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An unknown compound was decomposed as well as found to be composed of 1.36 mol oxygen, 4.10 mol hydrogen and 2.05 mol carbon. Explain what is the empirical formula of the unknown compound?
How much heat is absorbed in the formation of 1.69 mol of NO? Answer units KJ
The single atom of an isotope does not have a: a)relative atomic mass b) atomic number c)mass number d)average atomic mass
considering an unbalanced equation given as ca3po42 h2so4 --gt caso4 h3po4 for the reaction of calcium phosphate with
calculate the equilibrium concentrations of h2o co2 and h2 in a reaction mixture obtained by heating 6.00 of steam and
A gas occupies 678 ml at 0.935 atm and 70 F, what will its volume be at 1.078 atm and 70 C
In a gas mixture, the partial pressures are argon 455 , neon 85 , and nitrogen 135 .What is the total pressure exerted by the gas mixture?
Determine the boiling point of water under pressure of 0.5 bar, given that the standard boiling point is 373 K as well as enthalpy of vaporization is 40.7 kJ/mol.
At equilibrium system contains 1.00 mol N2 and 1.38 mol H2 and 0.200 mol NH3 in a2.0 litter container. Define what is the value of K
a a general formula for gasoline is c7h13 . calculate the air to gasoline mass ratio required for stoichiometric
When a 2.00-g sample of KSCN is dissolved in water in a calorimeter that has a total heat capacity of 1.083 kJ·K-1, the temperature decreases by 0.460 K.
Calculate the ionic strength of a solution that is 0.05 mol/kg in Na3[Fe(CN)6](aq), 0.02 mol/kg NaCl(aq),
potassium fluoride has a solubility of 92g of KF in 100 g of H2O at 18 degrees C. which of the following are saturated solutions and unsaturated solutions at 18 degrees C: a)46 g of KF and 100 g of H2O. b)46 g of KF and 50 g of H2O. c)184g of KF a..
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