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Question
A chemist burns samples of ethane. pentane. mum, and dodecane (whid1 contains [2 carbon atoms per molecde) and measures the volume of carbon dioxide produced during each reaction. If the chemist starts with the same amount (in moles) of each compound. which will produce the largest volume of carbon dioxide? Explain your answer.
Determine the volume measured in a buret of a 0.2750M solution of HCl needed to consume all the calcium carbonate in a 2.5 x 1.0 x 0.5 in block.
Calculate the number of moles of an ideal gas if it has a pressure of 1.02 atm, a volume of 2.76 L, and a temperature of 222 oC. Use R = 0.0821 L-atm/mol-K for the value of the gas constant.
how many grams of glucose can oxidized completely by 1.0 l ofoxygen gas at stp?a write a balanced equation for the
The enthalpy of combustion for propane is -2044 kJ/mol. How many liters of propane (at STP) must be burned in order to convert 400 grams of ice initially at -9°C to liquid water at 84°C
The forensic technician at a crime scene has just prepared a luminol stock solution by adding 10.0g of luminol to H2O creating a solution with a total volume of 75.0 mL.
calculate the vapor pressure of an aqueous solution at 30 degrees C made from 100 g of sucrose (C12H22O11) and 100g of water
what is the equilibrium concentration of H2
Problem- Write the balanced equation that make the following polyatomic compounds and provide the name for the ions.
At a certain temperature, the equilibrium constant, Kc, for this reaction is 53.3. H2(g)+I2(g) 2HI(g) Kc=53.3 At this temperature, 0.800 mol of H2 and 0.800 mol of I2 were placed in a 1.00-L container to react. What concentration of HI is present..
the recommended adult dose of elixophyllin a drug used to treat asthma is 6 of body mass. calculate the dose in
If you used the method of initial rates to obtain the order for NO2, predict what reaction rates you would measure in the beginning of the reaction for initial concentrations of 0.200 M, 0.100 M, and 0.050 M NO2.
The period 6 transition metals have greater densities than either the period 4 or 5 transition metals. An explanation concerns the 4f orbitals
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