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A 0.115 M solution of a weak acid (HA) has a PH of 3.33. Calculate the acid ionization constant (Ka) for the acid.
Determine How many moles each are in 1.30L of the saline solution if a physiological saline solution contains 174mEq/L each of Na+ and Cl - .
The combustion of an organic compound releases 35.6 kJ of energy and causes the temperature of a constant volume calorimeter to increase by 4.76 °C .
Draw the major organic product of the reaction. Indicate the stereochemistry via wedge/dash bonds, including explicit H and D atoms
Assume that the wet limestone process requires 1 metric ton of CaCO3 to remove 90% of the sulfer from 4 metric tons of coel containing 2% S. Assume that the sulfur product is CaSO4. Calculate the percentage of the limestone converted to calcium su..
A voltaic cell consists of Ni/Ni2+ and Co/Co2+ half-cells containing equal volumes of solutions with the following initial concentrations: [Ni2+] = 0.80 M; [Co2+] = 0.20 M.
Single double triple bonding, Explain the characteristics of a single, double, and triple bonds including why they form and how the electrons
suppose that a 5.0X10^-5 M solution of Ba(OH)2 is prepared. What is the pH of the solution?
A batch of 5 kg of food product has a moisture content of 150% dry basis. Calculate how much water must be removed from this product to reduce its moisture content to 20% wet basis
The volume of a mass of gas is 950 ml at 700 torr pressure. What volumw will it occupy at 350 torr,the temperature
Mixture also contains He (helium gas). determine the partial pressure of the He gas?
In coffee, how much would the boiling point (in C) of the water be raised by the addition of 0.2 g of caffeine (C8H10N4O2) to 5.0 L of water in making this so much coffee
Predict if the following conditions would result in the formation of a precipitate, explain briefly: a) 0.0025 M Fe 3+ at pH 6.00
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