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Given the following information, which of the following shows the acids in order from strongest to weakest? The order of atomic radii is I > Br > Cl, the order of bond strengths is HOI > HOBr > HOCl, and the order of electronegativities is Cl > Br >I
How many grams of sodium formate, NaCHO2, must be added to 750.0mL of .250 M of formic acid, HCHO2, to obtain a buffer with pH of 5.5
What is the best and easy way to determine the frequency (in hz) of the interacting photon. A photon interacts with a ground state electron in a hydrogen atom and is absorbed.
A solution is made by dissolving 0.0350 mol of HF in enough water to make 1.00L of solution. At 24°C, the osmotic pressure of the solution is .975 atm.
Determine the enthalpy change for the oxidation of ethanol to acetic acid, CH3CH2OH() + O2(g) -> CH3COOH() + H2O() given the thermochemical equations below.
A star is estimated to have a mass of 1x10^36 kg. Assuming it to be a sphere of average radius 7.5x10^5 km, calculate the average density of the star in units of grams per cubic centimeter.
An environmental engineer analyzes a sample of air contaminated with sulfur dioxide. To a 500. mL sample of air at 700. torr and 38°C, she adds 20.00 mL of 0.01017 M aqueous iodine, which reacts as follows:
The solubility of a gas in H2O at a temperature of 25 °C and a pressure of 1.2 atm is 0.042 M. What will the solubility of the same gas be in H2O at the same temperature at 3.4 atm.
Calculate the specific heat was? Would your computed specific heat be , too low, too high or not affected if you had not dried the metal before placing it into the Styrofoam cup. Explain your answer?
Determine how much fluorine was formed if A sample of NaF(sodium fluoride) produced 26.5 grams of sodium upon decomposition? express your answer (in grams)
An aqueous solution is 22.0% by mass silver nitrate, AgNO3, and has a density of 1.22 g/mL. What is the molarity of silver nitrate in the solution?
what is the density of a sample of ammonia gas, NH3, if the pressure is .928 atm and the temperature is 63.0 C?
Consider the following reaction: 2 HI(g) -> H2(g) + I2(g) If 3.55 moles of HI(g), 0.550 moles of H2, and 0.630 moles of I2 are at equilibrium in a 1.00 L container at 915 K
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