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When considering the Ideal Gas equation of state, the molecules in the gas are assumed to have no interaction with each other at all. In real gases, however, attractive intermolecular forces exist between the molecules in the gas. The effect of these attractive intermolecular forces in a real gas is to:
A. Decrease the pressure in the gas relative to that of an Ideal Gas
B. Increase the Volume of the gas relative to that of an Ideal Gas
C. Sometimes increase and sometimes decrease the pressure of the gas relative to an Ideal Gas
D. Decrease the size of the molecules in the gas
E. Decrease the Temperature of the gas relative to that of an Ideal Gas
How much heat is required to raise the temperature of a 7.40-g sample of iron (specific heat = 0.450) from 25C to 79.8C?
solid sodium hydroxide is dissolved in 127.3 g of water at 22.0 C in a perfect calorimeter. Assuming the heat capactity of the solution is the same as water, what is the final temperature of the solution?
500.0 g of ammonia react with 51.0 moles of sulfuric acid to produce ammonium sulfate. How many moles of excess sulfuric acid are left over after the reaction is complete?
Meals-ready-to-eat (MREs) are military meals that can be heated on a flameless heater. The heat is produced by the following reaction: Mg(s) + 2 H2O(l) ? Mg(OH)2(s) + H2(g)
What is the molarity of a calcium hydroxide solution if a 25.0 mL sample is exaclty neutralized by 42.5 mL of 0.0750 M nitric acid?
Using electronegativity arguments, classify the following diatomic molecules as nonpolar (N), polar (P), or ionic (I). (Use the drop down menus to choose your answers
What are the various uses of radioactivity in healthcare? What are the future trends in healthcare with respect to the use of radioactivity?
Using the following reaction: OH- + HC2H3O2 ---> H2O + C2H3O2- a 75.0 mL sample of potassium hydroxide, KOH, of unknown concentration is titrated with 42.5 mL of 0.575 M acetic acid.
What unknown compound will result in a positive reaction to bromine only by UV light and will this compound have a negative reaction to KMnO4?
What is the formula weight of KI? What quantity of KI is present in 301 mL of a 0.30 M solution?
What volume of 0.855 M KOH solution is required to make 3.55 L of a solution with pH of 12.4?
A copper wire (density = 8.96 g/cm3) has a diameter of 0.18 mm. If a sample of this copper wire has a mass of 33 g, how long is the wire?
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