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If 1.23g of chlorine gas dissolves in 0.95L of water at 15.6 psi, at what pressure would you be able to dissolve 1.89g in the same amount of water?
Hydrazine, N2H4, is used as a rocket fuel. In the reaction below, if 80.1 g of N2H4 and 92.0 g of N2O4 are allowed to react, which is the limiting reactant?
A student measures the volume of water delivered by a 1 mL volumetric pipette several times and records measurements of 1.00, 0.97, 1.03, 1.01 and 1.03 mL. What is the average of the five measurements. Report your answer to 5 significant figures a..
Borane forms complexes with sulfides and amines. Draw a suitable structure to represent the complex formed between BH3 and dimethyl sulfide
Formic acid (HCO2H, Ka=1.8X10^-4) is the principal component in the venom of stinging ants. What is the molarity of a formic acid solution if 25.00 mL of the formic acid solution requires 29.80 mL of 0.0567 M NaOH to reach the equivalence point
Why does the addition of the NO2+ to the acidic solution of acetanilide need to be performed at a cold temperature? What product(s) would form if the temperature is not kept cold
How much heat is required to change one gram of ethanol ice at 144 degrees C to ethanol vapor at 78 degrees C.
Hydrogen gas was collected by downward displacement of water. A volume of 0.600 L of gas was collected at 25.0 °C and 740.0 torr. What volume will the dry hydrogen occupy at STP? The vapor pressure of water is 21.2 torr at 25.0 °C.
Using Tables from the book when needed, determine the volume of 0.280 M NaOH needed to reach the equivalence point in the titration of 41.1 mL of 0.343 M HNO2
An equilibrium mixture at 395o C contains 0.012 M CO and 0.025 M Cl2. at this temperature Kc is 1.23 x 103. What is the equilibrium concentration of COCl2 for this equilibrium mixture?
Mixtures of helium and oxygen are used for scuba diving. For a particular dive, 46 liters of O2 at 25 degrees celsius and 1.0 atm and 12 liters of He at 25 degrees celsius and 1.0 atm are pumped into a tank with a volume of 5.0 liters.
Neon lamp spectrum shows many more distinct lines than that of hydrogen lamp. The reason is that
For equal moles of CaCl2 and Fe(NO3)3 dissolved in the same volume of distilled water, how do you expect the conductivities of each solution to compare? Explain your reasoning.
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