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The activation energy of a certain reaction is 52.9 kJ/mol. How many times faster will the reaction occur at 35 degrees C than at 25 degrees C?
Draw the skeletal structure for major organic product produced when the arene given reacts with 2 equivalents each of Na and HOCH3
A reaction vessel contains 13.9g of CO and 13.9g of O2. How many grams of CO2 could be produced according to the following reaction? 2CO + O2 ---> 2CO2
What is the connection of Ion-Product Expression (Qsp) and the Solubility-Product Constant(Ksp)
What is the volume in mL of 0.762 M HCl(aq) needed to reach halfway to the equivalence (stoichiometric) point in the titration of 41.9 mL of 0.457 M N2H4(aq) (Kb = 1.7 x 10-6).
Show the products of each reaction and indicate which pair of reactants will result in a precipitation reaction? A) Ba(NO3)2(aq) + Na2CO3(aq)
considering the heisenbergs uncertainty principle compute the uncertainty in the position of a 1.50-mg mosquito moving
What would the atom ratio of 206-Pb to238-U be in a uranium mineral from a rock that is 1.0× 10^9 years old? t1/2(238-U)= 4.5 × 10^9 yr.
At 0.0 degrees C, if the volume of air is 1.7 mL and the pressure of the atmosphere that day is 695 mmHg, what is the number of moles of air?
the pH at the equivalence point. the pH after adding 6.0 mL of acid beyond the equivalence point
A piece of copper has a volume 640 L. How many atoms does the sample contain.
For the molecule shown below, choose all the statements that are true. Soluble is where at least 10 drops of the compound can be added to a particular solvent (in this case, water or hexane-- CH3CH2CH2CH2CH2CH3) and the result is one homogeneous l..
combustion of 1.031g of a compound containing only carbon, hydrogen and oxygen produced 2.265g if carbondioxide and 1.236g of water. What is the empirical formula for the compound?if the molecuar weight is 180.3g, what is the molecular formula?
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