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A police officer is driving due north at a constant speed of22 m/s relative to the ground when shenotices a truck on the east-west highway ahead of her, driving westat a high speed. She finds that the truck's speed relative to hercar is 53 m/s (about 120 mph). What is the truck's speed, relative to the ground?
Carbon monoxide gas burns in oxygen to form carbon dioxide gas. Write a balanced equation for the reaction and determine the volume of oxygen needed to react completely with 561 mL of CO at 40.0°C and 1.00 atm.
how do i calculate delta G at a given temperature when delta H and delta S remain unchanged
Ethanol fills a cylindrical glass tube 15.0inches long. We find that the mass of ethanol needed to fill the tube is 9.4g. Calculate the internal pipe diameter in inches. (The density of ethanol is 0.789 g / ml)
In the titration, 20.46 mL of the sodium hydroxide was used to react with 0.1082 grams of KHP. What is the molarity of the NaOH?
A peat soil was found to have the following Langmuir constants for the adsorption of heavy metals. Using the nonlinear Langmuir equation above, show the equations and plot the nonlinear adsorption isotherms for the three metals
if 100 mL of 0.100 M NaCl is added to 100 mL of .01 M NaCl, what is the concentration of Na ions in the final solution?"
when a suspension of particles is centrifuged the sedimentation rate of a particle is proportional to the force
a sample of 1.518g of KHC8H4O4 was dissolved in water and titrated with an NaOH solution. 26.90 ml were required to reach the equivalence point. Calculate the molarity of the NaOH solution
Consider the reaction between 15.0 mL of a 1.00 M aqueous solution of AgNO3 and 10.0 mL of a 1.00 M aqueous solution of K2CrO4. When these react, a precipitate is observed. What is present in solution after the reaction is complete? Note: the sol..
Calculate the pH when 26.6 mL of 0.0025 M HCl is added to 100.0 mL of pure water. Comment and hint in the general feedback.
At equilibrium 1.12e-02 mol of HCl is found in the reaction mixture. Calculate the equilibrium pressures of all gases in the reaction vessel and the value of KP for the reaction. Pick the correct statement from the multiple choices. Use the value ..
strontium metal crystallizes in a cubic unit cell which has an edge length of 612 pm. if the mass of an atom of sr is
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