by which the electrons are generally added to bimolecular catabolism or anabolism and you must spell out the answer correctly to receive the credit.
Determine the numbers of kJ are released when the 2.00 g Fe react? Determine the numbers of grams of rust form when 150 kcal are released?
What must you do to interconvert them? The atoms in cis-andtrens-C2H2F2 molecules be rotated in any way so that they can be "permanently" inter converted?
Determine the number of moles of gas present.A sample of nitrogen gas kept in a container of volume 2.8 L and at a temperature of 49°C exerts a pressure of 4.7 atm.
Determine the numbers of grams of ammonium chloride must be added to 100.00 mL of 0.23M NH3 to prepare a pH 8.70 buffer solution?
Calculate the amount of work done in the joules enough isooctane is burned with a stoichiometric amount of oxygen to form the 2.680 kJ of heat
Initially a mixture contains 0.809 mol each of N2 and O2 in an 6.33-L vessel. Discuss the composition of the mixture when the equilibrium is reached at 3900°C. For the reaction below,
Determine the numbers of milliliters of 2.5 M NaHCO3 must be poured on the spill to react totally with sulfuric acid? An auto technician spills 85 mL of 2.6 MH2SO4 so
Determine the number of moles of gas present. A sample of nitrogen gas kept in a container of volume 2.0 L and at a temperature of 55°C exerts a pressure of 4.7 atm.
The reaction caused the temperature of the water to rise from 21.0to 24.70 C. What is the enthalpy of this reaction? A total of 2.00 mol of a compound is allowed to react in a foam coffee cup t
Consider a process in which an ideal gas changes from state 1 to state 2 in such a way that its temp changes from 300K to 200K.
What can be said about the surroundings after the process is reversed? Assume a reversible process is reversed, restoring the system to its original state.
Illustrate the two chair structures of 1,1,2-trimethylcyclohexane. Then calculate the approximate percentage of each isomer that would be present. Make sure to include all the possible energy.
Determine the specific heat of the sample when 13 grams of a sample cools from 56 C to 34.4C it loses 25.8Joules of heat.