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1. Calculate the energy in J required to raise the temperature of 250g of ice from -5.5C to 110C at 1 atm. 2. A aqueous 5L salt solution contains 0.5kg of NaNO3. Calculate the melting point, boiling point, vapor pressure and osmotic pressure of the solution at 25C. Assume density = 1.0g m/L. 3. C3H6 + H2--------C3H8 Keq=7.4 X 10 to the 16th power2M propene gas reacts with 1M hydrogen gas to form propane gas. At equilibrium what concentration of hydrogen remains?
the elemental mass percent composition of malonic acid is 34.63 c 3.87 h and 61.50 o. determine the empirical formula
What is the mass of silver in 3.4 g AgNO3. Show and explain each step and solve.
If 60.0 g of H3PO4 is dissolved in enough water to form 175 mL of solution, what is the molarity (M) of the solution
Determine the mass of CuSO4 · 5H2O that must be used to prepare 250 mL of 0.88 M CuSO4(aq).Answer in units of g.
Calculate the pH during the titration of 29 mL of 0.2 M HNO3(aq) with 0.15 M NaOH after 10 mL of the base
A 50.0 mL sample of vinegar (density = 1.06 g/mL) was diluted to 500.0 mL. Titration of a 50.0 mL aliquot of this solution required 42.5 mL of 0.0900 M NaOH to reach the end point. Determin the acid content of the vinegar as wt. % acetic acid.
For each solution, determine the number of moles of HAn and of An- ion at equilibrium. For each solution, caluate the HAn and An- ion molar equilibrium concentrations. Determine the reciprocal of the An- ion concentration for each solution.
Butane lighters work very poorly outdoors in the cold weather. If 12.7 mL of butane gas is released from a lighter at 22 degrees celcius, what volume would the same amount of butane occupy at 11 degrees celcius?
The best design for rockets is one in which both fuel materials run out at the same time to minimize excess mass. If the total mass of both components in a decaborane/oxygen rocket must be 1.951E+6g, what mass of liquid oxygen should be used
HCL and heat to do the normal lab, if the solubities of reactant and product were reversed thou , how would the isomerization be followed. How would one knows when it is complete
Determine the dimensions for a 9-foot deep vertical-wall reservoir with a design flow rate of 13.5 cfs entering the reservoir. The reservoir should be designed to hold stormwater for 30 minutes before overflowing into a stormwater channel. The l:w..
The temperature of water decreases on the dissolution of NH4NO3. From this observation, we can conclude that the solution process would be best described as
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