Calculate the total concentration of all ions
Calculate the total concentration of ALL ions present in the solution, when 0.102moles of (NH4)3PO4 is dissolved in the enough water to make 0.500L of solution.
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At 25 degrees C a certain first-order reaction has a rate constant of 1*10^-31/s If the reaction rate doubles when the temperature is increased to 35 degrees C, calculate the activation energy for this reaction in kj/mol.
The relativistic train having proper length 70 m passes via a tunnel with an appropriate length 50 m. At this speed, determine how much time elapses for a cross-country trip of 5000 km, as calculated on the train?
You are appointed by Coca Cola to find out the mean number of ounces of Coke that is going in each can. You take a random sample of 100 cans and precisely measure how much each contains. The mean amount in sample is 11.57 ounces, and the standard
When it moves through the lab at 0.970 c, determine how far does it travel before decaying, as calculated in the lab?
An airline finds out that 5% of the persons wo make reservations on certain flight don't show up for that flight. If the airline sells 160 tickets for flight with only 155 seats, determine the probability that a seat will be available for every pe
In order to encompass an initial acceleration of 1.7m/s^2, what rate should propellant mass be ejected from the rocket?
Calculate the concentration of the acetic acid when a volume of 18.95mL of .5025M NaOH solution was required to titrate 1.00ml of acetic acid to the phenolphthalein end point.
After wheel starts moving, Shirley takes 16 seconds to reach top of wheel. How high above ground is she when wheel has been moving for nine minutes?
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1. Exploring the concept of sexual health and its key components which define it 2. Reflecting on the fundamental epidemiological questions
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