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1o mL of a gaseous hydrocarbon required 50 mL of oxygen for complete combustion. If 30 mL of CO2 gas were evolved, what is the molecular formula of the hydrocarbon?
The average pH of precipitation in rural areas is 5.80. Assuming that the pH is controlled by the carbonate system, i.e., no anthropogenic acid gases are present in the atmosphere.
A gas filled balloon with a volume of 12.5 L at 0.90 atm and 294 K is allowed to rise to the stratosphere where the temperature is 268 K and the pressure is 1.0 millibar. What is the final volume of the balloon ? (1.0 atm = 1.013 bar).
What is the kinetic energy of this soccer baal? Mass of soccer ball is= 0.38 kg and fits this description out of these four given cations ?
For a given reaction, the reaction forms predominantly products at equilibrium (i.e. it essentially goes to completion). Which of the following represents a reasonable value for K
Given that Iron(III) oxide or ferric oxide (molar mass = 159.7 g/mol) reacts with Carbon monoxide (molar mass = 28.0 g/mol).
In combustion studies of H2 as an alternative fuel, you find evidence that the hydroxyl radical (HO) is formed in flames by the following reaction
Is ethanol(CH3OH) a bad leaving group. Also is (CH3)2N- a bad leaving group? the Nitrogen has two methyl groups and negative charge
A two-component mixture of volatile liquids was separated by gas chromatography using a 25 meter capillary column. The separation was insufficient with this column to see resolution of both fractions
How many moles of Na3C6H5O7 can be produced if one tablet containing 0.0164 mol of NaHCO3 is dissolved?
Doubling the distance between an individual and the source of radiation reduces the radiation exposure to one-fourth the original value.
one cup is equivalent to 237 cm^3. In 1 cup of oil has a mass of 216 g. What is the density of olive oil in g/cm^3
18.6 grams of a solute with molecular mass of 8940 grams are dissolved in enough water to make 1.00 dm? of solution at 25 àC. What is the osmotic pressure of the solution?
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