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Draw a representation for TPCP that would represent its structure if the phenyls were perpendicular to the 5-membered ring (a "paddle-wheel" structure) and a representation that represents the "propeller" structure shown by the computer. The "propeller" structure is chiral. Is the paddle-wheel structure chiral or achiral? How do you know?
In what region of the electromagnetic spectrum wil the electron transitions from a higher energy state to n1=3 appear for the hydrogen spectrum?
a balloon contains 0.140 g of helium at a pressure of 1.00 atm. at what temperature will the balloon have a diameter of
Which of the following correctly describes the observed result when gas particles attract each other? 1.) The gas behaves ideally 2.) The measured pressure is lower than the ideal pressure 3.) The measured pressure is higher than the ideal pressur..
Consider the equation A(aq) + 2B(aq) ? ? 3C(aq) + 2D (aq) In one experiment, 45.0 mL of 0.050 M A is mixed with 25.0mL of 0.100 M B. At equilibrium, the concentration of C is 0.0410 M . Calculate K.
calculate the volume of oxygen you would need at 1.00 atm and 298 k to completely oxidize 54 g of
what was the delta t for the metal? c) how much heat flowed into the water? d) taking the specific heat of water to be 4.18J/gC, calculate the specific heat of the metal e) what is the approximate molar mass of the metal using the equation MM=25/S..
A radioactive sample contains 2.50g of an isotope with a half-life of 3.8 days. How much of the isotope in grams will remain after 14.2 days
An aerosol can has an internal pressure of 3.85atm at 25 degrees celsius. What temperature is required to raise the pressure to 18.0atm
The decomposition of urea in 0.1 M HCl is first order in urea and first order overall. When [urea] = 0.200 M , the rate at 61.0 °C is 8.56 x 10-5 M/s. What is the concentration of urea in this solution after 4751 s if the starting concentration is 0..
0.90 g of hydrogen chloride (HCl) is dissolved in water to make 5.5 L of solution. What is the pH of the resulting hydrochloric acid solution?
A hemoglobin molecule can bind up to four oxygen molecul;es.in a certain experiment a 0.085L solution containing 6g of deoxyhemoglobin was reacted with an excess of oxygen in a constant pressure calorimeter of negligible heat capacity
Freon-12 (CCL2F2)is used as a refridgerant in airconditioners and as a propellant in aerosol cans. Calculate the number of molecules of Freon-12 in 5.56 mg of Freon-12/ What is the mass of chlorine in 5.56mg of Freon-12
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