Chemistry Homework Help: Answers & Questions Page 47

• 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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• How many grams of NaOH are present in 2000 mL of 0.1 M NaOH? The molecular mass of NaOH is 40 amu

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• Draw Lewis structure for the following : ##ICN## (C is the central atom) and ##PO_4^(3-)##?

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• In the reaction of aluminum bromide with ionized sodium bromide, which compound is the Lewis acid?

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• The correct order of increasing bond angle in the following species is?

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• How do you calculate the oxidation number of an element in a compound?

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• How do you exactly do gravimetric stoichiometry?

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• Why are aromatic rings hydrophobic?

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• How would you calculate the molar mass of 2AgCl?

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• Is water a chemical?

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