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In what form does BH3 ordinarily exist? Give the name, molecular formula, and molecular structure of this substance.
Magnesium hydroxide is used in several antacid formulations. When it is added to water it dissociates into magnesium and hydroxide ions. Mg(OH)2(s) Mg2+(aq) + 2OH-(aq).
If the mixture of solid nickle(II) oxide and 0.20 M carbon monoxide is allowed to come to equilibrium at 1500 K, what will be the equilibrium
Calculate the pH of a solution formed by mixing 65-mL of 0.22M NaHCO3 with 75-mL of 0.15M Na2CO3.
If several large air bubbles entered the graduated cylinder filled with water when it was inverted into the water trough, what would the effect be on a plot of volume H2(g) vs. mass Mg?
26.0cm of a solution containinh 1.86g of X2CO3 in 250 reacted completely with 27.0cm of solution contain 3.65g of HCL per dm,calculate the molar mass of X2CO3 and relative atomic mass of X, and identify X.
discuss the various ways that the Fischer esterification reaction can be run to maximize conversion to ester.
Fructose contains only C,H, and O. 17.1g of carbon dioxide gas and 7.26 g of water vapor were produced when 12.1 g of solid fructose were combusted with excess of oxygen gas.
Describe how you would purify p-nitrobenzoic acid from a mixture of a 9.0 g of p-nitrobenzoic acid and 2.0 g of o-nitrobenzoic acid using recrystallization.
When aluminum is placed in concentrated hydrochloric acid, hydrogen gas is produced. 2Al(s)+6HCl(aq) yeilds 2AlCl3(aq)+3H2(g). what mass of Al(s) if required to produce 725.5 mL of H2(g) at STP
Why does the color of a precipitate change from the color of the original solution. For example, if copper sulfate is blue, why is it's precipitate white
How many grams of sucrose must be added to 552g of water to give a solution with a vapor pressure 2.o mmHg less than that of pure water at 20 celsius?
what is happening to the observed cell potential, Ecell and E0Cell as Zn2+ increases and Cu2+ decreases?
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