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Why do the metals Co, Rh, and Lr form octahedral complexes (rather than tetrahedral or square planar complexes)? Hint: Look at the placement in the periodic table and the respective electron configurations.
Determine how much heat is released when 15.7 kilo grams of ethane forms If 112 kilo joule is given off per mole of ethene reacting,?
What is the concentration of Ba(OH)2 solution if 22.0 mL of 0.200 M H3PO4 is needed to neutralize
you purchase a cup of coffee, but, at 98.4 degrees C, it is too hot. You add 45.5 g of ice that is -2.2 degrees C to the 248ml of coffee. What is the final temperature of the coffee?
Find the number of unpaired electrons, magnetic moment and ligand field stabilization energy (LFSE).
Use a molar mass of 800g/mol for the vegetable oil and use a density of 0.88g/mL for vegetable oil and 0.79 g/mL for methanol to calculate how many moles of ethanol are used.
A piece of a newly synthesized material of mass 25.0g at 80 degrees C is placed in a calorimeter containing 100g of water at 20 degrees C. If the final temp of the system is 24 degrees C, what is the specific heat capacity of this material?
here why is the -NHCOCH3 group less activating in electrophilic substitution compared to the -NH2 group
how many grams of HNO3 must be dissolved to make 25L of a solution that has a pH of 1.5
After heating, the remaining solid weighed 0.427 g. Assuming all the CaCO3 broke down to CaO and CO2, calculate the mass percent of CaCO3 in the original mixture.
A sample of an ideal gas has a volume of 3.55 L at 13.20 °C and 1.60 atm. What is the volume of the gas at 22.80 °C
How many mL of oxygen gas, measured at 757.2 mm HG (uncorrected) and 22.8 C by the displacement of water, would you expect to obtain from the complete decomposition
The mass of 322 mL of hydrogen gas at 4.0 atm and -73°C is 1.21 grams. What is the density of hydrogen gas at STP?
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