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For the first-order reaction below, the initial concentration of A is 0.240 M. If the concentration of A decreases to 0.0800 M after 21.8 hours, what is the half-life of the reaction
If 6.01 grams of Nh3 reacts completely, how many grams of water should theoretically be produced?
how many moles og Agcl are produced when 100.0mL of 358 M silver nitrate and 50.0mL of .716 M sodium chlroide are mixed?
where all compounds are assumed as covalent then determine which reaction must be endothermic and also explain your answer briefly?
a graduated cylinder contains 133 of water. a 10.0 piece of iron density 7.86 and a 16.0 piece of lead are added.
A solution is prepared by dissolving 179 g sucrose (C12H22O11) in enough water to produce 1.15 L solution. What is the molarity of this solution?
Metals ions can also be placed in a spectrochemical series. In this case, larger effective nuclear charges generally lead to larger values for (delta) . Based on this principle, predict a spectrochemical series for the following ions
iron pyrite fes2 is the form in which much of the sulfur exists in coal. in the combustion ofcoal oxygen reacts with
The solubility of O2 (g) in water is 4.43mg O2/100 g H2O (20ºC and 1 atm). What is the molarity (M) of this saturated solution?
At what temperature will 6.21 g of oxygen gas exert a pressure of 5.00 atm in a 10.0-L container
Calculate the new volume of a 7.0Liter balloon if the pressure is reduced from 1.0 atmosphere to 0.80 atmosphere (assume the temperature remains constant)
explain why the compound carbon tetrachloride is completly nonpolar , depite having four polar bond whereas the compound
If the final solution has a bromide ion concentration of 1.26 M, what was the concentration of the SrBr2 solution? (the volumes are additive) I dont understand how to write the reaction
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