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Formic acid, HCOOH, is a weak electrolyte What solute particles are present in an aqueous solution of this compound? Write the chemical equation for the ionization of HCOOH.
Based on the law of conservation compute how many grams of oxygen are needed in the following reaction if 12.43 g of magnesium was consumed and 34.54g of MgO is produced
Write a balanced half-reaction for the oxidation of chromium ion (Cr^3+) to dichromate ion (Cr2O7^2) in acidic aqueous solution. Be sure to add physical state symbols where appropriate
Which reaction responds more strongly to changes of temperature, one with an activation energy of 52 kJ mol-1 or one with an activation energy of 25 kJ mol-1
Aliphatic amines are stronger bases than ammonia why. and readily dissolve in acid why. The substitution of an aromatic ring reduces the basicity of an amine Why, but it will still generally be soluble in dilute acid
What mass of Fe(OH)3 would be produced by reacting 75.0mL of a 0.0810M Fe(NO3)3 solution with 125 mL of a .150 M NaOH solution.
The reactant concentration in a second-order reaction was 0.410 M after 190s and 1.60×10^?2 M after 820s . What is the rate constant for this reaction
Calculate the mass of the protein that must be dissolved in 40 mL of water to obtain this concentration
State the mass and charge balance equations for a solution that is 0.15 M in NaF as well as saturated with CaF2.
what is the density of a block of marble that occupies 238 cm3 and has a mass of 973
Methylene blue and diphenylbenzidine sulfonic acid are redox indicators that turn from colorless in the reduced state to blue (methylene blue) or violet (diphenylbenzidine sulfonic acid) in the oxidized state. Indicate whether each is a suitable i..
The Ksp of zinc oxalate (ZnC2O4) at a given temperature is 7.70 x 10-5 M. Calculate the molar solubility in 0.7657 M zinc nitrate at this temperature.
2-ethylcycloheptanol- draw the skeletal structure of the carbocation intermediate that leads to the major Organic product when this is reacted with H+ and heat.
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