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When mixed HCl an acid and NaOH a base will react with each other. a) Write the balanced neutrali zation equation for this reaction b) What volume of 0.812 M HCl is required to titrate 1.33 g of NaOH to the endpoint?
How much heat is evolved when 233 g of ammonia gas condenses to a liquid at its boiling point?
Acetone (nail polish remover) has a density of 0.7857 g/cm^3. a. What is the mass, in g, of 28.56 mL of acetone? b. What is the volume, in mL, of 6.54 g of acetone?
A system had 150 kJ of work done on it and its internal energy increased by 60 kJ. How much energy did the system gain or lose as heat?
What is the density of aluminum in g/cm, A small cube of aluminum measures 15.6 mm
What will be the total vapor pressure (in torr) of a solution prepared by mixing equal masses of the two liquids?
If 76.0 mL of .150 M HCL is needed to neutralize all the NH3 from a 2.25-g sample of organic material, calculate the mass percentage of nitrogen in the sample.
Calculate the molarity of a solution of HBr if 34.80 mL of the HBr solution neutralize 0.834 g of Na2CO3. The following is the unbalanced equation for the reaction
There are 86,472 houses in the county and the county occupies a space totaling 475 square miles. How many square miles of housing are present in Chem county?
Application of ideal gas law - How high can you raise the temperature of the gas without bursting the vessel?
Describe two independent methods for determining the atomic mass of an element. Explain how these method are truly independent.
When steam (hot water) is passed over iron, hydrogen gas and iron (3) oxide are formed. What weight of steam would be needed to react completely with 100.0g of iron.
How many milliliters of 6 M HNO3 would you add to 300 mL of the buffers solution to change the pH from 5.09 to 5.03?
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