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When mercury (II) oxide is heated, it decomposes to form liquid mercury and oxygen gas according to the following balanced chemical equation:2HgO(s) ? 2Hg(l) + O2(g)
Suppose in a certain experiment, a quantity of mercury (II) oxide decomposes completely and produces 72.3 mL of oxygen gas, measured at 692.8 torr and 43.4oC. What mass of HgO must have been present initially? (R = 0.08206 L atm K-1 mol-1)
What is the empirical formula of a compound that contains 49.4% K, 20.3% S, and 30.3% O by mass
Blood alcohol content (BAC) is often reported in weight-volume percent (w/v%). For example, a BAC of 0.08% corresponds to 0.08 g CH3CH2OH per 100 mL of blood.
Sulfamic acid is a primary standard that can be used to standardize NaOH. What is the molarity of a sodium hydroxide solution
how do you calculate the vapor pressure of water above a solution prepared by dissolving 34.9 g in glycerin c3h8o3 to
Write a balanced equation for the combination reaction described, using the smallest possible integer coefficients. When zinc oxide combines with water, zinc hydroxide is formed.
A solution contains 4.64g KCl in 178 mL of solution. The density of the KCl solution is 1.14 g/mL. What is the molarity,M, for the potassium chloride solution?
solution requires 18.6 mL of 0.200 M NaOH to reach the end point of the titration, what is the molarity of the acetic acid solution? CH3COOH (aq) + NaOH(aq) CH3COONa (aq) + H2O(l)
Using all the inorganic reactants neccessary and only CH3I and acetylene as carbon based compounds, make (2S,3R)-2,3-butanediol. Show both a retrosynthesis and forward synthesis.
Draw all stereoisomers having molecular formula C6H12 that contain one double bond and give the IUPAC name for each compound
an aqueous solution contains the amino acid glycine (NH2CH2COOH). Assuming that the acid does not ionize in water, calculate the molarity of the solution if it freezes at -2.7 Degree celsius
Identify the ground state with spin multiplicity for the following cases: Cu2+ in a Td environment V3+ in an Oh environment Cr3+ in an Oh environment Mn2+in a Td environment Cu2+ in an Oh environment
Calculate the minimum amount of triphenylmethanol required to prepare 10.0kg of triphenylmethyl methyl ether.
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