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The reaction of 0.130 moles of a metal with an acidic aqueous solution in a calibrated calorimeter causes the temperature to increase by 49.0°C. The mass of the final solution is 72.0 grams, and its heat capacity is 3.85 J/g°C; the heat capacity of the calorimeter is 5.0 J/°C. Calculate the ΔHreaction in kJ/mol metal.
Considering the given equation HCl + X 3 (PO4) 2 = H 3 PO 4 * XCl 2 it is given that when a particular metal A reacts with hydrochloric acid
Rate Constant with Temperature Changes, Rearrangement of methyl isonitrile to acetonitrile has activation energy of 25.0 kJ/mol and a rate constant of 8.1*10^-4s-1 @ 80 Celsius.
Write the balanced chemical equation using the lowest possible whole number coefficients for Fe2O3+2Al = 2Fe+Al2O3.
Calculate the mass of ethylene glycol (C2H6O2) that must be added to 1.00 kg of ethanol (C2H5OH) to reduce its vapor pressure by 10.0 torr at 35 °C. The vapor pressure of pure ethanol at 35 °C is 1.00 × 10^2 torr.
7.04 g of CuNO3 is dissolved in water to make a 0.300 M solution. What is the volume of the solution.
What mass of HCl is contained in 30.0ml of a solution solution which is 37.2 mass% HCl has a density of 1.19g/ml.
The first-order decomposition of phosphene to phosphorus and hydrogen 4PH3(g) → P4(g) + 6H2(g)
A solution containing 100g of an unknown substance and 900g of water. The solution has a Freezing Point of -3.33*C. What is the molar mass of the substance?
When ethanol burns C2H5OH + 3O2 ==> 2CO2 + 3H2O , how many moles of water are produced as 48.380 moles of carbon dioxide are produced.
Mg3N2 + 6H2O ----> 3Mg(OH)2 + 2NH3 When 36.0g of H2O react, how many grams of NH3 are produced?
An electron in an excited state of a hydrogen atom emits two photons in succession, the first at 1817 nm and the second at 97.20 nm, to return to the ground state (n=1).
Determine the percent yield if An 8.50 grams sample of Ammonia gives 12.0 g of Nitric Oxide?
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