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Hydrogen gas was collected by downward displacement of water. A volume of 0.600 L of gas was collected at 25.0 °C and 740.0 torr. What volume will the dry hydrogen occupy at STP? The vapor pressure of water is 21.2 torr at 25.0 °C.
How does a solution of two volatile components with strong solute-solvent attractions deviate from Raoult's law?
An iron (II) complex of the formula FeL5 2+ might have either square pyramidal or trigonal bipyramidal geometry. Would it be possible to differentiate between these geometries on the basis of a magnetic susceptibility? How would the number of unpa..
What is the value of the equilibrium constant at this temperature for the reaction of SO2 with N2O to form SO3 and N2 (balanced with lowest whole-number coefficients)?
Calculate the root-mean-square speed of Ne atoms in m/s. My main problem is in converting the average kinetic energy of NH3 at 70 C to average kinetic energy of NH3 at 68 C?
Need to prepare a solution of 0.2 L 0.4 M then determine how many cm^3 of a solution of H2SO4 (sulfuric acid) 80.0%
2 liquids, A and B, have the same molecular weight. Samples of each are placed on temperature probes and allowed to evaporate. After a period of time Liquid A had a change in temp
The activation energy of a certain reaction is 77.3 kj/mol. How many times faster will the reaction occur at 41 degrees celcius than at 0 degrees celcius?
A student determines the mass of a bone to be 23.3751g. A 50 mL graduated cylinder contains 30.3 mL of water. When the bone is placed in the water-filled cylinder,
An interstitial allow was prepared from two metals. Metal A with the larger atomic radius has a hexagonal closest-packed structure. What is the formula of the alloy if atoms of metal B occupy the following?
the reaction of copper(I) sulfide with oxygen gas as follows: Cu2(s) + O2(g) ? 2Cu(s) + SO2(g) If 0.330 kg of copper(I) sulfide reacts with excess oxygen, what mass of copper metal may be produced
MgNH4PO4 6 H2O loses H2O stepwise as it is heated. Between 40 and 60 C the monohydrate is formed, and above 100 C the anhydrous material is formed. What are the phosphorus percentages of the monohydrate and the anhydrous material?
A system comprised of chloroform, 1,4-dioxane, and ethanol exists as a two-phase vapor/liquid system at 50 degrees C and 55 kPa.
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