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thermal and photochemical reaction of 2Z,4Z,6Z octatriene. I need diagrams with arrows to show the electron shifts resulting in the ring closure. draw diagrams of the products.
if a sample of 2.63 L of neon is collected at 730 torr and 26 degrees C, what volume will the gas occupy at 1.10 atm and 10 degrees C?
The volume of NaOH added at the equivalence point was 5.15 mL. Calculate the concentration of the HCl solution
How many kJ of heat are required to produce 13.7g NO2, by 2NO2+ O2 --> 2NO2. the heat of reaction is 113.04
Consider the reaction CaCN2 + 3 H2 O → CaCO3 + 2 NH3 . How much CaCO3 is produced if 47.5 moles NH3 are produced?
Suppose that each sphere represents 6.7×1021 molecules and that the volume of the container is 1.0 L. What is the rate constant for the reaction in the usual units?
you have a 30.0 L cylinder of helium at a pressure of 132 atm and a temperature of 24 degrees Celsius. the He is used to fill balloons to a volume of 3.00 L at 1.07 atm and 29 degrees Celsius.
A weather balloon has a volume of 750 L when filled with helium at 8 oC at a pressure of 380 torr. What is the new volume of the balloon when the pressure is 0.20 atm and the temperature is -45 oC?
what amount of heat would need to be added to 5.0 x 103 g of water to change its temperature from 21c to 84c?
What is the equilibrium concentration of hydronium ion in a solution that is 0.041 M in HF and 0.19 M in F1- ion.
The temperature of a 35.2 g sample of iron increases from 23.7 °C to 29.5 °C. If the specific heat of iron is 0.450 J/g-K, how many joules of heat are absorbed?
DNA Coiling and Topoisomerase, draw a circular DNA molecule that contains 3 negative supercoils. In this DNA molecule, make L = 250 and T = 253. Don't draw the details here i.e., all 250 of the strand passages around each other.
3.8 g of a hydrocarbon fuel is burned in a calorimeter that contains 234 grams of water initially at 25.00 ? C. After the combustion, the temperature is 26.55 ? C
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