Explain ph at the equivalence point in a titration
Calculate pH at the equivalence point in a titration between 10.0 mL acetic acid (0.1000M) and sodium hydroxide (0.1000M)
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Recently, the use of mammograms to screen for breast cancer was in the news. Let's suppose that 1% of women aged 30 - 40 have breast cancer and that a mammogram detects 90% of all cancers.
Calculate (a) the work output of the turbine (kJ/kg), (b) the feed pump work (kJ/kg), (c) the heat rejected in the condenser (kJ/kg).
This field is created by two parallel plates separated by 12 with a potential difference of 250 across them. a) What is the speed of the protons as they enter the electric field?
Consider a guessing game, where a number between 2 and 12 is chosen by rolling two dice. Try to find the best strategy for a player to guess the number.
Assuming the compressor has an isentropic efficiency of 80 % and there is no pressure drop through the condenser and evaporator, determine (a) the rate of heat loss to the ambient from the compressor, (b) CopR.
Two very small spheres are initially neutral and separated by a distance of 0.56 m. Suppose that 6.9 x 1013 electrons are removed from one sphere and placed on the other. What is the magnitude of the electrostatic force that acts on each sphere?
A solution is prepared by dissolving 0.17mol of acetic acid and 0.17 mol of ammonium chloride in enoughwater to make a 1.0 L of solution. Find the concentration of ammonia in the solution
A 1.6-m-tall woman stands 2.0 m in front of a convex funhouse mirror with a focal length of 2/3 m . Use ray tracing to determine the location of her image. Use ray tracing to determine height of her image.
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Hi Sierra, great examples of physical, cognitive, and social-emotional activities we can use to encourage children in playful ways.
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