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Consider the following unbalanced equation. How many molecules of O2 will be required to produce 1.60 mol of water? H2 + O2 → H2O
When ice melts, it absorbs 0.33 kJ per gram. How much ice is required to cool a 13.0 oz drink from 74 degree F to 31 degree F
a 28.20 g galvanized steel washer with copper coating is treated with nitric acid. the copper coating is completely
Problem- At equilibrium, the concentrations in this system were found to be [N2]=[O2]=0.200 M and [NO]=0.400 M. N2(g)+)2(g) 2NO(g)
Which one of the following pairs of acids and conjugate bases is incorrectly labeled or incorrectly matched?
Demonstrate that the moalr enthalpy is equal to the molar energy for a collection of one-dimensilonal harmonic oscillators.
Explain an iron skillet with a mass of 0.96 kg and a copper skillet of the same mass are both at a temperature of 165.0 degrees Celsius. Explain when the skillets cool to room temperature (22.0 degrees Celsius)
The sodium hydroxide tube collects 5.429 grams of carbon dioxide. (a) Explain what is the weight of nitrogen contained in this 2.000 gram sample? (b) Explain if the molar mass is found to be in the range of 120~200 g/mol, define what is the molecu..
Calculate the expected pH from a test solution made only with 2.0 mL of 2.5 M sodium acetate
calculate the velocity of electrons emitted from molecules in which the binding energies are 10ev, 100ev, and 500ev
how does nitrobenzoic acid form as a by-product during the nitration of methyl benzoate and how is it removed?
Question- Talk about the impact that the tonnage of sulfur or sulfuric acid recovered from SO2 in flue gas treatment would have upon the chemical industry if all coal- and oil-fired were needed to use such treatment processes.
Titanium (III) chloride, a substance used in catalysts for preparing polyethylene, is made by high-temperature reaction of vapor with 2TiCl4+H2=2TiCl3+2HCl: How many grams of are needed for complete reaction with 150 of at 450 and 785 pressure
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