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A person accidentally swallows a drop of liquid oxygen, O2(l), which has a density of 1.149 g/mL. Assuming the drop has a volume of 0.035 mL, what volume of gas will be produced in the person's stomach at body temperature (37°C) and a pressure of 1.0 atm?
the active ingredient in toothpaste is sodium fluoride an anticavity agent. a 170 g tube of toothpaste lists the
a balloon filled with 39.1 mole of helium has a volume of 876l 0.0oc and 1.00 atm presssure. the temperature of the
The pKb values for the dibasic base B are pKb1 = 2.1 and pKb2 = 7.6. Calculate the pH at each of the following points in the titration of 50.0 mL of a 0.95 M B(aq) with 0.95 M HCl(aq).
A 1.00 g sample of enriched water, a mixture of H2O and D2O, reacted completely with Cl2 to give a mixture of HCl and DCl. The HCl and DCl were then dissolved in pure H2O to make a 1.00 L solution
Acetone (CH3)2CO, has a larger dipole moment than water, but NaCl will not dissolve in it.
A 1.5 L acid solution contains .35g total of HCl and HBr. The pH of the solution is 2.40. What are the masses of HCl and HBr
What was the pH at the end of the reaction? e) What would the final pH be in the absence of any buffer?
What element within the reactants is oxidized in the following equation, and what element is reduced. I2 + 2 Br - ? 2 I- + Br2
how many moles of HNO3 are present in 33.0 mL of a 4.70M solution ?
Determine the limiting reactant and also calculate how much of the gas is produced?
what would be the chemical equation to this problem? In an investigation of the reaction between copper(II) ions, Cu2+, and hydrazine, N2H4, in alkaline conditions the following observations were made: 25 mL of a solution containing 25 g/L CuSO4.5..
Solubility Constant, Ksp of Reactant, The chemical reaction representing the soluability of AGBr is: AgBr (right and left arrow) Ag^+ +Br^-
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