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A sample of gas has a temperature of 0 celsius and a volume of 453 m. At constant pressure, the temperature is raised to 100Celsius. What is the new volume
Calculate the standard emf for each of the following reactions:a)H2(g) + F2(g)---> 2H+(aq) + 2F-(aq)
Two methods for determining Hg in coal fly ash using atomic absorption were used to see if both methods would give the same results. In the first method only HNO3 is used for digestion,
which one of the following alkyl halides gives the highest ratio of substitution to elimination on treatment with sodium ethoxide in ethanol, and why?
Nitrogen and hydrogen combine at high temperature, in the presence of a catalyst, to produce ammonia. N2(g)+3H2(g)-->2NH3(g) Assume 4 molecules of nitrogen and 9 molecules of hydrogen are present.
Write an orbital diagram for the ground state of the Calcium atom. Is this atomic substance diamagnetic or paramagnetic
If 85.0 J of heat is added to 50.0 g of nickle at 25.0 C , what is the final temprature of the nickle?
A 1.25g sample of ore containing iron pyrite (FeS2) was pulverized and ignited in air, converting the Fe2O3 and SO2. The Fe2O3 produced weighed 0.516g.
Calculate the empirical and molecular formulae of A and B. Deduce the structural formulae of A and B. State the type isoerism exhibited by A and B.
If 0.500 g of antacid was added to 50.00 mL of 0.100 M HCL and 5.65 mL of 0.100 M NaOH was required to titrate the un-neutralized HCL, calculate the actual neutralizing capacity of the antacid in mmol H+ per gram.
Match each item in Column A with the corresponding item in Column B regarding the processes of nitrification and denitrification: Column A Column B a. NH4+ i. Electron acceptor for denitrification
How would benzephenone move on a TLC compared to an alcohol? and WHY do they move differently.
Consider a glass of 298 mL of water at 30°C. Calculate the mass of ice at -15°C that must be added to cool the water to 10°C after thermal equilibrium is achieved.
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