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Write and balance reactions for the following situations:
a. The burning of titanium metal in oxygen gas to produce titanium(IV) dioxide, TiO2.
b. The "burning" of titanium metal in a pure nitrogen gas atmosphere to produce titanium(III) nitride, TiN.
c. The production of sulfuric acid by reacting sulfur, oxygen, and water.
d. Production of antimony metal from the reaction of antimony oxide and hydrogen gas. Water is also product of this reaction.
Calculate the lattice enthalpy (?Hl° in kJ/mol) of the MF2 metal fluoride using the following data: Bond dissociation enthalpy of F2(g) = 159 kJ/mol Electron affinity of F = -328 kJ/mol Enthalpy of sublimation of M = 123 kJ/mol First ionization en..
We have a refrigeration unit that works at a pressure of 0.1MPa in the evaporator and 1 MPa in the condenser. The refrigeration unit uses a compressor with an efficiency of 90% and a turbine with 100% efficiency is used to expand the refrigerant a..
draw a dot and cross diagram to show the bonding in ch2f2. your diagram only needs to show the outer shell
Ammonia gas is produced by reacting hydrogen gas with nitrogen gas. To produce 450 g of ammonia gas using air as your source of nitrogen gas, what volume of air is required if the air is introduced at 25°C and 740 mmHg
Please complete and balance the molecular equation and write a net ionic equation, make sure to include the physical states of the compounds, if there is not reaction write NR for the products.
Explain how you can minimize propagated errors. When pooling data from multiple sets, explain whether this measure is dependent upon the individual sample means.
The choice of precipitating reagent is important. Briefly explain what the consequences would be if excess 6M NaOH solution instead of 6M NH3 solution were used to separate Fe3+ and Al3+ ions from Ca2+, Cu2+, and K+ ions at pH 9-10.
Write a balance equation for the reaction of nitric acid (HNO3) with each base solution : [1]. NaHCO3, [2]. MgCO3. ( Please include the phases of the substance)
What characteristic properties distinguish the transition elements from the Group IA and -IIA metals?
Assume you dissolve 0.235 g of the weak acid benzoic acid, C6H5CO2H, in enough water to make 5.00 102 mL of solution and then titrate the solution with 0.163 M NaOH.
A sample of an unknown gas effuses in 12.4 min. An equal volume of H2 in the same apparatus at the same temperature and pressure effuses in 2.59 min.
How much alcohol must be burned to generate enough heat to warm 279kJ from 60 degrees fahrenheit to 180 degrees fahrenheit
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