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A gas cylinder holds 0.330mol of O2 at 150C and a pressure of 3.30atm. The gas expands adiabatically until the volume is doubled. What is the final pressure? What is the final temperature?
Write the equation for this reaction, labeling the acid, base, conjugate acid, and conjugate base
With this reaction 4FeS2+11O---> 2FeO3 +8SO2 A) how many molecules of SO2 are contained in 0.526 of this component? B) if 1.42 g of FeS2 reacts , how many SO2 grams are formed
A 75 watt incandescent light bulb and an 18 watt compact fluorescent bulb are equally bright. How much warmer will an insulated closed 12 by 11 by 8 foot room get in 1 hour if it is lighted by an incandescent bulb
compressed gas cylinder contains 1.00 x 103 g of argon gas. The pressure inside the cylinder is 2050 psi at a temperature of 18oC. How much gas remains in the cylinder if the pressure is decreased to 650psi at a temperature of 26oC?
A solution consisting of 100 mL of the weak base 1.0 M NH3 is titrated with 1.0 M HCl. Which of the following is false. At the equivalence point, the solution is acidic.
If there was 0.5011g of KClO3 in the original mixture, what is the true percent of KClO3?
calculate the resulting molarity when 50.0ml of 2.13M sodium Chloride solution is mixed with 80.0ml of 1.45M
show that cos(ix)= e^-x+e^x/2 and isin(ix)= e^-x-e^x/2 this is expressions are called the hyperbolic cosine and hyperbolic sine, respectively, hint start with e^-x=e^i(ix) and e^x=e^i(-ix) and apply euler's formula
How many moles of NaOH must be added to 1.0 L of 1.2 M HC2H3O2 to produce a solution buffered at each pH? a) pH=3.87 b) pH=5.24
Describe the procedure for preparation of 250 cublic cm of aqueous sulphamic acid of accurately known concentration.
A galvanic cell is constructed with a silver-silver chloride electrode, and a nickel strip immersed in a beaker containing 1.56 x 10-2 M solution of NiCl2. Determine the balanced cell reaction and calculate the potential of the cell. Enter in Volt..
The methane is heated by a stream of saturated steam entering the heat exchanger at 1.9 bar and leaving as a liquid at 60.0°C. Find the volumetric flow rate of saturated steam into the heat exchanger by following the steps below
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