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if the blood contains 10.5mg/dL of calcium and the human body normally contains 6 quarts of blood, what mass of calcium (in grams) will be found in the total blood volume?
The reaction between white phosphorous and oxygen produces solid tetra phosphorus decoxide (P 4 O 10 ).
If 3.00 moles of ZnS are combined with 4.00 moles of O2, how many moles of ZnO can be produced?
Imidazole is a weak acid, and thus reacts with strong bases to form the corresponding anion. Show this reaction, and draw resonance structures that account for the stability of conjugate base.
The first ionization energy of bismuth is Ei1=+703 KJ/mole. What is the longest possible wavelenghth of light that could ionize an atom of bismuth?
How is acetyl chloride produced? If 915 gallons is produced and shipped, will DOT require the carrier to display the flammable placard? Explain your answer.
Determine How many moles each are in 1.30L of the saline solution if a physiological saline solution contains 174mEq/L each of Na+ and Cl - .
A solid brick of dry ice (CO2) weighs 0.75 kg. Once the brick has fully sublimated into CO2 gas, what would be the volume of solid brick at STP.
For the reaction CO+O2 -> CO2 , what is the maximum amount of CO2 (44.0095 g/mol) which could be formed from 16.73 g of CO (28.0101 g/mol) and 0.251 mol of O2 (31.9988 g/mol)? Answer in units of mol
a gas sample occupies 4.20 l under a pressure of 800 torr at 350K.At what temperature will it occupy 3.60 L at the same pressure?
A sample of gas confined in a 2.0L container at 930 Torr and 25oC was heated to 45oC. What was the final pressure?
A 235mL solution is prepared with 41.8 millimoles of an unknown sodium salt of a deprotonated organic acid (NaX). If the solution has a pH of 8.05, what is the pKa of the acid?
A helium-filled balloon has a volume of 2.75 L at 17 C. The volume of the balloon decreases to 2.36 L after it is placed outside on a cold day. What is the outside temperature in K?
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