Chemistry Homework Help: Answers & Questions Page 51

• Is 2-methylpentane an alkane, alkene, or an alcohol?

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• Why is dissolving potassium nitrate in water an endothermic process?

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• If sodium peroxide is added to water, elemental oxygen gas is generated: Na2O2(s) + H2O(l) → NaOH(aq) + O2(g) Suppose 1.15 g of sodium peroxide is added to a large excess of water. What mass of oxygen gas will be produced in grams?

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• What is the molar mass of sodium hydroxide?

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• How does Bohr’s model of the atom explain the line spectrum of hydrogen?

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• What is the formula of sulfurous acid?

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• Write the major species in the water solution of Mg(NO3)2 ,FeCl3 ?

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• What is the balanced chemical equation for: Liquid methanol (CH3OH) combusted in oxygen gas to yield carbon dioxide gas and liquid water?

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• What is the hybridization of ##"HCHO"## ?

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• What is the boiling point of a 1.86 m aqueous solution of MgCl2, an ionic compound?

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• What is the empirical formula for glucose?

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• How can I draw the skeletal-line structure for cyclopentane?

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• What are soap? give definition as well formula?

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• How do you write the electron configuration for silicon?

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• What are the quantum numbers for the element Ni?

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• What is the isotope notation of cobalt-60?

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• Net ionic equation for NH4NO3 + KOH?

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• How are ionic and molecular compounds similar and different?

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• How do you draw VSEPR diagrams?

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• How do resonance structures and isomers differ?

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• What are the condensed formulas of the five isomers of C6H14?

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• What is the difference between random error and systemic error?

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• Why does water expand when it freezes?

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• Iron reacts with chlorine gas, ##Cl_2##, to form iron(III) Chloride, ##FeCl_3##. How do you write the balanced equation for this synthesis reactions?

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• How many atoms are in 6.2 moles of aluminum?

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• How do you convert 967 mg to kg?

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• Explan why one never obtains a hundred percent recovery from an extraction?

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• What are some examples of endothermic processes?

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• Why is the state symbol for glucose, C6H12O6 aqueous when it doesn't dissociate or form ions when dissolved in water?

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• What the difference in saying "1 mol of nitrogen atoms" and "1 mol of nitrogen molecules"?

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• What is the difference between ionic and covalent bonds?

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• How do functional groups affect the structure and function of macromolecules?

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• ##Pb(NO_3)_(2(aq))+HCl_((aq))## Write the equation and the net ionic equation ?

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• What is adiabatic calorimetry?

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• What is nuclear transmutation?

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• What do you mean by ion product? What is the definition for the ion product of water?

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• How would you find the average atomic mass of sulfur from the following data: S-32 95.002% (31.972), S-33 0.76% (32.971), S-34 4.22% (33.967), and S-36 0.014% (35.967)?

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• According to Avogadro's law, as the number of moles of gas increases, what happens to its volume?

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• What is the formula of lithium nitride?

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• What is the relationship between the type of bonds and the solubility of a substance?

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• How many atoms of chlorine are in 1.00 mol of chlorine gas?

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• What is the mass of 2.65 moles of water?

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• How do you balance chemical equations with parentheses?

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• What is an isomer?

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• How many valence electrons does aluminum have?

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• What is the difference between E/Z isomerism and cis/trans isomerism?

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• How was Le Chatelier's principle used to determine the extinction coefficient?

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• What is the Hess' law?

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• A certain beverage contains 7.700% ethanol ##(C_2H_6O)## by mass. What volume of this beverage in milliliters contains 3.150 moles of ethanol?

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• Calculate [H3O+] for this solution: pH = 8.85? Can you please show how the answer is ##1.4×10^-9M##?

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