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Write brief explanatory notes comparing the classical model, Einstein model and Debye model of heat capacity
What is the maximum kinetic energy of an ejected electron if platinum metal is irradiated with 174-nm light? The threshold wavelength for a platinum metal surface is 212 nm.
A student wated 20.000 g of salt. Which balance should the student use in order to obtain the most accurate quantity? A.) a Platform Triple Beam Balance
if you have a five carbon molecule that has an aldehyde group on one end and an oh group on the other and you put it
at 25 C and 1.0 atm, .25 g of a gas dissolves in 1.00L of water. what mass of the gas dissolves in 1.00L of water at 25C and 3.0 atm
A copper refinery produces a copper ingot weighting 150 lb. If the copper is depicting into a wire whose diameter is 8.25mm, explain how many feet of copper can be obtained from the ingot. The density of copper is 8.94 g/cm^3
Write structures for all the structural isomers of double-bonded compounds with the molecular formula C5H10. Of the compounds
If I add 0.495 g of solid calcium in a cup and of 100.0mL of deionized water. What is the inital moles of Ca in the cup
the specific heat of toluene c7h8 is 1.13 jg k. how many joules of heat are needed to raise the temperature of 50.0 g
Platinum metal is used in jewelry. It is as well used in automobile catalytic converters. Explain what is the mass of a cube of platinum 3.19 cm on an edge? The density of platinum is 21.4 g/cm3.
Lethality of Carbon Monoxide, Sulfur Dioxide and TNT Air monitoring provides the following contaminant concentrations at the approximate center of a fire scene in which acres of automobile tires are burning:
question if 9.5 grams of copper sulfate pentahydrate and 2 grams of iron are given calculate which reactant is the
Compute the concentration of [HPO4]2- and [H2PO4]- at pH 5.60 in a solution containing one mol of phosphate per liter (pKas for phosphate: 2.14, 6.86, 12.4)
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