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Need help answering this question. When a multi-stage booster is fired into space, the mass of the booster changes as the fuel is burned during flight. Discuss how the change in mass influences the acceleration of the booster. When should the first stage of the booster be jettisoned (at maximum velocity, maximum acceleration, maximum altitude, or at some other time)? Justify your selection and give your own example of how mass influences acceleration and describe the process as it happens in your example.
Fe(s) + 2HCL(aq)goes to FeCl2(aq) + H2(g) Change in enthalpy is -87.9kJ. How much heat is liberated at constant pressure if .368 g of iron reacts with 18.8mL of 0.568 M HCl?
Explain using the Michaelis-Menten model the reasonsing behind the net effect of an irreversible inhibitor on the enzyme's substrate affinity and rate of product formation?
According to the following reaction, how many moles of oxygen gas are necessary to form 0.221 moles nitrogen monoxide
What mass of ethanol, CH3CH2OH, should be dissolved in 450. g of water to obtain a freezing point of 4.5°C?
a mole of methane assume perfect gas is heated reversibly at atmospheric pressure until its volume doubles. the
A student added three mL of KMnO4 instead of the three drops of 0.1 M KMnO4. How will these affect this results? What do you think will be observed in each solution
ideal gas in 2.0 L what will be the volume of the gas if the pressure on the container is doubled while the temperature is reduced from 400 K to 200 K.
Why does a basketball player driving in and jumping for a "slam dunk" appear to hang in the air at the maximum height of the jump? Is an object projected vertically upward in free-fall? Explain.
Samples containing the isomers cyclohexylmethanol as well as cyclohexyl methyl ether are injected into a carbowax column. Which of these two would have a shorter retention time. Briefly explain why
Consider a 2710-lb automobile clocked by law-enforcement radar at a speed of 85.5 mph (miles/hour). If the position of the car is known to within 5.0 feet at the time of the measurement, what is the uncertainty in the velocity of the car? in mph
Problem- Consider the structures of aspirin and methyl salicylate. Which type of NMR (H or C) would be most useful to distinguish the two molecules? Explain why.
The action of bacteria on meat and fish produces a poisonous compound called cadaverine. As its name and origin imply, it stinks!
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