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At 25 degrees Celsius the rate constant for the decomposition of a pesticide solution is 6.40e-3 min-1. If the starting concentration of pesticide is 0.0314M, what concentration will remain after 62.0min at 25 degrees Celsius?
Using the periodic table, arrange the atoms in each of the following sets in order of increasing electronegativity: a) CL, F, Br; b) B, O, N; c) Mg, F, S
A solution of sodium hydroxide is prepared by mixing 2.00g of NaOH with 10.0g of water. The percent, by mass of NaOH is what?
Hydrocarbon chemistry problems, For the compound, 1,2-dibromoethane, the most stable conformation would be
the solubility of oxygen in water at 25 degree celsius and 1.00 atm pressure is 0.041g/L. what is the solubility of oxygen in water at 6 atm pressure?
A solution is made by mixing 42.0 mL of ethanol, C2H6O, and 58.0 mL of water. Assuming ideal behavior, what is the vapor pressure
If 488 g SO2 escaped into the atmosphere and all the escaped SO2 were converted to H2SO4. How many grams of H2SO4 would be produced in the atmosphere?
1.90-g sample of a large biomolecule was dissolved in 23.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C. Calculate the molar mass of the biomolecule.
Which formula represents the greatest number of isomers?
When hafnium metal is heated in an atmosphere of chlorine gas, the product of the reaction is found to contain 62.2 percent Hf by mass and 37.4 percent Cl by mass.
Important information about Heat and temperature, What is Heat? What is temperature? What are the various properties that account for temperature?
Calculate the mass in grams for pure silver sample that loses 3.10 when its temperature drops from 138 to 20.
If 1L of .15M NaOH is unprotected from mmol of CO2, what will be its new molarity when it is standardized agains a standard solution of HCl using
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