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Determine the melting point of ice under a pressure of 4 MPa. Suppose that the density of ice under these conditions is approximately 0.92 g cm-3 and that the density of liquid water is 1.00 g cm-3
Calculate the limiting reactant and maximum amount of alum in moles and grams that can be produced from this synthesis reaction?
Determine the following for a sealed air-free container at the 60Celsius whose liquid phase contains 50:50 mol% of ethanol and water:
A sample which is having 28.2 g of nickel is heated to 99.8oC and placed in a coffee cup calorimeter which is having 150.0 g of water at a temperature of 23.5oC.
Determine the numbers of kilograms of NaIO3 and determine the numbers of kilograms of NaHSO3 must be used to form each kilogram of iodine.
When 4.50 g of this compound is added to 300.0 mL of water, the temperature rises from 18.3°C to 25.8°C. A Styrofoam cup calorimeter is used to calculate the heat of reaction for the dissolu
If this sample is titrated with acid, it is found that 20.10 mL of 0.5010 M HCl are required to reach the endpoint. A sample of mixed carbonates, SrCO3 (147.63 g/mol) andLiCO3 (73.89 g/mol
Calculate the quantitative relationship among the percent dissociation and the concentration of the acid? Determine the percent dissociation in each of the following solutions.
At 100C determine the value of ΔS for the conversion of n = 1 mol of the liquid water and 1 bar pressure into the vapor at the same temperature and a pressure of 0.01 bar. Suppose the ideal b
Determine the volume in the balloon at constant STP. Consider the reaction N2(g) + 3H2(g)<====> 2NH3(g). Suppose you inject 500ml of NH3 (g) into an un inflated balloon and the reverse reaction
Determine the pH of a solution of 100.0 ml of 0.300 MNH3 after the addition of 4.00 g of NH4NO3. Suppose the volume remains constant.
Write down a balanced net ionic equation for the reaction of KmNo4 with the saturated solution of CdC2O4 in the dilute H2SO4.The major products are CO2 and Mn2+ . Explain why is
Suppose 0 Celsius, an atmospheric pressure of 3.0 torr, and an atmospheric composition of the CO2(g). [Lift is given by: mass CO2(g) - mass H2(g)] You wish to explore the surface of Mars in an H2(g)fi
If drug residue is present in the sample the solution turns blue (λmax = 605 nm, ε = 19,200M-1cm-1). A test for drug use involves addition of 5.00mL of colorless reagent
Initially O2 and NO are separated as shown below. When the valve is opened, the reaction quickly goes to completion. Calculate what gases remain at the end and determine the partial pressure of
Ammonia is produced industrially from the reaction of hydrogen and nitrogen. Write down the balanced chemical equation for this reaction, and describe the largest mass of NH3 that could be form
Determine the mass of aluminum oxide reacted if the 385g of Al was formed and the percent yield was found to be 89.3%. Anhydrous aluminum oxide is reduced to the aluminum according to the chemical e
Which is the limiting reactant and determine the maximum mass of sodium carbonate that can be formed, if 68.0 g. of sodium hydroxide and 44.0 g. of carbon dioxide are allowed to react?
Determine the melting temperature at a pressure of P= 1.00x10^3 atm if the heat capacity? Cp,m= 7.98J/K mol and if? Vm=3.10mL/mol. For a protein denaturation the entropy change is 2.31J/K mol at P =1.
Determine the percent by mass of citric acid in the sample. Indicate clearly your calculations and reasoning if 2.135 g of unknown requires 19.90 mL of 0.688 M NaOH for complete neutaliz
Determine the relative population of each level at 2000 K. A certain atom has a triply degenerated the ground level, anon-degenerated electronically excited level at the 850cm-1, and a fivefold dege
At what temperature will 15 percent of the molecule be in the upper state? A certain molecule has a doubly degenerated excited state lying at the 360 cm-1 above the non-degenerated ground state
Calculate the temperature of a two-level system of energy separation equivalent to 300 cm-1 when the population of the upper state is one-half that of the lower state.
A sample of mixed carbonates, Li2CO3 (73.89 g/mol) and SrCO3 (147.63 g/mol), weighed 0.5310 grams. If this sample is titrated with acid, it is found that 20.10 mL of0.5010 M HCl is needed
Suppose 1.74 g of cobalt (II) sulfide was isolated and recovered, what is the weight percent of NaCl in the original sample (3.18 g)?