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Complete combustion of a hydrocarbon is a reaction where oxygen reacts with the compound to yield carbon dioxide and water. What is the correct balanced equation for complete combustion of CH4
For SO3 draw all possible resonant structures without violating the octet rule for S
How many possible resonance structures can you draw for SO3 without violating the octet rule for S
In a separate experiment using a very large reaction vessel with a movable piston, 6.00 moles of CO2 reacts completely with 3.00 moles of nitrogen gas according to the following equation at 25 C and
A flexible vessel contains 41 L of gas where the pressure is 1.2 atm. What will the volume be when the pressure is 0.76 atm, the temperature remaining constant
The Born-Haber cycle is a series of steps that represent the formation of an ionic compound from a metal and a nonmetal. For example, the steps in a Born-Haber cycle for the formation of NaCl(s) con
In a separatory funnel, which would be on top and which would be on the bottom; 10% NaOH and hexane
Suppose that 25g of each of the following substances is initially at 27.0 degrees C. What is the final temperature of each substance upon absorbing 2.30kJ of heat
A sample of 5.0mol CO2(g) is originally confined in 15dm^3 at 280 K and undergoes adiabatic expansion against a constant pressure of 78.5 kPa until the volume has increased by a factor of 3.0.Calcul
Consider an apparatus shows gases in two containers and one empty container. When the valves are opened and the gases are allowed to mix at constant temperature, what is the distribution of atoms in
How many moles of Oxygen are in an "empty" two-liter cola bottle at atmospheric pressure (1atm) at room tempertature (25 degrees celsius) assume ideal behavior
120.mL of H2O is initially at room temperature (22.0 degrees C). A chilled steel rod at 2.0 degrees C is placed in the water. If the final temperature of the system is 21.4 degrees C, what is the ma
Solid calcium oxide mixes with carbon dioxide gas. Diphosphorus pentoxide is added to water. Hydrogen sulfide gas is bubbled through a solution of silver nitrate.
how many possible resonance structures can you draw for SO3 without violating the octet rule for S
What is the volume of ammonia gas, measured at 489.9mmHg and 37.4oC, is required to produce 8.41g of ammonium sulfate according to the following balanced chemical equation
The molar heat capacity of silver is 25.35 J/mol (degrees C). How much energy would it take to raise the temperature of 11.8g of silver by 16.2 degrees C
Use the octet rule to predict the formula of the simplest compound formed from hydrogen and silicon.
Which of the following ionic compounds would be predicted to have the greatest (most negative) lattice energy. A. KBr
undergoes adiabatic expansion against a constant pressure of 78.5 kPa until the volume has increased by a factor of 3.0.Calculate q,w,delta T,delta U,and delta H.(The final pressure of the gas is no
Consider the following species with tetrahedral electron-pair geometries and select the species with the smallest predicted bond angles.
Which of the following pairs of molecules is listed in order of decreasing net dipole moment (from more polar molecule to less polar molecule)
Given stock solutions of 0.02 M tris pH 7.4 and 4 M NaCl, how would you prepare 10.0 ml of a 0.5 M NaCl, 0.01 M tris pH 7.4 (how many ml of tris, how many ml of NaCl, how many ml of water)
Air is about 78.% nitrogen molecules and 21.0% oxygen molecules. Several other gases make up the remaining 1% of air molecules.
Both CsCl and CaF2 exhibit a coordination number of 8 for the cations. What is the structural relationship between these two lattices