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A student measures incorrectly and mistakenly records a value for the ice's mass that is too high. How will this mistake affect the calculated value for Hf? Explain.
What are the equilibrium concentrations of each reactant and product? (All three substances are gases at 250 °C)
How many grams of H2O (g) are theoretically produced from 1026.9 g of sucrose, C12H22O11 (g), and an excess amount of oxygen? C12H22O11 (g) + O2 (g) → CO2 (g) + H2O (g) (unbalanced)
Determine the value of pH of given solutions that are (a) a solution that is 0.40 M CH3CO2H, (b) a 0.40 M CH3CO2H solution, (c) 0.20 M NaCH3CO2. And explain your answer too?
Add electron dots and charges as necessary to show the reaction of potassium and bromine to form an ionic compound.
Calculate the freezing point and boiling point of a solution of 383 g of glucose dissolved in 400 g of water
Calcium phosphide is used to make fireworks. Write a conversion factor that converts between moles of calcium ions in calcium phosphide, Ca3P2, and moles of Ca3P2.
explain in detail, using thermodynamics principles, why the mixing of pure chemicals to form homogeneous mixture is a so-called spontaneous process
Analysis of the products revealed two methylated sugars: 2,3,6-tri-O-methyl-D-glucose, 2,4-di-O-methyl-D-glucose and 2,3,4,6-tetra-O-methyl-D-glucose. The ratio of these sugars was 20:1:1. determine the structure of the polysaccharide?
how to choose a solvent that can be used to recrystallize a product that is less soluble than the reactant
Using curved arrows to symbolize the flow of electrons, write the stepwise mechanism for the acid-catalyzed esterification of p-aminobenzoic acid to give ethyl p-aminobenzoate.
How many atoms of neon occupy a volume of 14.3 L at STP.
what mass of precipitate will form if 1.50 L of concentrated Pb(CLO3) is mixed with 0.550 L of 0.230 M NaI ? assume the reaction goes to completion.
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