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Intravenous or IV solutions utilized in medicine must exert the same osmotic pressure as blood to prevent a net flow of water into or out of the blood cells. The proper concentration for an intravenous NaCl solution is 0.90 g NaCl per 100mL of water (sometimes refered to as 0.90% m/v). If the van't Hoff factor of NaCl is i = 1.8, explain what is the osmotic pressure of blood at body temperature, 37 °C?
the water temperature rose from 20.27oC to 26.87oC. If the mass of water surrounding the calorimeter was exactly 1000 g and the heat capacity of the bomb calorimeter was 1.75 kJ/oC, calculate the molar heat of combustion of CH3OH. The specific hea..
for a solution having 1 x 10-3 equivalentsliter total alkalinity contributions from hco3- co32- and oh- at h4.69 e-11
an unknown gas sample is collected in a 255 ml countainer at 25c and 755 mm hg. how many moles of gas are present?
what is the sum of ALL the coefficients in the equation?
Explain how many milliliters of water vapor, measured at 318 degrees C and 735torr, are formed when 33.6mL of NH3 at 825torr and 127 degrees C react with oxygen according to the following equation. 4 NH3 + 2 O2 ---> 2 N2 + 6 H2O
Explain, in detail, how concentrated sulfuric acid catalyzes the Fischer esterification reaction? Use structures to illustrate your point
Derive an expression for the number of molecules with a speed (c) greater than some specified speed (c'). Recall that the number of molecules having speed in a certain range is the integral under the Maxwell-Boltzmann speed distribution curve ..
Michaeal Warren, a 45 years old movie director, has abdominal pain cramps as well as diarrhea. He has been taking ampicillin for the bacterial infection he acquire from shooting in a remote jungle a month ago. He is as well reported of having feve..
What is the molecular formula for a substance that contains in 1.00 mole of sample 1.00 mole of S, 24.1 x 10 to the 23rd atoms of F, and 71.0 grams of Cl
What is the balanced formula unit equation for the reaction Mercury(II) nitrate reacts with sodium sulfide to form mercury(II) sulfide, which is very insoluble, and sodium nitrate
When the following oxidation-reduction reaction in basic solution is balanced, what is the lowest whole-number coefficient or OH-, and on which side of the balanced equation should it appear
concentrated sodium hydroxide is 19.4 m and 50.5 naoh by mass. what is the density of the concentrated naoh?please show
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