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Calculate the volumetric size of a water molecule in vapor, assuming 1 mole of the vapor occupies 22.4 L, as if the vapor were an ideal gas. Give answer in angstroms, two significant digits.
state how much greater the bleach should be to be considered in large excess. if the dye is 1times10-5 m how much can
what is the pH of the hydroflouric acid solution prior to adding sodium fluoride? (b) how many grams of sodium fluoride should be added to prepare the buffer solution? Neglect the small volume change that occurs when the sodium fluoride is added.
determine the mass of aluminum acetate that can be made if i do this reaction with 125 grams of acetic acid and 275 grams of aluminum hydroxide.
A gaseous mixture of and contains 39.8 nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 545
Calculate the number of grams of CuSO4 needed to make 50.0 ml of a .25M solution of CuSO4 in 3.0M HCl.
Using standard molar entropy values, calculate delta standard molar entropy values for the following reactions. In each case account for the sign of delta standard molar entropy.
How do I find pressure exerted in the closed end of an apparatus if the atmospheric pressure is 720.0 torr and the height of the water column is 22.3 cm
Find the other sp hybrid orbital given the one below using orthonormal relationships. Psi2p=3(Psi2s) + 4(Psi2pz)
Determine the magnitude of the partial charges in HBr given that the bond length is 1.41 angstroms and the dipole moment is 0.82 debye.
A 100-mL sample of the juice took 9.58 of the iodine solution to reach a starch end point. What is the concentration of Vitamin C.
write a balanced equation for the reaction between the iodide ion, a peroxide, and the hydrogen ion.
For the reaction aA ? Products, use the following choices? a) zero order in A b) first order in A c) second order in A d) a, b, c e) none of the above so what is (1) [A] is constant and (2) the rate is constant over time
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