Calculate the molality and molarity
A solution prepared by dissolving 17.75 grams of sulfuric acid,(98.10g/mol), in enough water to make 100 ml of solution. if the density of the solution is 1.1094g.ml what is the molality and molarity?
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A solution of sodium bicarbonate is prepared by adding 45 g of sodium bicarbonate to a 1.00L volumetric flask and adding distilled water until it reaches the 1 L mark.
A sinusoidal wave is traveling on a string with a speed of 40 cm/s. The displacement of the particles of the string at x = 10 cm is found to vary with time according to the equationWhat is the frequency of the wave?
Consider X1 and X2 given in Exercise 3-173 where If X1 and X2 are independent random variables with E(X1)=2,E(X2)=5, V(X1)=2, V(X2)=10, and Y = 3X1+5X2. Define Y=X1X2. Compute the mean and variance of Y.
Consider a spherical conducting shell where the conductor has a net charge Q on it with no charges in the cavity. Does the voltage vary within the cavity from place to place? Explain why or why not?
One person has 3 dollars to gamble; each time he uses only one dollar, the probability is 60% to lose and 40% to win. If he accumulates 5 dollars or loses 3 dollars, he will stop the gamble. Using transition matrix to estimate how many times he wi
What is the concentration of dissolved sulfate in the water once equilibrium is achieved? If additional 10 grams is added, what would be the new equilibrium concentration of calcium sulfate?
You are conducting an experiment inside an elevator that can move in a vertical shaft. A load is hung vertically from the ceiling on a string, and is stationary with respect to you.
A group of psychologists examined the effect of alcohol on the reactions to a threat. After obtaining a blood alcohol level (BAL) of at least 0.015 mg/cl, experimental subjects were placed in a room and threatened with electrical shocks.
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