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a) Identify the substance that is oxidized and the substance that is reduced in the following reaction: 2NaCl(l) --> 2Na(s) + Cl2(g)
b) How many electrons are involved in the above redox reaction?
Consider the reaction Cl2(g) + I2(g) 2 ICl(g), which is endothermic as written. What would be the effect on the equilibrium position of increasing the volume of the reaction container
Magnesium carbonate, MgCO3, has a Ksp value of 6.80×10?6 . What happens when magnesium and carbonate solutions are mixed to give 2.50×10?3M Mg2+ and 2.00×10?3M CO3 2-?
A fuel gas containing 75% methane, 15% ethane and 10% propane by volume flows to a furnace at a rate of 1200m^3/hr at 15'C and 200kPa, where it is burned with 12% excess air. Calculate the required flow rate of air in SCMH(standard cubic meters pe..
How many mL of 1.74 M HCl solution can react with 71.5 g calcium carbonate? CaCO3(s) + 2 HCl(aq) ? CaCl2(aq) + H2O(l) + CO2(g)?
ethylene oxide polyol that has been generated from pentaerythritol with hexamethylene di-isocyanate, where the ratio of hydroxyl groups to isocyanate groups
what would be the product if you reacted 1,3-dimethoxubenzene with tert-butyl alcohol?
Pheromones are compounds secreted by the females of many insect species to attract males. One of these compounds contains 80.78 percent C, 13.56 percent H, and 5.66 percent O. A solution of 1.00 g of this pheromone in 8.50 g of benzene freezes at ..
A sample of neon has a volume of 780 mL when it is at a pressure of 751 mmHg. What will be the volume when the pressure is increased to 1389 mmHg?
Calculate the number of grams of KClO3 needed to make 400 mL of 0.913 M solution.
A buffer is made by combining 3.50 L of 0.200M butylamine, C4H9NH2 with 7.50L of 0.100M butylammonium chloride, C4H9NH3Cl. Assuming that volumes are additive
When 0.539 L of Ar at 1.20 atm and 227°C is mixed with 0.223 L of O2 at 501 torr and 127°C in a 400. mL flask at 27°C, what is the pressure in the flask
when an acid reacts with a metal, what is one of the usual products? a) carbon dioxide
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