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Answer each question with a minimum of 100 hundred words.
1. Can you think of a few of our modern day technology which would not work without the quantum theory being true?
2. Can larger objects like stones and airplanes flying at a great speed exhibit wave properties?
3. Do you think that it is only the electrons that behave in such a way whereby they could be conceived as waves or particles, or would ordinary matter, strictly speaking, be also considered exhibiting the wave particle duality? How does the wave characteristic of matter differ from the particle characteristic? Can we also envision an atom to be a wave or a particle?
4. What is the heat capacity of water? Could you explain how it relates to the scenario where the ice in a cooler with cold drinks lasts longer than a cooler with warm drinks?
Because an exact outer boundary cannot be measured or even calculated for an atom, how are atomic radii determined? What is the difference between a bonding radius and a nonbonding radius?
what is the density of a block of marble that occupies 306 cm3 and has a mass of 804 g? answer in units of g/cm3.
Explain which of the following aqueous solutions has the strongest ion-dipole attractions: 0.3 M Na3PO4, 0.1 M NiF2, 0.2 M Rb2CO3, 0.01 M Sr(OH)2, , 0.03 M ScBr3.
a saturated solution was formed when 4.40times10-2 l of argon at a pressure of 1.0 atm and temperature of 25 degrees c
Derive an expression for the number of molecules with a speed (c) greater than some specified speed (c'). Recall that the number of molecules having speed in a certain range is the integral under the Maxwell-Boltzmann speed distribution curve ..
The following choices list some common laboratory solvents. In which of these solvents would LiCl be the LEAST soluble
A 1.95 g sample of ascorbic acid is titrated with a 0.89 M red dye. What volume of red dye is required to reach the endpoint. molar mass of red dye= 267.08g/mol; molar mass of ascorbic acid=176.12g/mol
Cesium atoms are the largest naturally occurring atoms. The radius of a Cs atom is 2.62 angstroms? How many Cs atoms would have to be laid side by side to give a row of Cs atoms 1 inch long
In the reaction of lithium, li with nitrogen n2 three lithium atoms react with on nitrogen atom elements lose one electron, atoms of the other element gain three electrons
emitted into the atmosphere. The half-life of krypton-85 is 10.76 years. What fraction remains after 25 years?
how would you prepare 2.500 liters of 1.500 M nitric acid from a stock solution of concentrated (16.05 M)
he uses the combustion of natural gas which is exothermic to heat the water how much natural gas will he need to burn?
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