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Determine experimentally if Equation: Sn(s) + Ag+(aq) -> Ag(s) + Sn2+ (aq) is spontaneous or not. Describe or draw with a picture how you would set up the Equation reaction.
At 450 K the rate constant is 15.4 atm-1s-1. How much time (in s) is needed for NOCl originally at a partial pressure of 48 torr to decay to 16.0 torr?
The second scientist has a sample of the same substance with a mass of 80 grams. What is the half-life that she is most likely to measure?
What is the molality of a solution prepared by dissolving 10.0 grams of methylamine, CH3NH2, in 50.0 mL of ethanol, C2H5OH?
How many grams of Cu(OH)2 can be produced from the reaction of 0.500g Cu with 30.0 mL of 3.0M NaOH? what is the limiting reagent?
Alcohols such as cyclohexanol, on the other hand, do no function as radical scavengers. Explain why the two types of molecules differ in their ability to donate a hydrogen atom to a radical.
The melting point of water is 0.000C at 1 atmosphere. If 11.64 grams of chromium(II) acetate, (170.1 g/mol), are dissolved in 287.2 grams of water. what is the molarity? What is the melting point o
What mass of hydrogen can be produced from 2.90 g of aluminum and 14.0 g of HCl in the above unbalanced reaction? Use at least as many significant figures in your molar masses as in the data given.
What is the percent yield of the synthesis if a student doing this xperitment is able to isolate only 5.26g of the product.
You need 100.00 mL of H2O and 5.00 mL of liquid plant food to make a solution for your plants. You forgot to bring a measuring cup out to the greenhouse, but you do have a scale and know that the de
Most organic polymers are named based on the monomers used in their production. Why can't we use vinyl alcohol in this polymerization? Draw the structure of vinyl alcohol.
A sample of gas molecules has a temperature, T1 and a root mean square velocity, Vrms1. A second sample of the same gas has a temperature of 300K and a root mean square velocity of that is one half
Find the molecular weight of As4O10 ? Find the molecular weight of As4O10 ?
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?
A flask contains 0.180 mol of liquid bromine, Br_2. Determine the number of bromine molecules present in the flask.
From the ratio of the mass of the black product to the initial 5g placed in the flask, could the remaining black compound be the anhydrous copper carbonate hydroxide molecule Cu2CO3(OH)2?
What mass of ethylene glycol must be added to 1455 g of water to raise the boiling point to 104.7 degree Celsius ?
If the steel rods have a diameter of 60 mm and a length of 2.5 m, determine The time required to cool a steel rod from 900oC to 90oC in the water bath.
A solution composed of 50% ethanol (EtOH), 10% methanol (MeOH), and 40% water (H2O) is fed at the rate of 100 kg/hr into a separator that produces one stream at the rate of 60 kg/hr with he composi
How many grams of carbon dioxide can form when a mixture of 6.00 g ethylene (C2H4) and 2.50 g of oxygen is ignited, assuming complete combustion to form carbon dioxide and water?
The flask is removed from the bath and cooled, dried and reweighed. The new mass of the flask and condensed vapor is 115.23 g. Which of the following compounds could the liquid be?
A 105.5 mg sample of a white substance is suspected to be cocaine, C17H21NO4. The substance formed 279.3 mg of CO2 and 66.46 mg H2O on combustion. The compound contains 4.680% N by mass. Is the whit
Consider the combustion of {rm{H}}_2 (g):2{rm{H}}_2 (g) + {rm{O}}_2 (g) rightarrow 2{rm{H}}_2 {rm{O}}(g). If hydrogen is burning at the rate of 0.61 {rm mol/s}, what is the rate of consumption of o
Metallic aluminum reacts with MnO_2 at elevated temperatures to form manganese metal and aluminum oxide. A mixture of the two reactants is 67.2% mole percent Al. Find the theoretical yield (in grams
Suppose the pH of the water is 3.67 and that the concentration of iron(II) in the water is 6.93x 10-5 M, what is the potential of the corrosion reaction under the above conditions at 298 K?