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A 21.5 g sample of a metal is immersed in boiling water at 100.0°C and then transferred to a calorimeter containing 75.0 g of water at 22.5°C . The final temperature of the water is 27.0°C. What is the specific heat of the metal?
The molecule iodine monochloride ICl has a diple moment of 1.6 D and a bond length of 2.32 A. What is the effective charge on I in untis of electronic charge e
for a set of non-degenerate energy states with energy ekb 0 100 200k calculate the probability of occupying each state
0.76 grams of acetic acid is solvated in enough water to make 50 mL of solution. The Ka for acetic acid is 1.8x10^-5. Calculate the concentration of the hydronium cation at equilibrium.
Determine the mass in kg of one molecule of water.- Determine the mass in lbm of one molecule of methane.
Calculate Keq for 2 moles of electron(s) in each half-reaction and a standard potential of 0.12 V. Calculate Keq for 2 moles of electron(s) in each half-reaction and a standard potential of (-0.54) V.
What is the product in a base catalyzed aldol condensation reaction between: 2 mmols acetone and 8 mmols benzaldehyde? 2 mmols acetone and 8 mmols 4-methylbenzaldehyde
Explain A silver block, initially at 56.2 C, is submerged into 100.0 g of water at 24.4C, in an insulated container. The final temperature of the mixture upon reaching thermal equilibrium is 27.4 C. Define What is the mass of the Silver Block
A compound has 2 ionizable groups, with pKas of 6.2 and 9.5. A 1.0 M solution of this compound (100 mL total volume) is found to have a pH of 6.8. A biochemist adds 60 mL of 1.0 M HCl to this solution. The solution pH is now:
In a 0.34 M solution of sodium acetate, what concentration of hydronium ions comes from the self-ionization of water? pKb for acetate anion is 9.246
Titration of the I2 produced from .1045g of primary standard KIO3 required 30.72ml of sodium thiosulfate, Calculate the concentration of the Na2S2O3
Determine the [NaCl] in ppm in the original diluted 100 mL flask.
if 156 ml of wet h2 is collected over water at 24 degrees celcius and a barometric pressure of 737 torr how many grams
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