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Magnetite is a binary compound containing only iron and oxygen. The percent by weight, of iron is 72.360%. What is the empirical formula of magnetite?
acetic acid vapour contains a proportion of planar hydrogen-bonded dimers. the relative permittivity of pure liquid
The density of liquid oxygen at its boiling point is 1.14 kg/L , and its heat of vaporization is 213 kJ/kg . How much energy in joules would be absorbed by 4.0 L of liquid oxygen as it vaporized?
What would be the temperature change of 450ml of water that surrounds this ice cube assuming all the heat was transfered form the surrounding water.
With which of the metals Cu(s), Al(s), Ag(s), Fe(s) and Zn(s) is reaction with H+(aq) ions to produce H2(g) a spontaneous reaction. Select three oxidizing agents that are capable of oxidizing Cl-(aq) ions to Cl2(g)
how many moles of solid naf would have to be added to 1.0 l of 1.90 m hf solution to achieve a buffer of ph 3.35
a mixture of a and b is found to obey raoults law. at 60 degrees celcius the vapor pressure of pure a is 400 mm hg and
calculate enthalpy change for the quantity of zinc reacted. Be sure to follow the significant figures convention in the answer you report.
If a 1000 kilogram sample of rock is 0.021% gold by mass. How much zinc is needed to react with the gold extracted from the rock?
Which one of the following is the correct formula resulting from a combination of the common ions from these elements: Li and S
the solubility product for ceriumiii fluoride is 8.0 x 10-16a what is the molar solubility of cerium iii fluoride in
predict if the following conditions would result in the formation of a preecipitatea. 0.0025 m fe3 at ph 6.00b. 0.0025
an auto mechanic spills 91 ml of 2.3 m h2so4 solution from a rebuilt auto battery. how many milliliters of 1.5 m nahco3
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