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What volume o CO gas is produced by the following reaction at 240K and 1 atm pressure? Use ideal gas law for this gas: Ni(CO)4 + Br2 -> NiBr2 + 4CO
A solution of ammonia and water contains 1.40×10^25 water molecules and 5.30×10^24 ammonia molecules. How many total hydrogen atoms are in this solution?
Calculate the frequency (in Hz) of light necessary to move an electron in a He+ ion from the n =2 to n =4 energy level. The Rydberg constant for a helium ion is R = 4.390 x 107 m-1
A 2.20 g sample of a large boimolecule was dissolved in 13.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C. Calculate the molar mass of the biomolecule.
The density of the hydrogen peroxide solution is 1.01 g/ml and the solution contains 3.40% H2O2 by mass. The vapor pressure of water at 24 celsius is 22mmHg. Based on this data and information calculate the molar volume at STP.
Suppose we are dealing with calcium chloride as opposed to the chemical in the video. If a solution contains 70 g of calcium chloride per 100 g of water at 25 degrees Celsius
H2C2O4(aq), Ka1 = 6.5 x 10-2 and Ka2 = 6.1 x 10-5. Don't forget that Kw = 1 x 10-14. Then Determine K for the reaction
Write the structures of the saytzeff elimination
A 326 mL container holds 0.146 g of Ne and an unknown amount of Ar at 35°C and a total pressure of 640. mmHg. Calculate the moles of Ar present.
Write a balanced, net ionic equation for the precipitation reaction of cacl2 and cs3po4 in an aquaeous solution.
What are the complete and net ionic equations for silver nitrate and potassium iodide in a double displacement
Which of the following is not the correct chemical formula for the compound named?
What is the ultraviolet catastrophe? Explain why it was predicted and why this prediction
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