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If we too EXACTLY 1.00mL of a 1.000 M solution of Cu(NO3)2 and placed it in 99.000 Ml of water and mixed it, then took 2.00 mL of this solution and plced it in 18.000 mL of water, A) what is the concentration (in mole/L or M) of Cu2+ and NO3 in the final solution? Remember your significant figures. B) If there is an impurity of Cu2+ in the water you are using to perform the dilutions, what type of error is this associated with the concentration of Cu2+ and why is it so?
Instructions for antacid tablets may direct the user to take 2-3 tablets for reduction of stomach acid. Assuming that a particular individual's stomach contains 1 quart of 0.1 M HCl, and that an antacid tablet contains as its active ingredient 500..
piece of silver when placed in a cup of 200 mL of water raises the water's temperature from 25.0 C to 31.5?
At 386 K, ?Go equals 124.0 kJ for the reaction, 2 H2S(g) 2 H2(g) + S2(g) Calculate the value of K for the reaction at this temperature. Give your answer in scientific notation to 3 significant figures
Identify the nuclide produced when fluorine-18 decays by positron emission:18/9F->0/1e+ Identify the nuclide produced when thallium-201 decays by electron capture: 201/81Tl+0/-1e->0/0radiation+
Look up the chemical compound that is methiocarb and describe briefly its chemistry and its pharmacology and what effects does Methiocarb have on the mammalian body? What other signs/symptoms would Jimmy display? Can this chemical cause death? Why?
rigid container of fixed volume holds 0.10 mol of ch4g and 0.20 mol of arg with a total pressure of 600 torr. what
calculate the approximate volume of a 0.600 mol sample of gas at 15.0 degrees Celcius and a pressure of 1.10 atm.
Which of the following isomeric chlorides will undergo Sn2 substitution most readily? Why? a. 4-chloro-1-butene b. 1-chloro-1butene (cis or trans) c. 1-chloro-2-butene (cis or trans) d. 2-chloro-1-butene
Calculate the volumetric size of a water molecule in vapor, assuming 1 mole of the vapor occupies 22.4 L, as if the vapor were an ideal gas
Use the standard reduction potentials below to determine which element or ion is the best reducing agent
The following species, which is the best oxidizing agent and which is the best reducing agent
An organic compound was prepared and purified by chromatography. A conductivity measurement showed the compound to be a nonelectrolyte. Elemental analysis gave an empirical formula of CH3O.
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