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1. a) Explain what is meant by the terms hydrostatic pressure and hydrodynamic pressure?
b) Which of these terms can be used when discussing cardiac output?
2. A radioactive isotope, used in the agricultural industry has a half life of 8 days. On application, the radiation is emitted is measured at 12500 counts per sec (cps). If the area that it is applied to cannot be used until the radiation strength is less than 50 cps how long will it take before the site can be used again? (Hint assume initial strength is 100%)
how many liters of 0.25 M NaOH would I have to add to a acidic solution of pH 3.365 to make a solution of pH 7?Acidic solution is 50mL.
A cell is constructed at 298 K based on the reaction 2 Co3+(aq) + 2 H2O(l) H2O2(aq) + 2 H+(aq) + 2Co2+(aq), E° = 0.14 V. Calculate the pH in the anode compartment if the cell emf = 0.23 V when [Co3+] = 0.17 M, [H2O2] = 0.72 M and [Co2+] = 0.48 M. ..
if a sample of 2.63 L of neon is collected at 730 torr and 26 degrees C, what volume will the gas occupy at 1.10 atm and 10 degrees C?
a sample of a mixture of kclo3 and kbr weighing 7.0950 g is heated in the presence of a small amount of mno2 which acts
The vapor pressure of ethanol at 34.7 degrees Celsius is 100mmgh, and the heat of vaporization of ehanol is 38.6 kj/ mol. What is the vapor pressure of ethanol in mm Hg at 65.0 degree celcius
how the isomerization from trans to cis isomer might occured. How does this compare to the isomerism of trans-[Co(NH3)4Cl2]Cl?
If the following elements were to form ions, they would attain the same number of electrons as which noble gas? Noble gases- He, Be, Ar
An alloy, initially weighing 50 grams, contains 90 atomic% silver and 10 atomic% copper. How many grams of copper would have to be added to make the alloy 12 atomic% copper?
Calculate the percent by mass of the solute CH2Cl2 in a solution made by mixing 453 mL of methylene chloride to 2.36 L of the solvent acetone
What is the concentration of magnesium nitrate in solution, and the concentration of nitrate ion in solution
90-g sample of a large biomolecule was dissolved in 23.0 g of carbon tetrachloride. the boiling point of this solution
calculate the volume of a chromium atom in microliters if the volume of a single chromium atomcr 8.10e-24 cm3.
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