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A syringe containing 1.65 of oxygen gas is cooled from 94.6 to 5.0.What is the final volume of oxygen gas?
Write the condensed electron configurations using the noble gas convention for each of the ions in Kl, BaO, Rb2O, and AlCl3. Which of these ions are isoelectronic with Ar
a 4.0 gram sugar cube is dissolved in a 350 milliliter teacup. what is the molarity of the sugar solution.
What are the molality and mole fraction of solute in a 29.3 percent by mass aqueous solution of formic acid (CH3OH)?
Use the observations and arrange the following five reduction half-cell reactions in order, the one with the largest positive reduction potential listed first.
Which of the following chemical equations corresponds to the standard molar enthalpy of formation of N2O
What is the approximate pH of a solution of the salt NH4(O2CCH3) Ammonium Acetate? No calculations, only reasoning needed.
the air in the laboratory was measured with a barometer to be 7.20 x 10 squared mm Hg. what is the laboratory air pressure in atm.
The specific heat of liquid bromine is 0.226 J/g-K. How much heat (J) is required to raise the temperature of 10.0 mL of bromine from 25.00C to 27.30C? The density of liquid bromine: 3.12 g/mL
performed using 1.8912g of zinc and 1.5965g of iodine. Determine the limiting reactant and calculate the theoretical yield of zinc iodine in grams.
why must the Meltemp apparatus cool dwon to around 40 C between measurments? 5)why you expect ionic solids to have higher melting point than molecular solids?
A solution is prepared by condensing a 4.00L of a gas at 27 degress and 748 mmHG pressure into 58g of benzene. calculate the freezing point of the solution.
If 0.00936 mol neon gas at a particular temperature and pressure occupies a volume of 210. mL, what volume would 0.00793 mol neon occupy under the same conditions? What mass of neon gas is required to fill a 4.44-L container to a pressure of 1.30 a..
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