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The rate constant for a particular second-order reaction = 0.47 M-1s-1, the initial concentration of reactant = 0.25 mol/L, then determine how long will it take for the concentration to decrease to 0.13 mol/L express your answer in seconds.
Determine What is the final concentration and calculate what is the Ksp of this salt at temperature of 25 degrees Celsius?
A scientists places 4.00 moles of Argon, Ar (g) and 2.00 moles of Helium, He (g) into a flask at the temperature of 298 Kelvin and measures the pressure to be 3.00 atm. calculate the pressure due to Helium gas?
Determine how much energy will be required to heat 69.7 gal of H 2 O from 22 degree Celsius to 110 degree Celsius if it is given that 1.00 gal weighs 3.77 kg and water has a specific heat capacity =4.184 J/g C
What mass of Au is produced when 18.6 ampere of current are passed through a gold solution for 29.0 minutes.
Multiple choice questions in organic chemistry - Which of the following statements are true about the processes of melting and freezing?
Give explanation for arrangements how you decide the boiling points comparison - Arrange all these compounds in order of increasing boiling points
Calculate How many grams of pure, solid sodium hydroxide are needed to make 500 mL of 0.15M NaOH solution and also express the answer in just 2 significant figures?
What is the final concentration of Na+ after adding 230 ml of water to a stock solution of 2.5M 420.0 ml Trisodium phosphate?
Using A sample having X amount of oxalic acid. If 0.5187 grams of the sample requires 40.20 mL of 0.1000 M Sodium hydroxide to neutralize the oxalic acid completely.
We are asked to explain the pH and how to find hydrogen ion concentration - Find the pH of an acidic substance of your choice.
Evaluate the electronic configuration for ionization energies of Magnesium, the orbital number in which the electrons are added in phosphorus ion, and the one will lose in the ionization of Alluminium.
Compare alkalide ion with the neutral alkali atom - For a given alkali metal, how does the ionic radius of the alkalide ion compare to that of the neutral alkali metal atom? Explain using physical arguments.
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