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Some people have argued that rocket engines will not work because the gaseous products of said engine, pushing against a vacuum of space, do not perform any work, therefore the engine will not propel anything. Refute this argument. (Hint: consider newton's third law of motion.)
Write an equation for the Diels- Alder reaction of cyclopentadiene and 1,4 benzoquinone.
evaporated the water from NaOH extracts prior to adding acid?
what is the percent Zn in the mixture? (At the same temperature and pressure, the Mg/HCl reaction gave 24.2 L gas/mol Mg.)
nbspa solution of 6.05 m of an acid hx has a density 0.892 gml. molar mass of the acid hx 2.00 gmol. find out the
The oxidation of nitrogen monoxide gas by molecular oxygen to form nitrogen dioxide gas is reversible and exothermic. Predict the effect of each of the following changes on the position of the equilibrium and a relative change in Kc.
q1.if 21.64ml of 9.44times10-4m kmno4 solution is required for the titration calculate how many mgs of ca2 are present
A solution of calcium ions contains 7 meq/250. cm3 of calcium ion. How many moles of calcium ion does this solution contain
Calculate the mass percent composition of carbon in each the following carbon compounds. Express your answer using 4 significant figures. C4H10 C6H10 C8H13O5N
The balance used to measure the mass of the metal reads low (for example, it reads 19.4 g instead of an actual 19.7 g). How will this error, due to miscalculation of the balance, affect the reported specific heat value for the metal. Explain.
The volume of KHC2O4 solution required to reach equivalence is 26.7 mL. What is the concentration of the original KOH solution. What specific observation identifies the endpoint of the titration
(a) Given that the molar mass of H3PO4 is 97.994 grams, determine the number of grams of H3PO4 needed to prepare 0.35L of a 1.25M H3PO4 solution. (b) What volume, in Liters, of a 1.25 M H3PO4 solution can be prepared by diluting 50 mL of a 4.5M H3..
A gas stream that contains 1.50 mole% CO2 flows through a pipeline. 20.0 kg/min of CO2 is injected into the line. A sample of the gas is drawn from a point in the line 10 meters downstream of the injection point and found to contain 2.3 mole% CO2.
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