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What volume of oxygen, measured at 0.891atm and 18 degrees Celsius is needed to burn completely 4.18L of butane measured at 1.34atm and 38 degrees celsius? The gas-phase reaction is 2C4H10 (g) + 13O2 (g) ----->8CO2 (g) + 10H2O (g).
3.953g of egg shell was reacteed with 50ml of 0.1 mol/l hcl and shel contains ca2co3 after all the sheell reacted resultign solution was placed in a columetric flask and th colume made up to be 100ml.
For each line in the hydrogen spectrum, how do you deduce n2 (the upper state) and n1 (lower state) and if you could record the absorption spectrum of hydrogen gas, what would it look like?
the heat of vaporization of water 40.66 kjmol at 100 degc. compute the quantity of heat that is absorbedreleased when
If 1 gallon of paint can cover a square room and ceiling with walls that are 9.36 feet high and 9.36 long, what is the thickness of the paint (in micrometers)?
The Ka of phenol, C6H5OH, is 1.00 x 10-10. What is [OH-] in a 0.874 M solution of phenol? Use E notation and 3 significant figures.
Antibonding MOs always have at least one node. Can a bonding MO have a node. If so draw an example.
write equations for the chemical reactions that occurred between the aqueous solutions of the oxides of sulfur and calcium and between the aqueous solutions
The substance X is an element which has the elemental form of X(s) at 25oC. The standard enthalpy of formation of HXO4(g) is -818.0 kJ/mol at 25oC. The standard entropy of HXO4 (g) and X(s) are, respectively 175.8 J/mol•K and 30.70 J/(mol•K) at 25..
If a battery operates at 2.7 V, what voltage will someone get if someone put: a.) three of these batteries in parallel b.) four of these batteries in series How do I go about working this type of problem
the exhaled air contains 6.2% H2O and 15.3% O2 by volume. How many moles of H2O are expelled from the body each minute? How many moles of O2 are absorbed by the body each minute?
The rate at which a compound travels through a particular GC system depends on numerous factors. List the five factors and number them one through five.
Write the balanced net ionic equation for this reaction. How many H+ are there in the balanced equation?
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