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Question- A 16.15L tank contains 932 Torr of CF4 at 46C. 27.2g of CO2 are added. What is the density of the gas mixture?
Provide your answer in scientific notation
A little trouble understanding what to do in this question: It has been reported that the reaction of Ca-40 with W-186 produces Mg-40. If only one other nuclide is formed by this reaction, write out a balanced nuclear reaction
If the concentration of mercury in the water of a polluted lake is 0.375 ug (micrograms) per liter of water, what is the total mass of mercury in the lake, in kilograms, if the lake has a surface area of 14.65 square miles and an avery depth of 35..
A 1.245 gram sample of a compound containing barium and oxygen was dissolved in hydrochloric acid to give a solution of barium ion, which was then completely precipitated out with an excess potassium chromate to give 2.012 grams of barium chromate..
the hydrogen gas generated is collected over water at 25 c. the volume of the gas is 246 ml measured 1.00 atm.
For 1 mol of an ideal gas, pext = p = 101 kPa (pressure remains constant). The temperature is changed from 100 degrees C to 25.0 degrees C. Calculate q, w, ΔU and ΔH. Assume CV,m = 3/2 R.
A 1.543 g sample containing a sulfate ion was treated with barium chloride reagent and 0.2243 g of barium sulfate was isolated. Compute the percentage of sulfate ion in the sample.
How come when you add an electron to an anion, the ionic radius increases, but as you go right across a periodic table, atomic radius decreases
calculate the amount of heat liberated in kj from 295 g of mercury when it cools from 82.0degc to 12.0degc. the
Would applying a high pressure stabilize the CsCl form, or the NaCl form of this compound? (hint: calculate the volume per formula unit)
Calculate the maximum number of moles and grams of H2S that can form when 152 g aluminum sulfide reacts with 147 g water.
Low molecular weight ketones are soluble in water. Explain what is the shortest length of the carbon chain where insolubility becomes important
Suppose a piece of silver jewlery contains 5.00 * 10^22 of silver. how many dozens of silver atoms are in the piece of jewlery.
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