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A volume of 50 mL of .400 M HBr at 24.35 C is added to 50mL of .400 M NaOH, as well at 24.35 C. The final temperature is 27.06 C. Presume that the volumes are additive, the specific heat of the solution is 4.184 J/g. C and that the density of the solution is 1 g/mL. Compute the enthalpy change, ΔH, in KJ for the reaction.
How much heat is needed in kJ to convert 878 g of ice at -10°C to steam at 134°C? (The specific heats of ice, steam, and liquid are 2.03 J/g · °C, 1.99 J/g · °C, and 4.18 J/g·°C, respectively. The heat of fusion is 6.02 kJ/mol and heat of vaporiza..
at an altitude of 19350 feet atop mount kilimanjaro in kenya the boiling point of water is 81 degrees celsius.
use the equation given to solve the following.na3po43agno3ag3po43nano3.a how many moles of napo4 would be required to
Calculate the mass of each microstructure and the mass and composition of each phase within each microstructure. d.) Cool to 726 C. Sketch the morphology. Calculate the mass of each microstructure and the mass and composition of each phase within ..
The rate of effusion of a particular gas was measured and found to be 24.0 mL/min. Under the same conditions, the rate of effusion of pure methane (CH4) gas is 47.4 mL/min. What is the molar mass of the unknown gas?
A sample of ammonia, NH3, contains 3.3x10^21 hydrogen atoms. What is the mass of the sample in milligrams
How many grams of potassium lactate (KC3H5O3) must be added to 114.0 ml of 0.5 M lactic acid in order to prepare a buffer solution at pH 3.1? The pKa of lactic acid is 3.8.
Draw the product formed when 3-chloro-2,2-dimethylpentane undergoes solvolysis in CH3CH2OH (ethanol).
Describe the error that has occured; that is , is the mass of the anhydrous salt remaining in the crucible reported as being too high or low? Explain.
How many molecules of carbon dioxide are produced when 121 molecules of acetylene (HCCH) to react in excess oxygen produce carbon dioxide and water?
The cell potential of the following electrochemical cell depends on the gold concentration in the cathode half-cell:
Carbonates react with acids to form a salt, water and carbon dioxide gas. When 22.2 g of calcium carbonate are reacted with sufficient hydrochloric acid, how many grams of calcium chloride will be produced
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