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Now consider a sample that consists of four spheres, each with a different mass: blue mass is 4.00 g, red mass is 3.75 g, green mass is 3.00 g, and yellow mass is 1.25 g. Calculate the average mass of a sphere in this sample.
Calculate the pressure (in atm) exerted by 1.00 mole of acetylene at 125°C in a 20.0-liter container. The van der Waals constants for acetylene are: a = 20.0 L2 • atm/mol2, b = 0.100 L/mol.
Tablets from a bottle of commercial aspirin gave a negative test with FeCl3. Several months later, tablets from the same bottle gave a positive test with FeCl3. How do you account for this result? Why?
Tell me if an induced current would exist, if you had a coil and a magnetic field that both were in motion at the same time.
Methane and oxygen react to form carbon dioxide and water. What mass of water is formed if 3.2 g of methane react with 12.8 g of oxygen to produce 8.8 g of carbon dioxide?
Important information about balanced chemical equation, 1. If 1 mole of Al4C3 has a mass of 144g and carbon has a mass of 12g, what is the atomic mass of aluminum?
What volume of 0.140 M Hydrochloric acid is required to neutralize 2.68g of Magnesium hydroxide.
Find the pH of a solution that has a weak acid concentration of 1.72 M and a weak base concentration
A 30.00mL sample of 0.1234M hypobromous acid (HBrO) is titrated with a 0.2555M potassium hydroxide solution. (Ka for hypobromous acid = 2.5x10^-9) How many milliliters of potassium hydroxide solution would be required to reach the midpoint of the ..
Sketch a well behaved wave function in 1-d with the labels I. High probability and high kinetic energy, ii low probability and low kinetic energy, ii high kinetic energy and low probability. Which of these (I-iii) will potential energy be highest
What are he experimental conditions of T and P that will be used to calculate the mass of air in the flask? B) Calculate the density of air at the experimental conditons identified in part A
electronic transition in a hydrogen atom has a wavelength of 486.2 nm. From what initial energy level (ni) did the electron transition?
what is the value of Kp for this reaction at this temp? what wold be the effect of an increase in pressure on the amount of SO_3 produced? what wold the effect of an increase in temp on the amount of SO_3 produced? (use relevant data from Appendix..
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