How many grams of monosodium phosphate
How many grams of monosodium phosphate and disodium phosphate are needed to make 1L of 0.1M phosphate buffer at pH 7.4? The exact pKa for inorganic phosphate are 2.15, 6.82, and 12.38.
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The force has magnitude 2.0 N and is directed at a counterclockwise angle of 100° from the positive direction of the x axis. How much work is done by the force on the coin during the displacement?
A spring is initially compressed from a free length of 8in to a length of 6in, making a net initial compression of 2in. What additional work is done in comressing it 3in more (5 inches total) to a 3in length?
56g of metal carbonate, containing the unknown metal M, was heatedto give the metal oxide and CO2 according to thechemical equation below. The mass of CO2obtainedwas .376g. Determine the molar mass and identity of the metal. MCO3 = MO + CO2
A golfer lines up for her first putt at a hole that is 18 m exactly northwest of her ball's location. She hits the ball 18 m and straight, but at the wrong angle, 38 degrees from due north. 1. In order for the golfer to have a "two putt green," de
During the compression process the relation between pressure and volume is PV1.3=constant. Calculate the work and heat transfer per kilogram, and show this on P-V and T-S diagrams.
In a Gallop poll of 1012 randomly selected adults, 9% said that cloning of humans should be allowed. We are going to use a .05 significance level to test the claim that less than 10% of all adults say that cloning of humans should be allowed. What
The space shuttle takes off from Cape Canaveral in Florida and orbits Earth 19 times before landing back at Cape Canaveral 24 hours and 15 minutes later. During this time, it moves in a circular orbit with radius 6.7 x 106 m? (a) What is the avera
Identify the appropriate hypothesis for analyzing this data including the conditions for using this test. Complete the four steps of hypothesis testing necessary to determine whether this group differs from the population of drivers in the county a
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