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What is the morality of an unknown sulfuric acid solution if it takes 23.35 mL of a 0.3335 M lithium hydroxide solution to neutralize it?
Calcium carbide reacts with water to form acetylene and calcium hydroxide. From the following enthalpy data calculate Delta Hf for CaC2
2K(s)+2H2O(l)--> 2KOH(aq) + H2(g) A 5.00 g chunk of potassium is dropped into 1.00 kg water at 24 deg C. What is the final temperature of the water after the preceding reaction occur.
At room temperature a beaker of liquid measures 26 degree C. What is its temperature measured in Kelvin?
A 4.78- sample of aluminum completely reacts with oxygen to form 6.67 of aluminum oxide. Use this data to calculate the mass percent composition of aluminum in aluminum oxide.
The balences in the lab can weigh a maximum of 220.000 g at once. if a beaker has a mass of 86.4329 g, what is the maximum volum of water
what would the rate constant be at a temperature of 150C for the same reaction described in Part A?
What pressure would have to be applied to a 28.0mL sample of gas at 25°C and 1.00atm to compress its volume to 10.0mL at constant temperature?
flask contains 10.0 mL of HCl and a few drops of phenolphthalein indicator. The buret contains 10.0 mL of 0.220 M NaOH. 1. what volume of NaOH is needed to reach the end point of the titration?
A sample of oxygen gas collected at a pressure of 0.623 atm and a temperature of 280 K is found to occupy a volume of 634 milliliters. How many moles of O2 gas are in the sample? answer in mol please
What is the theoretical amount of oxygen required for the fuel mixture? What amount of air is added to the fuel mixture?
Some N205 is added to a container exerting 1.00 atm before any reaction. When the equilibrium is reached, the total pressure in the container is 2.20 atm. Calculate Kp for this reaction.
Calculate the pH at the equivalence point in the titration of 56 mL of 0.10 M methylamine (see Table 15.4) with a 0.20 M HCl solution.
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