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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
Calculate the concentrations of NH4+ and NH3 and the pH in a solution prepared by mixing 22.0g of NaOH and 0.500L of 1.5 M NH4Cl. Assume that the volume remains constant.
Analysis of a metal chloride XCl3 shows that it contains 64.3% Cl by mass. Calculate the molar mass of X
Calculate the number of moles of CH3N=NCH3 that have reacted in a 1.00 L flask 0.0500 min after 4.00 g of CH3N=NCH3 is introduced. The molar mass of azomethane is 58.0824 g/mol.
Dry Cell batteries are habitually powered by the reaction below. Explain how many grams of ammonia would be produced if 7.32g of zinc reacted with 25.0mL of 3.02 M of NH4Cl
calculate the nuclear binding energy per nucleon in 6 sig figs,also in joules. 7. For 129Xe, calculate the nuclear binding energy per nucleon in 7 sig.figs also in joules per nucleon.
The alcoholic blue solution from part I of your experiment is commonly utilized in weather-forecasting devices. Based on your observations in the lab define how this reaction can indicate coming rain.
For the following electrochemical cell Cu(s)|Cu2 (aq, 0.0155 M)||Ag (aq, 1.50 M)|Ag(s) write the net cell equation. phases are optional. do not include the concentrations. Calculate the following values using standard potentials as needed. E°cell,..
The titration required 10.51 mL of the KOH solution to reach an end point. What was the percentage by mass of K2SO3 in the original mixture of KNO3 and K2SO3?
Describe a procedure that might be used to separate p-dichlorobenzene
Calculate E cell for the following balanced redox reaction O2(g)+2H2O(l)+4Ag(s)=4OH^-(aq)+4Ag^+(aq)
Question- Aluminum metal is formed by the electrolysis of Ah03 in molten cryolite. How many grams of Alare produced when 6.50 x 103 C pass through the cell
The final temperature was 52.0 C. Assume that the solution has a specific heat capacity of 4.184 J/(g K) and a density of 1.00 g/ml. Calculate dH for the following reaction in kJ.
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