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how many grams of potassium are present in 13.6g of K2Cr2O7
The reaction of nitrogen dioxide with carbon monoxide NO2 + CO NO + CO2 is second order in NO2 and zero order in CO. Complete the rate law for this reaction in the box below
Dry ice (solid CO2 ) has occasionally been used as an "explosive" in mining. A hole is drilled, dry ice and a small amount of gunpowder are placed in the hole, a fuse is added, and the hole is plugged.
Heat of Combustion Calculation, Calculate the heat of combustion of cyclohexatriene using the bond energies for C=C,C-C, and CH provided below
How many grams of O2 will be required to completely react with 2.43 grams of Mg metal ribbon to produce MgO.
If 12.5 g of magnesium nitride is treated with water, what volume of ammonia gas would be collected at 22°C and 753 mm Hg?
Given that B(SiO) 640 kJ/mol, show that bond enthalpy considerations predict that silicon-oxygen compounds are likely to contain networks of tetrahedral with SiO single bonds
An evacuated (empty) 276 mL glass bulb weighs 129.6375 g. Filled with an unknown gas, the bulb weighs 130.0318 g. Calculate the gas density in g/L.
How much 0.20mol/L sodium hydroxide should be combined to this buffer to raise the pH to 5.1? If the same amount of 0.20 mol/L sodium hydroxide were combined to 250mL of deionized H 2 O, Determine New pH?
The tire is filled with dry air at sea level and a temperature of 60 F to 32 lb/aquare in.standard sea level pressure is 101325 Pa at 0 C (STP).
25 g of a certain metal is heated in boiling water and then poured into 90 mL of water initially at 22.0oC. After the water has resumed a constant temperature.
One can safely assume that the 3s- and 3p-orbitals will form molecular orbitals similar to those formed when 2s- and 2p-orbitals interact. According to molecular orbital theory,
Consider the reaction 2ZnS + 3O2 → 2ZnO + 2SO2. Suppose that you wanted enough O2 to completely react with 500. g of ZnS.
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