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Although the actual process also requires water, a simplified equation for rusting (rust is shown as Fe2O3) is 4Fe(s) + 3O2(g) => 2Fe2O3(s) ?Hrxn = -1.65 x 103 kJ How much heat is evolved when 0.100 kg of iron rusts? a. 7.39 kJ b. 7.39 x 102 kJ c. 2.96 x 103 kJ d. 3.38 kJ e. 1.18 x 104 kJ
What does the 1H-NMR spectrum and the IR spectrum look like with notations on each peak on both spectra
Assuming the heat absorbed by the styrofoam is negligible, calculate the expected final temperature. The specific heat of water is 4.184 J g-1 K-1.
Given Mo Energy level diagram for diatomic molecules, which of the following molecular ions has a bond order of 3. Why
How many quartz of ethylene glycol, C2H6O2 (density = 1.116 g/mL). Will have to be added to 5 gal of water (density = 1 g/mL) to protect an automobile radiator down to a temperature of-10 oF?
If 0.088 moles of sulfuric acid is mixed with water to make 411 mililiter of solution, what is the molarity of H+.
A 1.500-g sample of a mixture containing only Cu2O and CuO was treated with hydrogen gas to produce 1.276 g pure copper metal. Calculate the percent composition by mass of the mixture.
Acid Rock Drainage is a common environmental process that releases toxic metals, such as cadmium (Cd2+), and lots of acidity (i.e. H+) into streams and rivers. One strategy to remediate acid mine drainage is to fill the streams with carbonate rock..
Determine the concentration of calcium and chloride in the solution in both mg/L and mmol/L. You will need to find the molecular weights on a periodic table.
A) How many ions will this compound create in aqueous solution ? B) What is the coordination number of chromium ?
purpose a mechanism for the polymerization of methyl methacrylate in the presence of t-butyl proxybenzoate
Estimate the amount of product that was lost in the filtrate, assuming that the volume of the reaction mixture was 1.0 mL when you collected the product by vacuum filteration.
(heatcapacity of water : 4.184 j/g/k) if the final temperature of the system is 30c, what is the specific heat capacity of the alloy
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