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A calorimeter with a heat capacity of 4.61 kJ/K contains 18,050 g of freon-12. Benzoic acid is combusted in the calorimeter and liberates 26,400 J of heat energy causing the temperature to rise 3°C. Calculate the specific heat of freon-12 in J/g°C.
A. 0.7B. 0.2C. 2D. 0.4E. 0.89
the piton of an internal combustion engine compresses 671 ml of gas. the final pressure is 15 times greater that the
What are the concentrations of OH- and H in a 0.00085 M solution of Ba(OH)2 at 25 °C? Assume complete dissociation.
Calculate the molar concentration for each of the following solutions. 1.) 4.00g KCl in 70.0mL of solution 2.) 4.00g NaCrO4 in 70.0mL of solution
Suggest a reasonable synthetic strategy for the synthesis of 3,5-dinitrobenzyl alcohol from benzaldehyde.
the frequency factor a is 8.7x 10 12 s- and the activation energy is 63 kj/mol, What is the rate constant for the reaction at 75C
Calculate the concentration (M) of sodium ions in a solution made by diluting 50.0 mL of a 0.874 M solution of sodium sulfide to a total volume of 250.0 mL
indicate whether each of the following statements indicates an acid or a base. a. makes a red ant sting b. produces OH- in water c. Has a soapy feel D
calculate the ph after 0.020 mol hcl is added to 1.00 l of each of the four solutions.a 0.100 m honh2 kb 1.1
Write the equation for the esterification reaction between ethanol and acetic acid (ethanoic acid), Write the equation for the esterification reaction between ethanol and acetic anhydride(ethanoic acid anhydride)
2C8H18(g) + 25O2(g) --> 16CO2(g) + 18H2O(g) 0.400 mol of octane is allowed to react with 0.600 mol of oxygen. Which is the limiting reactant?
A mixture intially contains A, B,C in the following concentrations: A= .700 B= .850 C=.400. the following reaction occurs and an equilibrium is established.
a sample consisting of various gases contains 3.8times10-6 mole fraction of radon. this gas at a total pressure of 31
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