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Methane the principal component of natural gas is used is used for heating and cooking. The combustion process is CH4(g) + 2O2(g) -> CO2(g) + 2H2O(l). If 12.1 moles of CH4 react with oxygen, what is the volume of CO2 (in liters) produced at 21.5 degrees C and .981 atm
Multiple choice questions in Radioactive Decay - electron emitted from the nucleus during some kinds of radioactive decay is known
A roller coaster car of mass 310 kg (including passengers) travels around a horizontal curve of radius 33 m. Its speed is 16 m/s. What is the magnitude and direction of the total force exerted on the car by the track
Marble (calcium carbonate) reacts with hydrochloric acid solution to form calcium chloride solution, water, and carbon dioxide.
A voltaic cell is constructed that uses the following reaction and operates at 298 K. (Ered Ni+2 is -0.277) Zn(s) + Ni2+(aq) Zn2+(aq) + Ni(s) (a) What is the emf of this cell under standard conditions?
Given the values of So given below in J/mol K, calculate the value of DSo in J/K for the combustion of 1 mole of ethane to form carbon dioxide and liquid water.
What will be the experimental enthalpy of reaction when 0.5000g of zinc reacts with 20.00mL of 1.500M HCl, changing the temperatrure of the solution
Calculate the volume of 1.0 x 10-4 M CV+ solution that needs to be added to a 25.0 mL volumetric flask and diluted with deionized (DI)
If a buffer solution is 0.260M in a weak base (Kb=5.6x10^-5) and 0.550M in its conjugate acid, what is the pH.
Calculate the molarity (mol/L) of Mn2+ when MnS is placed in a 0.0179 M (NH4)2S solution. The equation represents the solubility process.
A sample containing 4.80 g of O2 gas has a volume of 15.0 L. Pressure and temperature remain constant. What is the new volume if 0.500 moles of O2 gas is added?
Identify the limiting reagent for the given combination of reactants. Calculate how many grams of whatever substance will be in excess and how many grams of HF will be made.
for swimming 1500 m in a long course pool is 14 min 34.56 s. At this rate, how many seconds would it take to swim 0.650 miles? (1 mi = 1609 m.)
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