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For the reaction H2(g) + 1/2O2(g) --> H2O(g) the heat of formation of H2O(g) at 298 K is -241.8 kJ/mol. If 1.4756 moles of H2(g) and 6.6495 moles of O2(g), initially at 298 K, are ignited in an adiabatic constant pressure (P=1 bar) vessel calculate the final temperature of the gas mixture. Assume the heat capacities of the gases are constant and are given in Appendix B of your text.
Boron often forms compounds that do not comply with the octet rule that are termed electron deficient. BF3, whose structure is shown below on the left, is an example of an electron deficient compound.
Chromium is produced by reacting its oxide with aluminum. If 76 grams of Cr2O3 and 27 grams of Al completely react to form 51 grams of Al2O3 how many grams of Cr are formed
Platinum has a face-centered cubic crystal structure and a density of 21.5 g/cm3. What is the radius of the Platinum atom?
Calculate the molecule weight of the liquid If 2.31grams of the vapor of a volatile liquid is able to fill a 498-ml flask at temperature of 100 degree Celsius and pressure of 775 mm Hg? also determine the density of the vapor under these conditi..
If the formula for magnesium fluoride is MgF 2 and the formula for potassium chlorate is KClO 3 , then what is the formula for magnesium chlorate?
Find either the wood oak or pine if The given density of oak = 0.9 g/cm 3 , the density of pine = 0.4g/cm 3 .
Compute the ΔH for this reaction and express your answer in kilojoules if the given . Bond Energies (kJ/mol) are N-Cl 201 , Cl-Cl 243 , N-H 389 ,H-Cl 431
What volume in liters of 0.94 M KOH solution should be added to a 0.090 L solution containing 9.1 g of glutamic acid hydrochloride
A student adds 6.60 of a 0.380 solution to the beaker. How much will the pH change? The of acetic acid is 4.760.
A flat 103-turn current-carrying loop is immersed in a uniform magnetic field. The area of the loop is 5.47 cm2 and the angle between its magnetic dipole moment
Molar mass from volumetric data, 2.64g of an organic base, isolated from a shrub in the mountains of Peru was dissolved in 100mL of water. 25.0mL of this solution required 27.5mL of 0.250mL HCL for complete neutralization
A voltaic cell consists of an Au/Au3+ electrode (E° = 1.50 V) and a Cu/Cu2+ electrode (E° = 0.34 V). Calculate [Au3+] if [Cu2+] = 1.20 M and Ecell = 1.13 V at 25°C.
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