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burning 0.43g of the compound X (only contain C,H,O)in excess oxygen gives 1.10g of CO2 and 0.45g of H2O. what is the empirical formula?
Question enthalpy and entropy values are given and were asked to find boiling point of mercury
The vapor pressure of chlorine dioxide (ClO2) is 155 Torr at 22.75 C and 485 Torrat 0C. what is the standard enthalpy of vaporization?
When 1.33 mol of HCl reacts with excess MnO2, how many moles of Cl2 form?
Write down the second period elements (ie. lithium through neon), on order of increasing first ionization energy and Write the electron configuration for a gallium atom.
Structures of Acids, The chiral carboxylic acid A (C5H6O2) reacts with 1 mol of hydrogen gas on catalytic hydrogenation.
Which thermodynamic factor is the most significant in accounting for the fact that phophoric acid is a weak acid? why? Please make sure it is answered completely and explained so I can learn how to do it.
A voltaic cell consists of a Mn/Mn2+ electrode (E°= -1.18 V) and a Fe/Fe2+ electrode (E°= -0.44 V). Calculate [Fe2+] if [Mn2+] = 0.050 M and Ecell = 0.78 V at 25°C.
Determine how many grams of Phosphorus tri-fluoride will be produced when 40.1 g of F2 mix, and the reaction has a 78.1% yield?
The reaction between hydrochloric acid and zinc metal produces hydrogen gas and zinc chloride. If 50g of each hydrochloric acid and zinc are mixed
Determine the mass of the lead in grams if the water level in a graduated cylinder initially at 224 mL rises to 274 mL after a piece of Pb is submerged?
Determine the molar concentration of chloride ions after adding 225 ml of 0.625 MKCL with 615 ml of 0.385M MgCl2 if final volume of the solution is 840ml.
A 4.10 g nugget of pure gold absorbed 287 J of heat. The initial temperature was 24.0°C. What was the final temperature?
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