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On December 1, 1783 Jacques Charles became the first human topilot a non-tethered hydrogen balloon. He flew the balloon forfifteen miles and stayed in the air for a total flight time of 45minutes. The balloon was made of silk coated with a thin layer ofnatural rubber and had a diameter of 27 feet. He generated thehydrogen gas needed to lift the balloon by mixing a large amount ofiron with aqueous sulfuric acid. If he used 1x10^3 lbs. of iron and excess sulfuric acid, how many liters of hydrogen gas were made? Fe(s) + H2SO4(aq) -> FeSO4(aq) + H2(g)
A 0.0100 molal aqueous solution of a weak acid freezes at -0.0205 oC. Calculate the percent ionization of the weak acid, HA.
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?
If 33.50 ml of a standard 0.1450 M NaOH solution is required to neutralize 17.00 ml of H2SO4, what is the molarity of the acid solution
a sample of oxygen with a pressure of 400 mmhg contains 2.0 mol of gas and has a value of 4.0l. what will the new
Suppose an integral membrane protein diffuses in a cell membrane at a rate of 1.04 square centimeters per 0.09 seconds. Express this rate as an integer with the correct number of significant figures.
what mass of magnesium in reaction with an excess of hydrochloric acid is needed to produce 128 ml of hydrogen h2 gas?
Calculate the order of the reaction with respect to reactant C, the reaction rate constant, the overall order of reaction, and write the rate law for the reaction.
At 700.°C, the total pressure of the system is found to be 3.63 atm. If the equilibrium constant KP is 1.52, calculate the equilibrium partial pressures of CO2 and CO.
If the final solution has a bromide ion concentration of 1.26 M, what was the concentration of the SrBr2 solution? (the volumes are additive) I dont understand how to write the reaction
Calculate the concentration of cadium chloride contaminant in the original groundwater sample. Round your answer to 2 important digits.
Verify the first equality in R (beta(delta e)^2e^Beta(delta e)/[e^Beta(delta e)-1]^2 using the chain rule, and then verify the second equality in the same bolded equation by evaluating the derivative with respect to Beta
When you react ammonia with a halogenated alkane, will you get only one organic product?
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