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Define A piece of metal weighing 5.15g at a temperature of 49.3 °C was placed in a calorimeter in 20.00 mL of DI water at 22.1 °C. Define the final equilibrium temperature was found to be 29.4 °C. Explain what is the specific heat of the metal?
Why is the difference in names between HCN,hydrogen cyanide and KH,potassium hydride
The standardized potassium hydroxide solution is then used to titrate 33.99 mL of a solution of hypochlorous acid (HClO). An endpoint is reached when 25.29 mL of potassium hydroxide has been added. Determine the molarity (in mol/L) of the hypochlo..
200.0 g Al (C = 0.900 ) at 95°C is added to 85.4 g H2O at 25°C. What is the final temperature of the water (and the Al)
two evacuated bulbs of equal volume are connected by a tube of negligible volume. one bulb is placed in a 200 k
Assuming the volume of the stomach to be 1.0L what will the pH change of the stomach acid resulting from the ingestion of one tums tablet
Write a balanced equation for the reaction of 2-octanol and surphuric acid. what products are formed?
The kinetics of enzyme catalyzed reactions can be described the Michaelis-Menten equation and the Eadie-Hofstee equation as shown below
Is the monthly fee billed as a whole year without the ability to discontinue the service if I desire prior to the conclusion of the year, without having to forfeit the full year fee.
A stock solution is prepared by adding 24 mL of 0.4 M Na3PO4 to enough water to make 76 mL. What is the PO43- concentration of 25 mL of the stock solution
If a stream of hydrogen gas is ignited in air, the flame can than be immersed in a jar of chlorine gas and it will still burn. Write the balanced equation for the reaction that occurs in the jar. What is the oxidizing agent in the reaction
if 0.55 g of a gas dissolves in 1.0 l of water at 20.0 kPa of pressure, how much will dissolve at 110.0 kPa of pressure?
the titration of 40.0ml of 0.200M HONH2 (Kb=1.1 x 10-3) by 0.100 M HNO2. Calculate the pH of the resulting solution after the following volumes of HNO3 have been added
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