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A balloon has a volume of 1.20 L at 24.0oC. The balloon is heated to 48.0oC. Calculate the new volume of the balloon.
a 30 g car rolls from a hill 12 cm high and is traveling at 154 cm/s as it travels along a 275 cm horizontal track. what is the momentum of the car?
Organic hydrogenation reactions, in which H2 and an "unsaturated" organic compound combine, are used in the food, fuel, and polymer industries.
Consider a situation in which 211g of P4 are exposed to 240g of O2. What is the maximum amount of P2O5 that can theoretically be made from 211g of P4 and excess oxygen?
Calculate the standard emf for each of the following reactions:a)H2(g) + F2(g)---> 2H+(aq) + 2F-(aq)
A solution is prepared by dissolving 6.00g of unknown nonelectrolyte in enough water to make 1.00L of solution. the osmotic pressure of this solution is 0.750 atm at 25.0 C. what is the molecular weight of the unknown solute ( R= 0.0821 L.atm/K.mo..
Discuss how to find the molar mass of a compound, percent composition of the elements of a compound and how to determine the empirical and molecular formulas from percent composition.
Calculate the solubility of BaSO4 in (1) pure water, (2) 0.0125 M BaCl2, and (3) 0.0125 M KCl. What effect do BaCl2 and KCL have on the solubility of BaSO4?
An unknown consisting of a single sugar gives a negative fermentation test. Which one of the following tests would allow you to decide which of the five sugars used in this experiment you had?
Calculate the amount of heat required to completely sublime 51.0 g of solid dry ice (CO_2) at its sublimation temperature. The heat of sublimation for carbon dioxide is 32.3 kJ/mol .
A substance has a molar mass of 60 g/mol with 40.0 percent carbon, 6.7 percent hydrogen, and 53.3 percent oxygen. What is its empirical formula?
how much 0.500 M Au(NO3)3 solution would you need to prepare to accomplish this? 3) If the price of the base metal is negligible, and the price of gold is $ 1791.05/oz. ( as of the date of this publication), what is the value of the medallion?
Multiple choice questions in nuclear chemistry - which equation represents the balanced nuclear equation
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