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A 1.992g sample of octane, C8H18, is burned in a calorimeter that has a calorimeter constant of 144 J/celcius and contains 750.0g of water. the temperature of the water rose from 14.73 celcius to 42.78 celcius. Determine the enthalpy of combustion for the C8H18.
How many milliliters of 0.5 M NaOH are needed to exactly neutralize 100 milliliters of 1 M HCl?
CO (5.00 g) and CO2 (5.00 g) were placed in a 750.0 mL container at 50.0 °C. Calculate the total pressure in the container.
Calculate the pH of a solution when 0.200 moles of solid NaOH is added to 2.00 liter of 0.250 M HCl. Assume no change in volume.
For the following reaction, denote whether the equilibrium lies with the products or with the reactants.2NO2(g) + 02(g) 2NO2 (g) Kp = 5.0*1012
If the flask has a volume of 0.150 L, what is the minimum mass of PH3BCl3(s) that must be added to the flask in order to achieve equilibrium?
Calculate the pH when 6.80 g of NaBrO is added to 100. mL of a 0.500M HBrO solution (assume no change in volume). 8.76 b) Calculate the pH when 100 mL of 0.50 M NaOH is added to 100 mL of a 0.50M HBrO solution. 11.0
How do you think the use of quantitative methods related to these advantages and disadvantages? 2. How do forecast practitioners rank various forecasting models applied to any given problem? Which technique is used most often in practice and why?
calculate the equilibrium partial pressures of all gases in the reaction and set up the expression for Kp in terms of equilibrium partial pressures but do NOT solve.
what is happening when Nh4Cl is added to NH3 (a basic solution)? what is happening when HCl is added to NH3? how are these example
The component of structure responsible for holding the 4 chains of hemoglobin together is a. primary
What is the theoretical percent, by weight, of calcium in Ca(OCl)2
Consider the following reaction. N2 + 3H2 ->2NH3 . 28.0 grams of N2 and 5.04 grams of H2 are reacted, producing 17.8 grams of NH3. What is the percent yield?
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