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Problem- Question- Elemental analysis of the unknown gas reveals that it is 30.45% N and 69.55% O. What is the molecular formula for this gas?
Given -In an effusion experiment it was determined that nitrogen gas, N2 effused at a rate 1.812 times faster than an unknown gas. The molar mass of the unknown gas is 91.98 g/mol
Please illustrate work if possible thanks
Write the eqn for each large-extent B/L A/B rxn which occurred on making this mixture. Do this by starting with the rxn that involves the strongest B/L A with the strongest B/L B. Label this rxn (i). Continue writing eqns in this "strength order" ..
What volume of hydrogen gas is produced when 0.829 mol of iron reacts completely according to the following reaction at 0oC and 1 atm?
How much heat is evolved in converting 1.00 mol of steam at 155.0C to ice at -45.0°C? The heat capacity of steam is 2.01 J/(g⋅°C) and of ice is 2.09 J/(g⋅°C)
Calculate Qsp for calcium fluoride (Ksp=3.9x10^-11) when 195.0 mL of a 0.00780 M solution of Ca(NO3)2 is added to 175.0 mL of a 0.00740 M solution of KF
Question- Draw the major organic product formed when the compound butan-2-one undergoes a reaction with CH3CH2MgBr and then is treated with water.
the heat of vaporization of benzene c6h6 is 30.8 kjmol at its boiling point of 80.1 degc. how much heat is required to
A reagent bottle is labeled 0.388M Na2SO4. assuming no volume change, how many grams of Na2SO4 (MM=142.05g/mol) needs to be added to 1.50L solution to obtain 0.750M solution of Na2SO4?
Gas A has a density of 0.20 g L-1 as well as gas B has a density of 0.80 g L-1, both at the same specific temperature and pressure. Which gas wills diffuse faster. Briefly define
A gaseous reaction occurs at a constant pressure of 40.0 atm and releases 68.0 kJ of heat. Before the reaction, the volume of the system was 9.00 L. After the reaction, the volume of the system was 2.00 L.
Find the confidence limit (95% confidence level), true value (from literature), absolute error, and relative error).
Problem- the typical energy differences for transitions in the microwave, IR, and electronic spectroscopies are 5x10^-22 J , 0.5x10^-19 and 1x10^-18 J. 1) Calculate the ratio of the number of molecules in two adjacent energy levels at 300 K in each..
Can someone please show me the product when Para-Xylene undergoes an acylation with acetyl chloride
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