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Four Cl- ions can act as ligands to form a complex ion with Cu2+. What is the overall charge of the complex ion?
Calculate the final temperature of 37 mL of ethanol initially at 11 degrees C upon absorption of 624 J of heat. (density of ethanol =0.789 g/mL).
Calculate the resulting pH if 400 mL of 0.50M HCl is mixed with 300 mL of 0.080 M NaOH.
whether these collisions are elastic or inelastic makes no difference as long as the walls are at the same temperature as the gas. Explain. Explain the kinetic molecular theory of gases
A 4.22g sample of CuS was added to excess HCl, and the resulting H2S was collected over water. What volume of H2S was collected at 32 degrees celsius
A quantity of N2 is kept in a 12.8 L contianer at a temperature of 42 C and at pressure of 4.7 atm. how many grams of N2 are in the container?
A solution containing 100g of unknown liquid and 900g water has a freezing point of -3.33C. Given Kf=1.86C/m for water, determine the molecular weight of the unknown liquid and express your answer in g/mol.
Hydrogen cyanide, HCN, is a poisonous gas. The lethal dose is approximately 300 mg HCN per kilogram of air when inhaled.
Can you please explain the molecular bonding of hydrocortisone. How many functional groups and what are they? I need the explanation of the actual chemical structure
How many grams of liquid methanol (CH3OH) are needed to heat 425 mL of water from 18 oC to 43 oC by combustion with oxygen.
Consider all the valence electron pairs of the central atom-both those that are shared in covalent bonds, called bonding pairs, and those that are unshared, called non-bonding pairs or unshared pairs.
The heat of combustion of cyclobutane is 650.3 kcal/mol. How much energy is released during the complete combustion of 450 grams of cyclobutane.
How many grams of hydrogen are necessary to react completely with 50.0 g of nitrogen in the following reaction: N2+3H2 = 2NH3 ?
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