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consider the combustion of methane, CH4:CH4 + 2 O2 (g) -->CO2(g) + H2O suppose 1.5 mol of methane is allowed to react with 4 mol of oxygen what is the limiting reagent?
How many grams of HCl are produced according to the following equation, H2 + Cl2 = 2 HCl, when 4.0 g of hydrogen reacts completely.
How many units would have been produced during the second quarter under Lean Production?
A 0.30 M solution of sucrose (C12H22O11) at 37oC has approximately the same osmotic pressure as blood. What is the osmotic pressure of blood?
In some solar-heated homes, heat from the sun is stored in rocks during the day and then released during the cooler night. (a) Calculate the amount of heat required to raise the temperature of 78.7 kg of rocks from 25.0°C to 43.0°C.
A 6 cm string is fastened at both sides is plucked. What is the wavelength of the n = 3 standing wave? How many nodes does it contain.
A gas has a pressure of 4.82035 atm when its volume is 2.75 L. What will the pressure be when the volume is changed to 1.91015 L, assuming constant temperature.
We often hear the terms organic, natural, and chemical in the media. Organic and natural are usually used to imply that a product is "healthy" and/or "environmentally friendly" while chemical often implies negative implications for health and for ..
A quantity of N2 is kept in a 12.8 L contianer at a temperature of 42 C and at pressure of 4.7 atm. how many grams of N2 are in the container?
What is the molarity of a solution prepared by adding 29.3 g of HNO3 to enough water to make 2 L of solution
Find the equilibrium partial pressures of ALL species if at the start of the reaction PCO = 2.69 atm and PCOBr2 = 2.05 atm. Round your answers to three significant figures. CO(g) + Br2(g) ? COBr2(g)
How many kilocal are required to increase the temperature of 15.6 g of iron from 122 °C to 355°C? The specific heat of iron is 0.450 J/g °C.
A solution of phosphoric acid was made by dissolving 10 g of H3PO4 in 100 ml of water. The resulting volume was 104 mL. Calculate the density, mole fraction, molarity, and molality of the solution. Assume water has a density of 1.00 g/cm3
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