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Question- Calculate the change in enthalpy, in kJ, for the combustion of 6 moles of C3H8 in oxygen. The enthalpy of formation of C3H8 is
-103.8 kJ mol-1. Begin by writing the correct balanced equation for the combustion. The enthalpies of formation of CO2(g) and H2O(l) are given in a table in the back of your text.
You must show your work in an efficient manner so I can understand it in clearly
Determination of Molecular SO2 Needed for Protecting Wine, You have just finished fermenting a wine and the pH = 3.7. You need 2mg/L "molecular" SO2 to protect the wine. What level of free SO2 do you have to add to achieve the level of the molecul..
A sample of ammonia occupies 32.5 Liters at -28 centigrade and 452 torr. What volume will it occupy at STP
If 5.08 x 10^ 3 kg each of NH3, O2, and CH4 are reacted, what mass of HCN and of H2O will be produced, assuming 100% yield?2 NH3(g) 3 O2(g) 2 CH4(g) → 2 HCN(g) 6 H2O(g)
If the vessel is heated to 500 K, WHat is the percent decomposition of HBr and the equilbirum compositions of the mixtures?
Calculate the partial pressure of ozone and the number of ozone molecules per liter of air if the temperature and pressure were 20.0°C and 758 mmHg, respectively.
A spoon was silver plated electrolytically in a Silver nitrate solution. If 0.750 grams of silver was deposited on the spoon at a constant current of twenty mili amperes, determine how long in hours did the electrolysis take?
calculate the number of grams of acetic acid per 10ml of the vinegar. Since vinegar has a density of about 1.00 gram/ml, 100 ml eighs about 100 g.
Explain what is the most common/easiest method to remove benzoic acid from benzaldehyde. Incorporate some steps and what solvent would be used.
the heat of fusion of ice deltah fusionis 6.01 kjmol. what mass of ice can be melted with the same quantity of heat as
How much energy (heat) is required to convert 248 g of water from 0oC to 154oC? Assume that the water begins as a liquid, that the specific heat of water is 4.184 J/g.oC over the entire liquid range, that the specific heat of steam is 1.99 J/g.oC,
What is their role in this reaction? In the case of this particular example that you watched, where would each of these ions have come from?
A student creates a coffee cup calorimeter for lab. The coffee cup contains 30 mL of water at a temperature of 55.5 °F. He then adds 65.4mL of water, at 165.5 °F, into the coffee cup. The final temperature of the coffee cup is 120.3 °F.
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