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What is the molecular formula for a substance that contains in 1.00 mole of sample 1.00 mole of S, 24.1 x 10 to the 23rd atoms of F, and 71.0 grams of Cl?
Calculate the heat of the reaction. (Use the equation Q = s . m .?T where s is the specific heat, m is the mass of solution and ?T is the change in temperature)
what will heating tert-butyl chloride with 1.oM NaOH in a mixture of water and methanol yeild?
The products of the combustion were 3.277 g of CO2(g) and 1.677 g of H2O(g). Insert subscripts below to appropriately display the empirical formula of the gasoline additive
How many moles of H+ are in 1.000 mL of the aqueous 2.500 molar HCl solution mentioned above? What is the normality of solution mentioned above? How many H+ ions are present in 1.000 mL of this solution?
Write the net ionic equations that account for the pH values of: 0.1M NH4Cl (pH 6.25), 0.1M NaC2H3O2 (pH 8.24)
If the initial pressure of iodoethane is 894 torr at 245°C, what is the pressure of iodoethane after three half-lives?
What would the solubility of copper (II) tartrate be in a solution that contains 0.12 M sodium tartrate?
Cesium-131 is a short lived radioisotope (t1/2= 9.7 days) used to treat prostate cancer. How much theraputic strength does a Cesium-131 source lose over 60 days? Express your answer as a percent of the strength the source had at the begining of th..
You use 27.5 mL of NaOH to titrate 100.0 mL of HCl and 18.4 mL of NaOH to titrate 50.0 mL of 0.0782 M H2SO4. What are the concentrations of the HCl and NaOH respectively?
A solution of ethanol (C2H5OH) in water is prepared by dissolving 60.0 mL of ethanol (density = 0.79 g/cm3) in enough water to make 235.0 mL of solution. What is the molarity of the ethanol in this solution?
Find the molarity of a solution prepared by dissolving 120 g CaCl2 (MW = 111 g/mol) in 450 cm3 of solution.
For the reaction: N2(g) + 2 O2(g) ? 2 NO2(g), Kc = 8.3 × 10-10 at 25°C. What is the concentration of N2 gas at equilibrium when the concentration of NO2 is twice the concentration of O2 gas.
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