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Gasoline has a heating value of 20.0 × 103 Btu/lbm.
How many 10.0 oz colas must Ted drink to produce enough power by turning a crank to light a 100. W lightbulb for the same number of hours that an internal combustion engine running on 1.00 lbm of gasoline with an overall efficiency of 25.0% could light the same bulb?
What is the pH when 100 mL of 0.1 M NH3 is titrated with 50 mL of 0.2 M HCl? pKa of NH4Br is 9.25.
The absorption spectrum of a solution depicts one peak with maximum absorbance at 528nm. Compute the energy which is the transition energy of the light absorbing species of a photon of this wavelength
Calcuate the number of moles of O2 needed to react with 13.2 grams of Fe givven the balanced equation 2Fe2O3 (S)
In clavulanic acid there is a carbon-atom that that has an oxygen-atom, a nitrogen-atom, and a carbon atom attached to it
Sketch the molecular orbitals of the H2- ion and draw its energy-level diagram. Write the electron configuration of the ion in terms of its MOs.
What is the theoretical yield of ethyl chloride in the reaction of 19.1g of ethylene with 51g of hydrogen chloride. (For ethylene: MW=28.0amu, for hydrogen chloride MW=36.5amu
Consider a 1.0-L sample of helium gas and a 1.0-L sample of argon gas, both at room temperature and atmospheric pressure. Answer the following questions: a. Do the atoms in the helium sample have the same average kinetic energy as the atoms in the..
in an industrial process nitrogen is heated to 400kelvin at a constant volume of 1m3.the gas enters a container at 300k and 100atm. the mass of the gas is 92.4kg. use the vander waals equation to determine the approximate pressure of gas
Give a technical explanation as to why AM radio stations are much more susceptible to noise and interference compared to FM radio stations. 2. Modern technology has given us satellite radio. With 100+ stations and availability across the country, it ..
Solid CO2 (dry ice) forms a molecular crystal that sublimes at -78oC. SiO2 forms a network solid that melts at about 1200oC. Which of the following accounts for this striking difference in properties
Explain what volume of oxygen gas, at 533 degrees Celsius and 750torr, could be formed by the decomposition of 38.1g of potassium chlorate. The other product is potassium chloride.
Technetium-99m is used for radioisotope-guided surgical biopsies of certain bone cancers. A patient must receive an injection of 28mCi of technetium-99m 6-12 hours before surgery.
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