Determine the mass percentage of ch4 in the mixture
If the reaction produces 536 kJ of heat, determine the mass percentage of CH4 in the mixture? A 10.0-g sample of a mixture of C2H4 and CH4 reacts with oxygen at the 25.0oCand 1.00 atm to form the H2O (l) and CO2 (g).
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If we wish for to duplicate this interference or diffraction pattern with mono-energetic electrons of mass me = 9*10-31 kg, Determine what would be the kinetic energy of one of such electrons have to be?
Calculate the electron-repulsion energy from the experimental IE values (next lecture) and compare it with the value obtained in the 2. Comment on the actual effective distance between the electrons in the ion as compared to their separation in th
Determine the numbers of mL of 0.1 M HCl are needed to react totally with a 1g mixture of Na2CO3 and NaHCO3 which is having the equimolar amounts of both?
The two lumps of putty are moving in the opposite directions, each one encompass a speed of around 20.5 m/s. They collide and stick altogether. After the collision the joint lumps are at rest.
James reads that 1 out of 5 eggs haves salmonella bacteria. So he never uses more than 4 eggs in cooking. If eggs do or don't contain salmonella independently of each other, the probability that at least one of James's 4 eggs contains salmonella i
Assume we have a mixture of gases in a natural gas sample. Calculate the partial pressure for each when the total pressure is 1.37atm. This mixture contains: 0.42 mole C2H6, 8.24 mole CH4 and the 0.116mole C3H8.
A He-filled balloon is tied to the 2 m long 0.05 kg uniform string. The balloon is spherical having radius 0.40 m. If released, the balloon lifts a length h of string and then remains in the equilibrium. Find h. The balloon envelope consists of ma
What is the empirical formula of the gas when a chemist found that 4.69g sulfur combined with the fluorine to form the 15.81g of a gas.
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