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Why is a generic naming system often used for the elements with the highest atomic number?
a gaseous mixture of and contains 37.8 nitrogen by mass. what is the partial pressure of oxygen in the mixture if the
When all of the products and reactants are gases, the type of equilibrium that will be established is a
What volume of gaseous chlorine at STP would you need to obtain a 250.0 g sample of gas
What combustion products are produced when materials made from polyacrylonitrile smolder and burn. What combination of properties is responsible for the selection of trinitrotoluene as a military explosive
the rate constant of some reaction double with 10 degree rise in temperature. assume that a reaction takes place at 295
Lead thiocyanate, rm Pb(SCN)_2, has a K_sp value of 2.00 times 10^{-5}.Calculate the molar solubility of lead thiocyanate in 1.00 it M rm KSCN.
a solution of vinegar is 5.40% by mass acetic acid in water. assuming the density of vinegar is 1.00g/mL, what is the molarity of the acetic acid?
What volume of 0.420 M NaOH solution is needed to completely neutralize
volume of 2.25 L at 278 K and 1.01 atm. Calculate the pressure when the volume is 1.95 L and the temperature is 303 K.
Predict the products of the acid-base reaction between acetic acid and methanamine. Draw the molecules or ions and include charges were needed.
Identify the weaker acid in each of the following pairs: a)HNO3 or HCO3^- b)HSO4^- or H2O c)H2SO4 or H2CO3
the speed of sound in air is 344 ms at room temperature. the lowest frequency of a large organ pipe is 30 s-1 and the
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