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The price of gold is $625 per troy ounce at this writing. Explain how much heat in J is needed to increase the temperature of $5000.00 worth of gold from 23.8 oC to 77.5 oC?
(1 troy oz = 31.10 g as well as the specific heat of Au is 25.42 J/(moloC).)
The theoretical value can be computed from the atomic weights of the atoms involved. How
Compound B has molecular formula C6H10O and does not possess any bonds. When treated with concentrated HBr, cis-1,4-dibromocyclohexane is produced. Identify the structure of compound B.
a student wants to react mgs with 100ml of 1.5 m hcl but theintent is to have all the mgs react while leaving 50 of the
How many moles of sulfate ions are there in a 0.20 L solution of 0.080 molar aluminum sulfate
Calculate the final molarity of acetate anion in the solution. You can assume the volume of the solution doesn't change when the ammonium acetate is dissolved in it.
Aqueous solutions of each of the following salts {sodium acetate, sodium phosphate, sodium formate, and sodium carbonate} have a pH that is > 7. The reason for this is that the anion undergoes a so-called "hydrolysis reaction".
Define what volume of fuel should you bring? Assume each of the following the fuel has an average formula of C7H16; 15% of the heat generated from combustion goes to heat the water
The sulfur is converted first to SO2, which reacts with oxygen and atmospheric moisture to produce sulfuric acid, H2SO4. If a particular coal contains 0.95% sulfur (by mass), calculate the mass of sulfuric acid produced by burning a metric ton (10..
When 1.269 g of this compound (molar mass = 103.67 g/mol) was burned in a bomb calorimeter, the temperature of the calorimeter (including its contents) rose by 6.029 °C. What is the heat capacity (calorimeter constant) of the calorimeter
the fact that the relative reactivity of C-H bonds of an alkane for free-radical chain halogenation is tertiary > secondary > primary?
By what factor (The factor is the ratio of the rates) does the rate of this isomerization reaction increase as the temperature increases from 256 degree celsius to 297 degree celsius ?
Compute the ΔH° rxn for the decomposition of calcium carbonate to calcium oxide and carbon dioxide.
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