Chemistry Homework Help: Answers & Questions Page 48

• What ions hydrolyze in aqueous solutions?

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• How many micrograms (µg, ug or mcg) are there in a milligram (mg)?

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• What are the cations and anions for the formula calcium iodide?

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• How do you know which ideal gas constant to use?

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• How can I write the formula for aluminum chloride?

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• A) How to calculate the theoretical yield of water resulting from the complete combustion of 1.60 g of methane b) When the reaction was run in the lab 3.30 g of water were formed. What is the percent yield of water for this run? CH4 + 2 O2 ->CO2 + 2 H2...

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• How does pH affect the Nernst equation?

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• An irregularly shaped stone was lowered into a gradulated cylinder holding a volume of water equal to 2.0mL.the height of the water rose to 7.0mL if the mass of the stone was 25 what was it's density?(find the difference in the height of the water)

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• What are the customary units of solubility on solubility curves?

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• What is the hybridization of ##CH3^-##?

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• Are SN1 reactions faster than SN2?

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• The angular momentum quantum number of an electron in a d orbital is equal to?

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• A solution of silver nitrate (AgNO3 ) is added to a solution of sodium hydroxide (NaOH). In the precipitation reaction that occurs, which ions will be spectator ions?

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• What is an integrated rate law?

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• Why do exothermic reactions release heat?

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• The compound copper(II) bromide is a strong electrolyte. What is the reaction when solid copper(II) bromide is put into water?

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• What is the excited state of carbon?

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• What are covalent bonds?

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• How does Bronsted-Lowry define acids and bases?

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• Consider the reaction: K2S(aq)+Co(NO3)2(aq)→ 2KNO3(aq)+CoS(s) What volume of 0.255 M K2S solution is required to completely react with 170 mL of 0.110 M Co(NO3)2? Thank you!

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• Magnesium reacts with nitrogen to form magnesium nitride. The chemical formula for this reaction is ##Mg+N_2-> MgN_2##. What is the product, or what are the products, of this reaction?

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• What is the average kinetic energy of the molecules in a gas at 273K?

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• What is a solid formed from liquid reactants during a chemical reaction?

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• Explain why the atoms in neon gas do not join up in the same way that hydrogen atoms do?

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• How do you convert 100 mm Hg to Pa?

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• How do hydrogen bonds hold DNA together?

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• How do you balance H3PO4 +Mg(OH)-->Mg3(PO4)2 +H20?

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• How do you calculate molar volume of nitrogen gas?

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• Does a precipitate of: (a) AgCl (Ksp= 1.6 x 10-10) form when 200 mL of 1.0 x 10-4 M AgNO3(aq) and 900 mL of 1.0 x 10-6 M KCl(aq) are mixed? (b) CaSO4 (Ksp = 2.4 x 10-5) form when 1.0 mL of 1.0M K2SO4(aq), 10.0 mL of 0.0030M CaCl2(aq) , and 100 mL of H2O?

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• What is the noble gas configuration for carbon?

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• Some elements have "m" isotopes with the same mass number. What does the "m" mean?

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• How is a single covalent bond formed?

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• What is the electron configuration for Sodium?

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• What is an electron configuration of a nitrogen molecule?

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• How would you define a bond?

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• How do you calculate ionization energy using Rydberg constant?

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• What is static equilibrium in chemistry?

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• What are the steps to the Boyle's Law formula "P1 x V1 = P2 x V2"?

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• What is the ionic compound for FePO4?

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• What is covalent bonding?

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• CaH2+H2O->Ca(OH)2+H2 unbalanced If 21 g of CaH2 is consumed in the reaction B.How many grams of Ca(OH)2 are formed? C.How many liters of H2 gas are produced at STP?

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• What is a meniscus? How is it used for marking volumetric measurements?

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• What is Ion chemistry?

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• What is a radioisotope?

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• What is the electron configuration for a chloride ion?

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• For an acid-base reaction, what is the reacting species in the following acid: Hydriodic acid? How do you determine this?

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• What is volume in ##"km"^3##?

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• What is a lipid?

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• What does hydrogen peroxide spontaneously decompose into?

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• Why is benzene nonpolar?

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