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The critical constants of ethane are Pc= 48.20 atm, Vc= 148 cm3mol-1, and Tc= 305.4 K. Calculate the van der Waals parameters of the gas and estimate the radius of the molecules.
Determine the volume of a 0.510 M KMnO_4 solution required to completely react with 2.90 g of Zn.
an aqueous solution is prepared by diluting 3.30mL acetone, CH3COH3, (d= 0.789g/mL) with water to a final volumeof 75.0 mL. The density of the solution is 0.993 g/mL. what are the molarity and the molality of acetone in this solution?
How much heat is released by 100.0 mL of a dilute solution of NH4NO3 as it changes its temperature from 22.4C to 19.1C when it is being prepared?
calculate how many moles of the product form when 0.040mol of K completely reacts. Assume that there is more than enough of the other reactant. 4K(s)+O2(g)?2K2O(s)
Ttotal ammonia concentration = 0.400 M. determine What is the concentration of NH 4 + ?
Calculate pH and the concentration of acetate ion resulting from the mixtureof 400ml of 0.1M formic acid and 100ml 0.1 sodium acetate.
Make educated guesses at the pictures for the LGO's for tetrahedral and octahedral. Propose the appropiate pictures for the LGO's symmetry labels for the square pyramidal Cr(CO)5. With your pictures, can you justify the energy levels for the bondi..
Ethylene, C2H4, and water react under appropriate conditions to give ethanol. The reaction is C2H4(g) + H2O(g) C2H5OH(g) An equilibrium mixture of these gases at a certain temperature
Identifying and balancing the different types of chemical reactions. Evaluate which processes represent chemical reactions.
A gas mixture is made by combining 7.9 g each of Ar and Ne and an unknown diatomic gas. At STP the mixture occupies a volume of 18.73 L.
How many grams of CaCO3 are produced when you react 55.2 mL of 0.150 M Ca(NO3)2 with 0.655 grams of Na2Co3?
Suppose that 50.0g of Zinc and 50.0g of Iodine are used to form Zinc (II) Iodide. Answer the following questions: (A) What is the limiting reagent?
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