Chemistry Homework Help: Answers & Questions Page 61

• Where are the halogens located in the periodic table?

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• What is the AXE classification of HCLO3 and therefore what would it moleculuar shape be? Thankyou. I am confused between AX4E or AX3E because I am not sure if the H counts as a constituent atom since it is bonded to the O.

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• How do you calculate the number of moles from density?

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• How to find valency of zinc?

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• What is the empirical formula for magnesium sulfate? Thanks!

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• For hydrogen, what is the wavelength of the photon emitted when an electron drops from a 4d orbital to a 2p orbital in a hydrogen atom? The Rydberg constant is 1.097 × 10-2 nm-1.

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• What is STP in chemistry?

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• What is the exception to the octet rule with aluminum?

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• Are SN1 reactions faster in polar solvents?

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• What is the formula for Boyle's law?

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• What is the atomic number of Hydrogen?

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• What is the purpose of an inert solvent?

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• Aluminum hydroxide is a popular antacid. What is the formula of aluminum hydroxide?

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• What is Avogadro's Law?

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• According to the following reaction, how many grams of carbon tetrachloride are required for the complete reaction of 21.2 grams of methane (CH4)? methane (CH4) (g) + carbon tetrachloride (g) dichloromethane (CH2Cl2) (g)

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• Can you explain the formation of an ionic compound from barium and nitrogen?

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• There are 1,000 mg in every gram. If something has a mass of 458 mg. what is the mass expressed in grams?

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• How many valence electrons are in potassium and what does a dot diagram of it look like?

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• Chemical Formula for Coffee?

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• How do i calculate the theoretical delta H for a reaction?

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• Write a balanced ionic equation to represent the reaction between sulfur dioxide, ##SO_2##, and the dichromate ion, ##Cr_2O_7^(2-)## in acidic solution to yield the sulfate ion and chromium (III) ion, ##Cr^(3+)##?

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• How will u justify a lone pair on carbon in CO ?

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• An atom of polonium-218 undergoes alpha decay. What new element is produced?

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• How can I calculate the bond order of benzene?

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• How does metallic bonding contribute to a metal’s malleability?

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• Why do haloalkanes undergo nucleophilic substitution?

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• What is the Lewis structure of NO2-?

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• What element has the symbol Kr?

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• For the central carbon atom: The number of lone pair electrons, the number of bonding electrons, the total number of electrons in lewis diagram for CO32-. Does the central carbon atom obeys the octet rule or has more or less than an octet?

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• What are the properties of scientific inquiry?

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• What is the balanced equation for the chemical reaction ##Mg3N2+2H2O -> Mg(OH)2+NH3##?

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• Why is PCl5 a Lewis acid?

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• How do intermolecular forces differ from intramolecular force?

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• Which is the more metallic element: Sb or Pb?

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• The element rubidium (atomic mass 85.5) consists of two isotopes, one mass number 85 (Rb-85) and the other mass number 87 (Rb-87). Which one of the following statements about the isotopes of rubidium is correct?

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• How do you calculate pH diprotic acid?

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• What is the noble gas notation of nickel?

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• How can I draw the Lewis structure for NO?

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• Why should we use Kelvin temperature in gas law related problems?

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• What are some common mistakes students make when naming ionic compounds?

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• What is oxidation?

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• Describe a test to distinguish between calcium chloride and sodium oxide?

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• Why is the enthalpy of neutralization between a weak acid and strong base so much higher than that between a strong acid and weak base?

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• BrO3-(aq) + Sb3+(aq) = Br-(aq) + Sb5+(aq) (acidic solution) ??? Balance the above equation. Thank you

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• Is iced water a pure substance? Why?

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• Is Calcium paramagnetic or diamagnetic? And why.

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• How to draw lewis structure F2?

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• What are 3 properties of bases?

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• Naturally occurring europium (Eu) consists of two isotopes with a mass of 151 and 153. 151/63 Eu has an abundance of 48.03% and 153/63 Eu has an abundance of 51.97%. What is the atomic mass of europium?

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• What is the Lewis structure of furan?

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