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Question- A particular reactant decomposes with a half-life of 173 s when its initial concentration is 0.308 M. The same reactant decomposes with a half-life of 225 s when its initial concentration is 0.237 M.
Determine the reaction order: 0,1,2
What is the value and unit of the rate constant for this reaction? k=?
Mention all the steps and procedure to determine the correct value
A 9.357g piece of iron with Cs of .449J/g*c is placed in a hot water bath with temperature of 98.3C. The metal is placed in a calorimeter that contains 50.0mL of h20(dh20 is 1.00g/mL) at 24.0C. Explain what the final temperature of the water is.
When sodium carbonate dissolves in water, the carbonate ion CO3^2- acts as a base. write a balanced equation for the reaction of the carbonate ion with water.
what volume of carbone dioxide ,measured at STP,would result from the reaction of 9.786 kg of oxygen with excess pentane
a gas occupying a volume of 139 ml at a pressure of .970 atm is allowed to expand at constant temperature until the
700 molecules of c14 labeled glucose are given to yeast cells that are producing alcohol. how many 14c atp molecules
A 0.355 g sample of a solid, monoprotic acid having a molar mass of 121 g/mol requires 18.47 mL NaOH for neutralization. Calculate the molarity of the NaOH solution.
what is the denisty of a substance if a 1.50ml sample has a mass of 0.550g at room temperature? what is the specific
The overall Kf for the complex ion Ag(NH3)2+ is 1.7x10^7. Ksp for AgI is 1.5x10-16. What is the molar solubility of AgI in an aqueous NH3 solution (Kb=1.8x10-5) with a pH of 12
what would be the volume of an ideal gas at absolute zero? what happens to real gases before they reach absolute zero?
A particular sports drink contains about 300 ppm sodium by mass. How many milligrams of sodium would be in an 8 oz. bottle of this beverage. Assume the density of the sport drink is 1.14 g/ml.
Use the dipole moments of HF and HCL (following) together with the percent ionic character of each bond to estimate Lewis structure of each reactant and product. Identify the free radicals
What would you expect to observe in terms of the angle of rotation if you were to double the concentration of a sample, but kept all other variables constant?
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