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A child releases a 6.25L helium balloon in the parking lot of an amusement park where the temperature is 28.50 degrees Celsius and the air pressure is 757.2mmHg, what will be the volume of the balloon when it has risen to an altitude where the temperature is -34.35 degrees Celsius and the air pressure is 366.4mmHg?
a radio stations channel such as 100.7 fm or 92.3 fm is actually its frequency in megahertz rm mhz where 1 rm mhz106 rm
Consider the ground state neutral, anion, and cation species of each of the following homonuclear diatomics. In each case, which would you expect to have the highest bond order
A certain substance has a heat of vaporization of 63.90 kJ/mol. Explain at what Kelvin temperature will the vapor pressure be 8.00 times higher than it was at 323 K
A 100 mL sample of an aqueous solution at 25 C contains 20.4 mg of an unknown nonelectrolyte compound. If the solution has an osmotic pressure of 5.88 torr, what is the molar mass of the unknown compound
Would it be a good idea for a person to take a couple of aspirin tablets before attending a cocktail party? Explain your reasoning. This needs to be from a chemistry stand point.
what is the time required to reach a conversion of 70 percent?
Calculate the final molarity of bromide anion in the solution.
Compare the term symbols for the ground state configuration and the first excited state configuration of He. Which term symbol represents the lowest energy state for each configuration
The same listener measures the sound intensity level 25 dB at the same position as before. How many birds are there on the tree?
Based on the law of conservation compute how many grams of oxygen are needed in the following reaction if 12.43 g of magnesium was consumed and 34.54g of MgO is produced
Calculate the molarity of a Ca(OH)2 solution if it takes 25.0 mL to titrate 0.650 g of KHP in a standardization titration. (KHP has one H+ and a formula weight of 204.2 g/mol.)
A mixture consisting of 1.000 mol H2O(g) and 1.000 mol CO(g) is placed in a 10.00-L reaction vessel at 800. K. At equilibrium, 0.665 mol CO2(g) is present as a result of the reaction CO(g) + H2O(g) ---> CO2(g) + H2(g). What are (a) the equilibrium..
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