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The accompanying graph illustrates the decay of 4288Mox which decays via positron emission.
(a)What is the half-life of the decay?
(b) What is the rate constant for the decay?
(c)What fraction of the original sample of 4288Mox remains after 12 min?
(d)What is the product of the decay process?
Archeologists can determine the age of artifacts made of wood or bone by measuring the amount of the radioactive slope 14C present in the object. The amount of isolope decreases in a first-ordrr process.
The concentration of A was 0.30 M after 23 seconds. What was the initial concentration of A. Assume the stoichiometric coefficient for A is 1.
Compute the pH of a solution made by mixing eighty grams of NaCH3COO, to 39 grams of CH3COOH, and adding in H2O to produce 500. mL of solution.
Why is it important to know both the equilibrium properties and the kinetic properties of a reaction
Question- What the standard thermodynamic quantities for CO2(s) at 25 degrees Celsius for Delta Hf^0, Delta Gf^0, S^0
Carbon monoxide and water vapor, each at 190 Torr, were introduced into a 250 mL container. When the mixture reached equilibrium at 690 ?C, the partial pressure of CO2(g) was 108 Torr.
Question- Part-1 Write a balanced equation for the coupling reaction of bromobenzene on the metal surface to form biphenyl.
At a given temperature, 1.40 atm of H2 and 2.03 atm of I2 are mixed and allowed to come to equilibrium. The equilibrium pressure of HI is found to be 1.305 atm. Calculate Kp for the reaction at this temperature.
How much heat is evolved in converting 1.00 mol of steam at 130.0 C to ice at -50.0 C? The heat capacity of steam is 2.01 J/g*C and of ice is 2.09 J/g*C.
a buffer solution is formed by combining 50.0 ml of 0.022 m benzoic acid and 20.0 ml of 0.032 m sodium benzoate
Give a definition of the ?outer. Explain what structural features of the solvent contribute to the value of this term.
Calculate the final temperature of a mixture of 170.0 g of ice initially at -16.5 degrees celsius and 334.5 g of water initially
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