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Question: A car of mass m is initially moving with a velocity v. The driver hits the brakes due to which the retarding force on the car is equal to F = -ke^(-bt). Find the time that it takes for the car to come to rest.
Calculate the standard reaction enthalpy for the following reaction. N2H4(l) + H2(g) -----> 2NH3(g) Given: N2H4(l) + O2(g) -------> N2 (g) + 2H2O(g)
what causes an increase in the solubility of a gas in a solvent in which the gas does not react with the solvent to form a new substance?
Phosphorus-32 is used in the form of Na2HPO4 in the treatment of chronic myeloid leukemia, among other things. (a) The isotope decays by beta-particle emission. Write a balanced equation for this process.
In the titrating vinegar expirment briefly explain if the following errors would result in high or low expermental determination of the molar concentration of ch3cooh
Hydrogenation reactions are used to add hydrogen across double bonds in hydrocarbons and other organic compounds. Use average bond energies to calculate DELTA Hrxn for the following hydrogenation reaction:
the utilization of one glucose molecule is involved d. oxygen is produced e. none of the above. Which answer is correct and WHY?
What is the pH at the equivalence point when 100.00 mL of a 0.200 M solution of acetic acid (CH3COOH) is titrated with 0.10 M NaOH to its end point?
When a container is filled with 3.00 moles of H2, 2.00 moles of O2, and 1.00 mole of N2, the pressure in the container is 465 kPa. What is the partial pressure of O2
Aceticle acid is a weak acid with pk=4,75.what is the pH of a solution prepared by adding 0,1 mol of acetic acid and 0,03 mol of NaOH to water at a final volume of 1liter. use henderson-hasselbach equation for calculations.
an aqueous vinegar sample contains 5.4 acetic acid by mass and has a density of 1.006 gml. calculate the amount of
Estimate the temperature above which this reaction is spontaneous. DS0 = 16.1 J/K. CH4(g) + N2(g) + 163.8 kJ ® HCN(g) + NH3(g)
how heavy in pounds is a gold bar at Fort Knox (dimensions of 7.0 in x 3 5/8 in x 1 3/4 inches? If the current price for gold is $1400 per troy ounce, how much is 1 bar of gold worth in ? (make sure you look up troy ounce!)
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