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1. Calculate the volume of carbon dioxide at 273 K and 1.01 * 10^5 Pa which would be produced when 1.25g of calcium carbonate reacts completely with HCL. and2. When 41.18 cm^3 of a solution of silver ions with concentration of .2040 mol dm^-3 is added to a solution of XO4 -3 ions 1.172g of precipitate are formed.i) calculate the amount in moles of Ag+ used in the reaction.ii)Calculate molar mass of precipitateiii)Determine the relative atomic mass of X and identify the element.
How many milliliters of .200 m NaOH are needed to neutralize 100.ml of .100 m HCl
A supernatant from a saturated calcium hydroxide solution is titrated with a standardized hydrochloric acid solution to the methyl orange endpoint
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Calculate the reversible potential difference between the two wires when the activity of dissolved zinc chloride is 0.01 molal (mol/kg H20). Indicate the direction of the spontaneous reaction and the sign of the electrodes.
A reaction has an activation energy of 32 kj/mol. If the temperature of the reaction doubles from 45 to 90 degrees by what factor will the ratio of the rate constants, k2/k1,change
calculate the molarities of solutions that contain the following masses of solute in the indicated volumes a 25.8 g of
Briefly describe experiments and expected outcomes to differentiate whether this inhibitor is a competitive inhibitor or a mixed inhibitor.
Calculate the molar mass of the uknown compound. The boiling point elevation constant for water is0.52°C/m
A sample of gas is cooled from 440 K to 330 K, if the initial volume was 1.6 L, what was the final volume?
The hemoglobin of blood, a protein, is known to contain 0.335% iron by mass, Structural evidence indicates that there are four atoms of iron per molecule
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why are methylene chloride and ethanol used to recrystallize trans-1,2-dibenzoylethylene
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