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A 150.0-g sample of metal at 80 degree celsius is added to 150.0g of H[2]O at 20.0 degree celsius. The temperature rises to 23.3 celsius. What is the specific heat of the metal [specific heat of h[2]o is 4.18 j(g degree celsius)
Calculate the number of moles of quicklime, CaO, that would be produced by the decomposition of 30.0 moles of limestone, CaCO3, in the following reaction.
At 105 °C, the reaction 2NO2(g) ? N2O4(g) has Kp = 0.054. What is the value of Kc at this temperature?
It is known that the Co2+-ligand complex obeys the Beer-Lambert Law. Calculate the mass percentage of the cobalt in the original sample.
what mass of aspirin can be prepared by reacting 5.00 g if salicylic acid with an excess of acetic
A buffer solution contains 0.5 M HA pka=8 and 0.25M NaA. What is the pH after 0.1 mol of HCL is added to this solution, giving a total final volume of 2L
If the instantaneous initial rate of reaction is 0.000145 M/s, calculate the initial instantaneous rate of change of H2 concentration. In addition, explain the answer using words.
A 1- flask is filled with 1.45 of argon at 25 . A sample of ethane vapor is added to the same flask until the total pressure is 1.30 .What is the partial pressure of argon, , in the flask?
osmotic pressure is the pressure exerted on amembrane by a solution when there is a concentration difference on either
why is hcl used in the preparation of sni2 instead of aceticacidacetic anhydride? please explain in detail.glacier
The equilibrium constant is given for one of the reactions below. Determine the value of the missing equilibrium constant. N2O4(g) + 2 NO2(g)=1.46
What is the pressure of the gas in this mercury manometer if h = 73 mm and atmospheric pressure
When 75 grams of ammonia, 90 grams of carbon dioxide and 61 grams of water are reated to form ammonium carbonate whe is the limiting reactant and how many grams will be formed
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