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Aqueous solutions of nickel (II) sulfate and potassium ferricyanide were mixed in a test tube. determine the folowing a) type: B) products: C) balanced molecular equation: D Balanced complete ionic equation: E) Balanced net ionic equation: F Spectator ions
calculate the massvolume percent of a solution in which 168 of is dissolved in enough water to give a total volume of
A piece of charcoal from a tree killed by the volcanic eruption that formed the crater in Crater Lake (in Oregon) gave 7.0 disintegrations of carbon-14 nuclei per minute per gram of total carbon.
Write a structural formula and a line-angle formula of each isomer of C4H8. Do not include any cyclic structure. Write the IUPAC name of each isomer. Make sure to include the cis- or tran- in the name if applicable.
Calculate the change in enthalpy of this reaction. Specific heat of the solution = 4.184 J/(g oC) State your answer in kJ with 3 significant figures. Don't forget to enter the unit behind the numerical answer. The molecular weight of KOH is 56.2 g..
A solution of 0.264 M NaOH is used to neutralized 54.0 mL H3PO4 solutions. if 1.0 mL of NaOH is required to reach end point what is the molarity of H3PO4
What is the wavelength of the most energetic photons produced by an X-ray tube using U = 24.3 kV potential difference
A chilled carbonated beverage is opened and allowed to warm to room temperature. Will the pH change, and if so, how will it change. loss of CO2 from the beverage (Henry's Law) will result in a decrease in the pH
surface molecules have fewer molecules to interact with than the inner molecules. values depend on size and
what colligative properties are displayed by each of the following situations?a antifreeze is added to a cars cooling
If the entropy of a collection of molecules in 50,000 boxes is 3.73E-20 J/K, how many molecules are there
how does the hammonds postulate explain?a. the greater selectivity for bromination vs. chlorination of an alkane?b. the
Calcium reacts with iodine to form an ionic compound. If a sample of the compound contains 8.5 x 1019 iodide ions, how many calcium ions does it contain?
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