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Using the standard hats of formation, what is the enthalpy change per mole of CO2 for the following reaction?
CO(g) + 1/2O2(g)->CO2(g)
a. -506KJ
b. - 284KJ
c. +284 KJ
d. +506 KJ
e. -617 KJ
Compute the zero point energy of a harmonic oscillator consisting of a particle of mass 2.50x10-26 kg and force constant 155 N m-1.
Problem- Water is a key component of biological systems. Which of the following statements is false with regards to the chemical properties of water. Water has a dipole moment.
Mechanism for bromobenzene + magnesium turnings + annhydrous diethyl ether + methyl benzoate + H2SO4 --> triphenylmethanol
How much limestone in kilograms would be required to completely neutralize a 5.2 x 109 L lake containing 5.0 x 10-3 g of H2SO4 per liter
Dr. Pepper has 40.0g of sugar per 12 oz. of liquid. Calculate the molarity of this solution. Put that molarity into your regression line and calculate the density (all other things being equal) of this sugar solution. Show your work
What substance is in excess? D) How many grams of the excess reactant is leftover (remaining) after the reaction stops
A system receives 625 J of heat and delivers 315 J of work. Calculate the change in the internal energy, ?E, of the system.
a fishing boat accidentally spills 15 barrels of diesel oil into the ocean. each barrel contains 42 gallons. if the oil
Draw a structural formula of an alkene or alkene(s) that undergo acid-catalyzed hydration and without rearrangement give 1-methylcyclohexanol as the MAJOR PRODUCT?
an element has 3 stable isotopes with natural abundances of 11 17 and 72. the masses of those isotopes are 19.9 21.9
An equilibrium mixture contains 0.450 mol of each of the products (carbon dioxide and hydrogen gas) and .200 mol of each of the reactants (carbon monoxide and water vapor) in a 1.00 L container.
An electron traveling at 2.5×105m/s has an uncertainty in its velocity of 1.18×105m/s . What is the uncertainty in its position?
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