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What is the percent yield of a reaction in which 260. g phosphorus trichloride reacts with excess water to form aqueous phosphorus acid (H3PO3) and 127 g HCl?
Suppose that 0.35 mol of hydrogen gas and 0.35 mol of clorine gas are placed in a 1L reaction vessel at a certain temperature, and the following reaction comes to equilibrium
Many scientists and business professionals describe the achievement as a turning point. Provide a summary of what took place during the project and why such activity is significant for us today.
If a single pill contains 0.150 grams of KCN How much HCl in grams would be necessary to consume all of the KCN
Explain qualitatively how the results of the experiment would differ when potassium tert-butoxide is used as the base instead of potassium hydroxide. A correct answer will identify how the result(s) would differ, and explain mechanistically why th..
When 29.0 mL of 0.605 M H2SO4 is added to 29.0 mL of 1.21 M KOH in a coffee-cup calorimeter at 23.50°C, the temperature rises to 30.17°C. Calculate ?H of this reaction.
The vapor pressure of carbon tetrachloride, , is 0.354 atm and the vapor pressure of chloroform, is 0.526 atm at 316K . A solution is prepared from equal masses of these two compounds at this temperature.
A transition mutation for the second codon of glu would result in a gly. Explain the consequences of this, if the glu that was mutated was in the central region of a alpha-helix
calculate the pH and concentration of all species present assuming that the activity coefficients are equal to 1.0 for all species
If vitamin A is 83.86% Carbon and 10.56% Hydrogen by mass then determine the the molecular formula this vitamin A.?
the mass propotion of Mg:N=18:7. if 3.60 g reacts with 4.20 g N2 gas so the mass of product Mg3N2 is?
How many kilojoules of energy are required to heat 50.0 g of ethanol from -20.0°C to 68.0°C?
What is the ionization state of aniline (protonated, deprotonated, or a mix) at pH 1, 4.6, and 14?
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