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53.5 g of an ideal gas of molecular weight = 10.5 g/mol is confined at a pressure of 50 kPa. The density of the gas is 0.164 g/L. Compute the temperature of the gas in degrees Celsius.
Pathological consequences might ensue if various components of the regulation of signal transduction are altered inappropriately.
In an acid-base titration experiment, 50.00 mL of a 0.0500 M solution of acetic acid (ka=1.75 x 10^-5) was titrated with a 0.0500 M solution of NaOH at 25 degree C
The Ksp value for copper(II) sulfide is 6.0 × 10 -37. What is the molar solubility of this compound?
Write the names of the following compounds. Use proper spacing and spelling. (a) AgNO35 H2O (b) KCH3CO26 H2O (c) Ca(OH)24 H2O
A bone sample with 2.8 g of carbon has 17.4 disintegrations per minute. How old is the bone sample in years. What percentage of the atoms of carbon in the biosphere are C-14?
What is the value of the reaction quotient, Q, for the cell that is constructed from the two half-reactions when the Zn2+ concentration is 0.0100 M and the Ag+ concentration is 1.25 M
sample of a 0.116M potassium sulfate solution is mixed with 38.5mL of a 0.126M lead(II) acetate solution and this precipitation reaction occurs:
At 50 degrees celsius a sample of ammonia gas exerts a pressure of 6.5 atm. What is the pressure when the volume of the gas is reduced to 20% of the original value at the same temperature
Reactions with the following values of ^H and ^S are spontaneous or nonspontaneous and whether they are exothermic or endothermic:
the vapor pressure of pure A and pure B are 76.5 kPa and 48.2 kPa respectively. When the total vapor pressure is .593 atm, calculate the mole fraction of A and B in the liquid mixture
If all of the below solutions are 0.5M in each of the compounds, what is the concentration (M) of each ion in solution
The initial volume of the balloon is 5.00 , and the pressure is 760. The balloon ascends to an altitude of 20, where the pressure is 76.0 and the temperature is 50. What is the new volume, of the balloon in liters, assuming it doesn't break or leak
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