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A clinic took temperature readings of 250 flu patients over a weekend as well as discovered the temperature distribution to be Gaussian, with a mean of 101.40°F as well as a standard deviation of 0.5340. Explain use this normal error curve area table to find the following values.
(a) Explain what is the fraction of patients expected to have a fever greater than 102.79°F?
(b) Explain what is the fraction of patients expected to have a temperature between 100.87°F and 102.20°F?
The filter cake consists of K2CrO4 crystals and a solution that contains 36.36wt% K2CrO4. The crystals formed account for 95% of the mass of the total filter cake. The solution that passes through the filter, also 36.36wt% K2CrO4, is the recycle s..
A system has four energy levels. The degeneracies of these energy levels are as follows: g0 = 3, g1 = 2, g2 = 1, g3 = 4. For 20 gas molecules, at T = 0 K, how many molecules are in the first excited state
calculate the temperature (in EC) at which the vapor pressure is 760 torr. The vapor pressure of Ethanol is 115 torr at 34.9EC
calcium oxide or lime is produced by the thermal decomposition of limestone in the reaction cacomc062-1.jpgs
Calibration standards. Transfer 1.00, 5.00, 10.00, 15.00 and 20.00 mL aliquots of 10ppm F- solution to 100 mL flasks. Add 50 mL of TISAB containing CDTA to each
How many grams of CaCO3 will dissolve in 2.8 multiplied by 102 mL of 0.050 M Ca(NO3)2? Calculate the molar solubility of AgCl in a solution made by dissolving 10.0 g of CaCl2 in 4.50 L of solution.
What mass of Fe will form when 63.0g of CO reacts with 145g of Fe2O3 according to the following equation? 3CO+Fe2O3->2Fe+3CO2.
Explain what are the smallest (first answer box) and largest second answer box masses of formic acid that would give titration volumes within the limits above. Note- two significant figures are required
The total molarity of acid and conjugate base in this buffer is 0.100 M . A student adds 9.00 mL of a 0.290 M Hcl solution to the beaker. How much will the pH change. The pKa of acetic acid is 4.760.
What is the energy per photon of the lowest frequency of electromagnetic radiation that can be used to observe a gold atom with a diameter of 280 picometers.
your friend gives you a bottle that contains eitherhydrochloric sulfuric or phosphoric acid. she also tells you the
Tris base (pKa=8.1) was dissolved in .5L of water to give the final concentration of 1 M. How much does the pH change after addition of 1mL of 10N HCL
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