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The average kinetic energy of UF6(g) is 4.98 kJ/mol at some temperature. What is the average kinetic energy of SF6(g) at that same temperature?
A box contains a mixture of small copper spheres and small lead spheres. The total volume of both metals is measured by the displacement of water to be 423 cubic centimeters and the total mass is 4.30kg.
Explain a sample of water (H2O) contain 8.75 mol of H atoms. Explain how many moles of O atoms does it contain
How would the absorbance of the standard solution have been affected if 0.00050 M NaSCN had been used in place of 0.00040 M? if it changes, calculate the new absorbance based on your values.
How many grams (to the nearest 0.01 g) of NH4Cl (Mm = 53.49 g/mol) must be added to 550. mL of 0.906-M solution of NH3 in order to prepare
Calculate the % yield from an experiment that produced 5.85 grams of Nitrogen gas from the combustion of 66.92 grams of CH3NH2 with 79.8 grams of O2 at 273°K and 1 ATM CH3NH2(g) + O2(g) → CO2 + N2 + H2O.
At the end of the trip, the pressure gauge reads 1.95 atm. What is the new Celsius temperature of the air inside the tire?
Show how to synthesize 2-methyl-2-pentene from an alkyl halide and an aldehyde or ketone, plus any other necessary reagents. Then show the reagents necessary to convert butyraldehyde into the following. There may be one more step
calculate the heat released when 166g of water at 23 degrees celcius is converted to ice at negative 10 degrees celcius
suppose that 0.90 grams of water condenses on a 75.0 grams of block of iron that is initially at 20 degrees celcius.
Assuming that the yield or synthesis of dibenzalacetone is 60%, calculate how much benzaldehyde and acetone you need to use to obtain 5.30 g of the final product. 2. Describe briefly how would you determine which isomer (E or Z) of dibenzalacetone ..
The rate of disappearance of HBr in the gas phase reaction 2HBr (g) → H2 (g) + Br2 (g)
the ksp of the phosphate fertilizer cahpo4. 2h2o is 2.7 x 10-7nbspat 25oc.what is the molar concentration of a
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