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Calculate the heat that must be supplied to 12.40 g of Ne(g) at 0.150 atm to raise its temperature from 25.0°C to 51.0°C under the following conditions. Assume that neon behaves as an ideal gas.
Calculate the maximum mass in grams of H2S that can form when 155 g aluminum sulfide reacts with excess water according to: Al2S3 + H2O => Al(OH)3 + H2S [unbalanced]
A chemist measures the amount of bromine liquid produced during an experiment. She finds that 766.g of bromine liquid is produced. Calculate the number of moles of bromine liquid produced.
Calculate the mass percent of methanol, ethanol, and MTBE, that must be present in gasoline to yield a mixture of 1.8% oxygen by weight.
a compound is composed of only C.H and O. the combustion of a 0.519-g sample of the compound yields 1.24g of CO2 and 0.255g of H2O.
An equilibrium mixture at 225 degrees C contains 0.10 M NH3 and 0.20 M H2 for the reaction 3H2 (g) + N2 (g) --- 2NH3(g) If the Kc at this temperature is 1.7 X 10 2.
What would be the value of the change in concentration of C10H12/change in time during the same period of time? Explain why a catalyst for a forward reaction must also be a catalyst for the reverse reaction. Include an energy level diagram
Explain Threshold / NOEL Levels of Chemical Toxins, What is the maximum average daily consumption(g) of such fish that would keep exposure level below the ADI or RfD for the compound?
Calculate the quantity of gas, in moles, if 127 L at 55.0 C has a pressure of 11.35 kPa.
What is the value of Kc for the decomposi- tion of ammonium carbamate into ammonia and carbon dioxide?
0.01M HCl reacts with 3.18 g Na2CO3. Here 50 mL of HCl is required for the reaction. Calculate the volume of CO2 produced at 273 K and 1 atm.
Determine the calculated pH of the solution if initially there is 2.0mL of CH3COOH at an initial concentration of 0.89M and 0.80mL of 1.0M Hydrochloric Acid is combined.
calculate the number of moles of KOH in 5.50 mL of a 0.360 M KOH solution.What is the pOH of the solution?
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