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Given the information given below, what is the standard enthalpy change for the reaction: W(s) + 3H2O(g) => WO3(s) + 3H2(g)? 2W(s) + 3O2(g) => 2WO3(s) ?Ho = -1685.4 kJ 2H2(g) + O2(g) => 2H2O(g) ?Ho = -477.84 kJ
Iron has a density of 7.874. g/cm3. What is the mass of a rectangular block of iron with dimensions of 3.000 cm by 4.000 cm by 5.000 cm?
What is the solubility in pure water of Ba(IO3)2 in moles per liter at 15 ?C? [Ksp (15 ?C) = 2.0 x 10-10]
How much heat is required to melt 48.5g of ice at its melting point. Express your answer numerically in kilojoules.
Propose a reasonable synthetic strategy for the synthesis of trans-6-methyl-3-heptene from 4-methyl-1-pentyne.
An ether and an alkene are formed as by products in n-butyl bromide synthesis. Draw the structures and mechanism for their formation
a 30 g car rolls from a hill 12 cm high and is traveling at 154 cm/s as it travels along a 275 cm horizontal track. what is the momentum of the car?
After a disturbance, the system regains equilibrium with a total pressure of 2.0atm. What is the partial pressure of A at the new equilibrium
A flask that can withstand an internal pressure of 2525 torr, but no more, is filed with a gas at 21.0°C and 758 torr and heated. At what temperature will it burst?
what will be the final temperature in degrees celsius if the volume of a gas container at 32.0degc changes from 1550 ml
Calculate the enthalpy change in kilojoules when some KOH is added to 47.727 g of water and the temperature increases
The final volume of the system is 58.0 L. What was the initial volume of the system if the internal energy of the system decreased by 102.5 J?
At volume of 0.200 M K2Cr2O7 will be required to oxidize the Fe2+ iron in 60.0 mL of .200 M FeSO4 solution?
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