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Problem- What is the freezing point of 0.100 M NaNO3(aq)? The freezing point depression constant of H2O is 1.86o C/m
A. 0.186 oC B. -0.186oC C. 0.372 oC D. -0.372oC E. 18.6oC
Using textbook reference solve the reactions given in above problem
Problem- Complete and balance the following oxidation-reduction reaction under acidic conditions. Make sure to write out all half-reactions and assign all important oxidation states.
In the above system, if lead nitrate is added to sodium chromate, what concentration of lead nitrate is required to begin formation of a precipitate? CHOOH(aq) + H2O(l) CHOO-(aq) + H3O+(aq)
the solution diluted in half by water ( 1mL of X and 1mL of H2O) has an absorbance at 425 nm of 0.8 and a molar extinction coefficient of 1.5 x 10^3 M^-1 cm^-1. what is the molar concentration of the original solution of X
Formic acid (HCOOH) is secreted by ants. Calculate [H3O+] for a 7.80E-3 M aqueous solution of formic acid (Ka = 1.80E-4).
Suppose some of the solid Calcium Hydroxide is inadvertently transferred along with a supernatant liquid for analysis. Will more, less, or the same amount of HCL titrant be used for analysis
what is the effect of soil ph on the available forms of phosphrousp in the soil solutionand the dominant phosphrousp
strontium metal crystalizes in a cubic unit cell which has a edge length of 612 pm. If the mass of an atom of Sr is 87.62 amu, and the density of Sr is 2.54 g/cm3.
World energy supplies are often measured in the unit of quadrillion British thermal units (10^12 Btu ), generally called a "quad." In 2015, world energy consumption is projected to be 5.81 x 10^17Kj
Potassium permanganate (7.57 g) reacts with sulfuric acid (10.32 g) as per the chemical equation shown below. Which reactant will remain after the reaction is complete
Compute molarity of silver nitrate (AgNO3) in a solution prepared by adding 1.62*10-2 g of AgNO3 to sufficient distilled water to bring the solution volume to 100mL
The molar heat capacity of a compound with the formula C2H6SO is 88.0 J/mol-K. what is the specific heat of this substance.
A large pond is 300m by 95m with an average depth of 2.5m. Assuming that the pond is saturated with oxygen, calculate the amount of sugar (C12H22O11) in kg that would be sufficient to completely consume the dissolved oxygen.
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