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When 7 mL of a solution containing 3 M KNO3 is diluted to 21mL, a dilute solution is formed. What is the NO3- concentration in 10mL of the dilute solution?
DO NOT USE UNITS. DO NOT use scientific notation. Report your answer with 3 significant figures.
Explain a solution is to be prepared with a sodium ion concentration of 0.529 mol/L. Explain what mass of sodium sulfate (g) is needed to prepare 1.54 liters of such a solution
A stoichiometrically equivalent amount of Fe2O3
A sample of 1 mol perfect gas molecules with Cp,m equal to 7R is put through the following cycle (a) constant-volume heating to twice its final pressure, (b) reversible adiabatic expansion backs to its initial temperature
Sulfuric acid (H2SO4) is a very strong diprotic acid. If 0.076 moles of sulfuric acid is mixed with water to make 670 mililiter of solution, what is the molarity of H+?
The following gas phase reaction is second order. 2C2H4(g)--->C4H8(g) Its half life is 1.51 min when [C2H4] is 0.250 M. a.What is k for the reaction?
The skeletal structure of one molecule is included to indicate the proper format; modify the X\'s on the given structure to create the first stereoisomer.
At what temperature would the population of the first rotational level of HCl be 1/e times the population of the ground state? Rotational constant for HCl, B, is equal to 10.59 cm-1.
draw the structure of the expected dichlorocarbene adduct of methyl methacrylate. another product could have been obtained. It is the chloroform adduct to the double bond (Michael type reaction). what would this structure look like.
How do you tell zeroth, first, and second orders apart graphically? Like how zeroth is supposed to be linear. Also what are their relationships for consumption and disappearance on the graph
derive an expression for the compression factor of a gas that obeys the equation of statenbsp pv - nb nrt where b and
How much energy in kilojoules is required to convert 100 mL of water at its boiling point from liquid to vapor?
Explain the effect of the following experimental errors on your results: a) You add hexane to the reaction flask instead of 1-hexene b) You use 3% hydrogen peroxide instead of 30% c) You forget to add potassium carbonate in the seperation step.
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