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What is a lithium-ion battery?
What is a nickel-cadmium battery?
Why do you think Boeing picked the lithium-ion battery? Put yourself in the place of a Boeing engineer, what are the risks vs. benefits of using this type of battery?
Obviously, the Boeing engineer selected the lithium-ion battery based on their risk assessment. In your opinion, do you feel they made the right decision? Explain.
Sulfur, S8, combines with oxygen at elevated temperatures to form sulfur dioxide. If 192 oxygen molecules are used up in this reaction, how many sulfur molecules reacted
A 400ml sample of gas at 10 degrees celsius is warmed to 25 degrees celcius at a constant pressure. Calculate the final volume.
C3H8O3 (density=1.26 g cm-3) is added to a kilogram of water. What is the mole fraction C3H8O3 in the solution?
If the temperature changes to 81c with no change in volume or amount of gas, what is the new pressure,P2 , of the gas inside the container. Express the pressure numerically in torr.
Its volume in the liquid state is 1.00 cm3 and its volume in the vapour state is 1671 cm3. Find the work done by expansion due to evaporation and the change of internal energy of the system.
H--C(triplebond)C--H Acetylene. The overall rate law for the polymerization is first order with respect to both acetylene and the catalyst used for the reaction. What, therefore, is the slowest step of an addition polymerization: initiation, propa..
NMR of D exhibits resonance at -4 ppm. - On heating D, a flammable gas and A are formed. - Reaction of C with CH3I affords white solid E whose proton NMR shows a single resonance around 0.2 ppm. Identify A-E.
Question- By titration it is found that 80.1 mL of 0.114 M NaOH(aq) is needed to neutralize 25.0 mL of HCl(aq). Calculate the concentration of the HCl solution
a small crystal of i2 is often used to clean the surface of themagnesium metal in the syntheses of grignard reagents.
gluconeogenesis shares some but not all enzymes with the glycolytic pathway. it would appear to be more efficient if
Basically it is an immobilized form of p-toluenesulfonic acid, an organic-substituted sulfuricacid. Explain what advantage does this catalyst have over using concentrated sulfuric acid
Myoglobin, an iron- as well as oxygen-binding protein found in the muscle tissue of vertebrates, is 0.316% Fe by mass. If a myoglobin molecule containsone iron atom, explain what is the molar mass of myoglobin
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