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Determine the number of moles of O2 produced by the decomposition of 426 g of NaClO3
The double-replacement reaction between silver-nitrate and sodium bromide produces silver bromide, a component of photographic film.
Assuming that the total pressure of the gases is 1.52 atm and that their mole ratio is 94 : 4.0 : 1.5 : 0.50, calculate the partial pressure (in atmospheres) of each gas.
How many litres of NO are produced at STP when 162 g Ag reacts with excess HNO3
Calculate the wavelength (in nanometers) of a photon emitted by a hydrogen atom when its electron drops from the n = 4 state to the n = 1 state.
How many molecules of ethanol (C2H5OH) (the alcohol in alcoholic beverages) are present in 165 mL of ethanol? Density of ethanol is 0.789g/cm3 ?
When heated, hydrogen sulfide gas decomposes according to the equation above. A 4.40 g sample of H2S(g) is introduced into an evacuated rigid 1.50 L container. The sealed container is heated to 583 K and 5.72x10^-2 mol of S2(g) is present at equil..
Calculate the equilibrium constant for the reaction - flask at a certain temperature according to the reaction
What is the volume of dry gas at STP of a gas collected over water that has a volume of 596 mL at 40 C and pressure of 101KPa
Construct quantum mechanical operators for the following observable: (1) the inverse separation 1/x
How many molecules of NO2 are produced when 5.38 mol of ammonia is completely reacted?
When numbers are very small or very large, it is convenient to either express the value in scientific notation and/or by using a prefix with the unit.
If an automobile is able to travel 247 mi on 10.8 gal of gasoline, what is the gas mileage in km/L.
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