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Glass has a specific heat of 0.8 J g-1 K-1. What is the heat capacity of an empty glass mug weighing 300.0 g, and what quantity of heat is required to heat it from 25 oC to 75 oC?
If 66.5 ml of base is required to reach the second equivalence point, what is the concentration of the acid?
Describe the preparation of 1L solution of 0.02M Tris buffer, PH 7.8. Please don't just write numbers.. explain it.
What is the pH of an 85 mL solution containing .215 M NaHCO3 and .203 M Na2CO3?
A stock solution is prepared by adding 25 mL of 2.2 M AlCl3 to enough water to make 75 mL. What is the Cl- concentration of 25 mL of the stock solution.
Atmospheric pressure decreases as altitude increases. In other words, there is more air pushing down on you at sea level, and there is less air pressure pushing down on you when you are on a mountain
Given that the initial rate constant is 0.0190s^-1 at an initial temperature of 28 degrees celsius what would the rate constant be at a temperature of 150 degrees celsius for the same reaction descrabed in part A?
Find the pH of a solution that has a weak acid concentration of 1.72 M and a weak base concentration
At 125°C, Kp = 0.25 for the following reaction. 2 NaHCO3(s) Na2CO3(s) + CO2(g) + H2O(g) A 1.00 L flask containing 14.8 g NaHCO3 is evacuated and heated to 125°C.
A student evaporated 100.0 mL of a saturated TlCl solution and found the solid TlCl she recovered weighed
The Solubility of Mg(OH)2 (s) in wataer at a certain temperature is 1.0 x 10^-4 mol/L. Calculate the value of Ksp for Mg(OH)2 (s) at this temperature.
magnesium sulphate MgSO4 has an observed osmotic pressure =7.6 atm at the temperature of twenty five degree celsius. Determine the observed van't Hoff factor?
A diver at a depth of 100 ft (pressure approximately 3 atm) exhales a small bubble of air with a volume equal to 100 mL. What will be the volume of the bubble (assume the same amount of air) at the surface?
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