What is the initial concentration of the iodide ion
A 75mL mixture is prepared with 30mL of potassium iodide of concentration 0.180M, 15ml of Na2S203 of concentration 0.0036M and30mL of (NH4)2S208 of concentration 0.180M.
What is the initial concentration of the iodide ion?
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If the wall thickness of the tube is 3 mm, What must the diameter be so that the safety factor against yielding (with respect to max shear stress theory) is 1.5?
According to a survey of 25,000 households conducted by Nielson Company, 51% of the people watching the 2010 Super Bowl enjoyed the commercials more than the game itself. Consider a random sample of nine people who watched the Super Bowl:
Why do you think that it takes a significantly stronger electric field strength to move the beam of alpha particles compared to the beam of electrons?
What is the probability that either six or seven people enjoyed the commercials more than the game? What are the mean and standard deviation for this distribution?
A 75mL mixture is prepared with 30mL of potassium iodide of concentration 0.180M, 15ml of Na2S203 of concentration 0.0036M and 30mL of (NH4)2S208 of concentration 0.180M.
An e-commerce web site claims that 6% of people who visit the site make a purchase. answer the following questions based on a random sample of 15 people who visited the web site.
The critical resolved shear stress for a metal is 25 MPa. Determine the minimum possible yield strength (in MPa) for a single crystal of this metal that is pulled in tension.
A charged particle A exerts a force of 2.69 to the right on charged particle B when the particles are 13.7 mm apart. Particle B moves straight away from A to make the distance between them 17.7 mm. What vector force does it then exert on A?
The piston-cylinder system expands to 200°C and 100 kPa. How much work did the Carnot engine produce? Show your work.
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