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What is the formula for the compound that forms between the barium ion and the oxide ion?
A curved surface of a liquid which has its vapor pressure at equilibrium with the surroundings has a higher vapor pressure than a flat surface. Why
if gasolines composition is estimated to be 50 octane 25 pentane and 25 ethly benzene on a mol basis calculate the mols
A typical ethanol fuel (molar mass 46.07 g/mol) has an enthalpy of combustion of -1364 kJ/mol and 1 dm^3 has a mass of 0.77kg. Calculate the maximum amout of work that could be performed by the combustion of 10dm^3 of fuel.
Water will change from one phase to another as it temperature changes.In it's gaseous form, steam, water has it's highest temperature.Water in this form will not change into liquid unless a certain amount of heat is removed.An example, is the cond..
One method proposed for removing SO2 from the flue gases of power plants involves reaction with aqueous H2S. Elemental sulfur is the product. Write a balanced chemical equation for the reaction.
a calculate the surface area of an atom with a radius of 0.15 nm and a mass of 100 amus.b in a recent article mofs
61.0 mL of a 1.70 M solution is diluted to a volume of 268 mL. A 134-mL portion of that solution is diluted using 119 mL of water. What is the final concentration
What is the initial temperature of a gas if the volume changed from 1.00 L to 1.10 L and the final temperature was determined to be 255.5oC
the molecular weight of citric acid is 0.030m. how many grams of citric acid molecular weight 192 are present in a
A flask contains 0.350 grams of liquid Br( bromine). calculate the number of (Br)bromine molecules present in the flask
It is estimated that the Earth's ruminants (cattle, sheep, etc.) produce 73 million metric tons of CH4 each year. In this amount of CH4 there would be................ million metric tons of carbon
If 2 x 10-4 moles of S2O82- in 50 mL solution are consumed in 188 seconds, what is the rate of consumption of S2O82-
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