An organic compound X was found to contain only C, H, and Cl. The following experiments were carried out with compound X: 1) When a 1.50-g sample of the compound was completely combusted in air, 3.52 g CO2 was formed. 2) When a 1.00-g sample of the compound was allowed to react with an excess of Ag, 1.27 g of AgCl was obtained. Determine the empirical formula of compound X. C9H4Cl C6H4Cl2 C9H6Cl C3H2Cl2 C6H5Cl

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What is the mass of the initial sample burned?

Consider the copper thermite reaction, a reaction between two solids that can be initiated with strong heating: 3 CuO(s) + 2 Al(s) → 3 Cu(s) + Al2O3(s) 25.0 g of copper(II) oxide are combined with 25.0 g of Al , and the mixture is heated strongly to react. molar masses (g/mol):  CuO - 79.55    Al - 26.98    Cu - 63.55 What is the chemical formula or elemental symbol for the limiting reactant?   What is the chemical formula or elemental symbol for the excess reactant?

Question 25 of 97 Submit DDT was an insecticide used to prevent mosquito borne diseases. Due to the harmful effects on birds and fish, it is now banned in the US. However, other countries still use it to control mosquitos. It can be prepared by the reaction shown below. Determine the amount of DDT that can be produced and the percent yield for this reaction. 2C6H,CI + C2HOCI, – C,4H9CI, + H20 2 3 NEXT If a company in South America started with 1175 g of chlorobenzene (C6H5CI, MW 112.55 g/mol) and 538.5 g of chloral (C2HOCI3, MW 147.39 g/mol), set up the table below that represents 100% yield with the given reaction conditions. 2C6H,CI C2HOCI, C1.H,Cls H2O Before (mol) Change (mol) After (mol) O RESET 3.132 -3.132 3.654 -3.654 7.308 0. + -7.308 10.44 -10.44 MacBook Air F12 II F8 F10 F11 000 F9 20 F3 F7 F4 F5 F6 esc F2 F1 +.

1. Consider this reaction: P4 + 6 Cl2 → 4 PC13 (a) How many moles of PC13 can be made from 16.5 mol P4? (b) How many grams of PC13 can be made from 42.4 g of P4?

An excess of sodium carbonate, Na2CO3, in solution is added to a solution containing 17.87 g CaCl2. After performing the experiment, 12.51 g of calcium carbonate, CaCO3, is produced. Calculate the percent yield of this reaction.

ABS plastic is a polymer consisting of three monomer units: acrylonitrile (C₃H₃N), butadiene (C₄H₆), and styrene (C₈H₈). A sample of ABS plastic contains 13.7% N by mass. It took 1.56 g of Br₂ to react completely with a 2.00 g sample of ABS plastic. Bromine reacts 1:1 (by moles) with the butadiene units in the polymer and nothing else, so bromination is a method for determining the quantity of butadiene in the polymer. What is the percent by mass of styrene in the polymer?

Upon combustion, a 0.8009 gg sample of a compound containing only carbon, hydrogen, and oxygen produces 1.6004 gg CO2CO2 and 0.6551 gg H2OH2O. Find the empirical formula of the compound.

Give the balanced equation for each of the following. The combustion of ethanol, C3H7OH, forms carbon dioxide and water vapor. A combustion reaction refers to a reaction of a substance with oxygen gas. Aqueous solutions of lead (II) nitrate and lithium phosphate are mixed, resulting in the precipitate formation of lead (II) phosphate with aqueous lithium nitrate as the other product. Solid magnesium reacts with aqueous H2SO4 to form aqueous magnesium sulfate and hydrogen gas. Aqueous strontium hydroxide reacts with aqueous hydrochloric acid to produce water and aqueous strontium chloride.