What is the empirical formula of the gas
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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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).
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
As a result, the H+ atom is ionized - it breaks into a proton moving with a speed of 1.15*10^3 m/s and an electron moving with a speed of 2.11*10^6 m/s in the opposite direction.
(i) Determine the amount of ice melted and the final temperature if the mass of steam is around 14 g and the mass of ice is around 53 g. (ii) Repeat with steam having mass 1.0 g and ice of mass 53 g.
Calculate the wavelength of radiation required to ionize the hydrogen electron from the n = 2 energy level. Ionization energy is defined as the minimum energy required removing an electron from the ground state (n0) to infinity (n∞).
Determine the numbers of milliliters of 0.202M NaOH should be added to the 30.0mL of a 0.0233M Salicylic acid (2-hydroxybenzoic acid, MW= 138.12) to adjust the pH of that solution to a value of 3.50?
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