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Finding the pH of a solution.
What is the pH of a solution obtained by adding 25.0mL of 0.125 M rubidium hydroxide, RbOH, to 35.0mL of 0.027 M barium hydroxide, Ba(OH)2? Suppose that volumes are additive.
pH = ____________
Discussion 1: In this discussion, consider how fats are digested and utilized in the body. Address the following questions: What enzyme is necessary for fat digestion? Where is this enzyme produced and where does fat di ...
Calculate the change in internal energy(delta E) for a system that is giving off 25.0kJ of heat and is changing from 6.00L to 12.00L in volume at 1.50atm pressure. (101.3J=1 L*atm) The answer is supposed to be -25.9kJ Ca ...
A. How many milliliters of a 0.72 MHCl solution do you need to obtain 0.0032 mol of HCl? B. A flask containing 470 mL of 0.50 M H2SO4 was accidentally knocked to the floor. How many grams of NaHCO3 do you need to put on ...
Determine the percent yield of barium sulfate obtained (4.9852g) when 100.0 mL of a 0.2516M aqueous barium chloride is treated with an excess of sulfuric acid? Hydrochloric acid is a by-product.
Potassium and sodium chloride are similar in charge and they both have the same anion. When comparing sodium chloride (36 g / 100 mL at 0 oC) and potassium chloride, which has a higher solubility at 0 oC?
Explain how bacteria are intimately involved in the generation of acidic mine waters
How much water must be added to a 50.0 ml solution of 0.60 M HNO 3 to produce a 0.40 M solution of HNO 3 ?
Aim - To understand the fundamentals of atomic structure, chemical bonding, periodic tableandits application in engineering problems - Objective - Observing and explaining the reasons of engineering chemistry related pro ...
Question 1 In contrast to going without food, the human body can survive only about __________ days without water. A. 3 B. 7 C. 11 D. 15 Question 2 Which of the following sources of water is most likely to contain contam ...
Assuming that air is 21.0 percent oxygen by volume, what volume of air in liters at 45.0 °C and 793 mmHg would be required to burn 185 g of ethanol (C 2 H 5 OH)?
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