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If 2.50 g of CuSO4 are dissolved in 9.5 102 mL of 0.21 M NH3, Explain what are the concentrations of Cu(NH3)42+, NH3 and Cu2+ at equilibrium?[Cu(NH3)42+] M[NH3] M[Cu2+] M
What is the work done by the copper bar on the surrounding atmosphere? The density of copper at 20 degree celsius is equal to 8920 kg/m3.
A mixture of 40 Ml of methyl butyrate (MW-102.1 g/mol,d-0.89 g/mL) and 10 mL butyric acid (MW=88.1 g/mol, d=0.96 g/ML) is distilled.
The decomposition of nitramide, O2NNH2, in water has the following chemical equation and rate law. O2NNH2 (aq) yields N2O (g) + H2O (l) rate= [O2NNH2]/[H]
Consider a glass of 167 mL of water at 29°C. Calculate the mass of ice at -15°C that must be added to cool the water to 10°C after thermal equilibrium is achieved. To find the mass of water use the density of water = 1.0.
Use the data below to calculate the value of Kc H2(g) 2 H(g) Kc = 0.00473 1/2 H2(g) + 1/2 O2(g) OH Kc = 0.643 Give your answer to 3 significant figures
airbags contain a mixture of sodium azide potassium nitrate and silicon dioxide. a sensor detects a head on collision
Determine the Ka value of acetic acid at 105 degrees C from the following data: A 0.3 Molar aqueous solution of acetic acid shows a pH of 2.642 at 105 degrees C. You can use the approximation formula here because the concentration of the acetic ac..
Trans-1,4-di-tert-butylcyclohexane exists in a normal chair conformation. Cis-1,4-di-tertbutylcyclohexane, however, adopts a twist-boat conformation. Draw both isomers, and explain why the cis isomer is more stable in a twist-boat conformation.
in an electron microscope electrons are accelerated to great velocities. calculate the wavelength in m of an electron
Buckminsterfullerene C60 crystallizes in a face-centered cubic arrangement. If potassium atoms fill all the tetrahedral and octahedral holes, what is the formula of the resulting compound?
What is the molarity of solution when .8292 grams of Nickel
During a fire, it was expected by the fire department report that the tank temperature rose to 365 degrees Fahrenheit. Find out the pressure of the oxygen gas in the tank during the fire.
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