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Classify the solid state of the subsequent substances as ionic crystals, covalent crystals, molecular crystals or metallic crystals. (a) CO2, (b) B12, (c) S8, (d) KBr, (e) Mg, (f) SiO2, (g) LiCl, (h) Cr
compound of carbon and oxygen contains 3.00g of carbon and 8.00g of oxygen, what is the mass percent of carbon in the compound?
Calculate the equilibrium partial pressure of bromine gas. No approximations can be made because the equilibrium constant is too large. I2 (g) + Br2 (g) 2IBr (g)
Count Rumford observed that nine burning candles generate heat at the same rate that a single horse driven cannon-boring piece of equipment generates heat.
Classify the following salt solution as neutral acidic or basic. Explain and use quilibrium value constants
The specific rotation of Compound X is +15.2o. A mixture of Compound X and its enantiomer are placed in the polarimeter and the observed rotation is -5.1o. Which enantiomer is in excess? (+ or -) Calculate the enantiomeric excess.
Three possible resonance structures are shown below for the SO2Cl2 molecule. Using formal charge, determine the order of stability of the three structures (i.e. the order in which they contribute to the overall resonance hybrid structure).
Use the octet rule to predict the formula of the simplest compound formed from hydrogen and silicon.
how many liters of o2 can be made from 342g H2o2 if the density of o2 is 1.428g.
The above reaction yields a mixture of two Diels-Alder adducts. In the box below draw the structure of both products.
Identify the statements that accurately explain how hydrogen ion concentration relates to energy production in oxidative phosphorylation.
Calculate the Gibbs energy change for the denaturation of the protein at pH = 2 and T = 303 K. Assume the enthalpy and entropy are temperature independent between 298.15 and 303 K.
Determine the final state and temperature of 100g of water orginally at 25 dgree after 50 kj heat added to it. Ist water, water steam or steam
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