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When a solution of nickel(II) chloride is mixed with a stoichiometric amount of colorless sodium hydroxide solution, a green, gelatinous precipitate forms.
a. Write the balanced molecular equation and net-ionic equation for this reaction.
b. what would you expect to observe if some hydrobromic acid solution was added to the reaction mixture in (a.)? be specific. include equations for any secondary reactions occuring.
how much energy in kilojoules is releasedwhen 14.6 g of steam at 121.0 c is condensed to giveliquid water at 67.5 c ?
WHich of the following will act as a lewis acid? (please explain why as I need to understand the concept)
A gas expands and does P-V work on the surroundings equal to 325 J. At the same time, it absorbs 127 J of heat from the surroundings. Calculate the change in energy of the gas.
How much HCO2H is obtained by reacting 3.80g of FeS, 1.90g of H2S, and 1.90g of CO2 if the reaction results in a 46.0% yield
The mass of a crucible and a hydrated salt was found to be 21.447 g. The mass of the crucible and the anhydrous salt was 20.070g.
Suppose that the microwave radiation has a wavelength of 10.8 . How many photons are required to heat 205 of coffee from 25.0 to 62.0 ? Assume that the coffee has the same density, 0.997 , and specific heat capacity, 4.184 , as water over this tem..
Determine the value of Kc for the following reaction if the equilibrium concentrations are as follows: [N2]eq = 3.6 M, [O2]eq = 4.1 M, [N2O]eq = 3.3 × 10-18 M.
5.00 mL of water sample was titrated for hardness with 4.15mL of 0.0200M EDTA. write the equastion for the reaction and calcualte the hardness of the water in ppm
Chemical reactions are typically faster when a catalyst is added. This is because... 1. Molecules are moving faster when a catalyst is added
Calculate the number of grams of HC2H3O2 needed to make 450 mL of 0.322 M solution.
an average cup of coffee contains about 125 mg of caffeine cahronqoz. if a student drinks 5 cups of coffee before their
This question has been asked several times and there appaer to be two different answer and no clear answer on who is right. (One response says the answer is wrong) Calcutlate E red involving Pd
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