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An ice cube at 0 degrees C with a mass of 115 g is added to H2O in a beaker that has a temperature of 64.0 degrees C. if the final temperature of the mixture is 24.0 degrees C, what was the initial mass of the warm water
The total pressure in an 12.4L automobile tire is 42psi at 15 degrees Celsius. how much does the pressue in the tire rise if it warms to a temperature
draw and label structures cis and trans isomers of 3,4 -dibromo-3-hexene, 3) structure of terpin hydrate. Is it more water soluable or less than the starting material?
What is the specific heat of aluminum if the temperature of a 28.4 g sample of aluminum is increased by 8.1 oC when 207 J of heat is added.
Give explanation why it is not practical to evaluate the solubility of the two salts AX and BY2, by simply comparing the solubility product constants?
What is the concentration of the HNO3 solution? (b) How many moles of NaOH were in excess after the first addition?
What is the pH of the buffer that results when 11 g of NaCH3CO2 is mixed with 85 mL of 1.0 M CH3CO2H and diluted with water to 1.0 L? (Ka of CH3CO2H = 1.8 ´ 10-5)
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.
What is the rate constant of a first-order reaction that takes 215 for the reactant concentration to drop to half of its initial value?
What is the pH of the solution halfway to the equivalence point. What is the pH of the solution at the equivalence point
Describe in brief the risk connected with solutions of 1M NH 3 , 1M HCl, and 1M NaOH?
A nitric acid solution containing 71.0% HN)3 (by mass) has a density of 1.42 g/mL. How many moles of HNO3 are present in 1.00L of this solution?
Calculate the normality of a KMnO4 solution if 32.38 mL of a 0.1431 N Fe2+ solution is required to react with 15.92 mL
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