Chemistry Homework Help: Answers & Questions Page 73

• What is the hybridization of the central iodine atom in I3−?

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• What metalloids are in the periodic table?

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• "Absolute Zero" is what temperature on the Celsius and Fahrenheit scales respectively?

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• What is the shape of SF4 (including bond angles)?

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• Pepsi puts 355 ml of pop in a can. How many drops is this?

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• If 22.3 grams of solid lead(II) oxide reacts with 34.06 grams of ammonia gas (trihydrogen nitride), the resulting products are lead metal, nitrogen gas, and water vapor. How many grams of lead metal are produced?

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• What are molecular compound properties?

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• How does the shielding effect affect atomic radius?

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• Find the mass in grams of one molecule of NO2 ; you must express your answer in grams?...

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• How can I write the formula for potassium bromide?

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• What are atomic size trends within transition metals?

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• The molecular formula for glucose is C6H12O6. What would the molecular formula for a molecule made by linking three glucose molecules together by dehydration reactions be?

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• What the mass percent of aluminum in ##Al(OH)_3##?

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• What is the meaning of Anhydrous, Hydrous, and Undissociated?

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• Is addition of sodium in to water is a chemical change?

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• A close box made of wood 1cm thick has ecteenal dimensions 20cm by 15cm by10 cm.find the mass of the empty box.if one cubid decimeter of wood weight 1kg?

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• How many grams of lead chromate are formed from the reaction of 15.0mL of 0.40M potassium chromate with 15mL of lead nitrate? What was the limitng reagent from the equation?

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• What is the balanced ionic equation for the reaction of IO3-(aq) with I- in the acidic solution, H+ ?

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• What type of mixture can be separated by sublimation ?

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• Why does and electron have negative charge and proton have positive while neutron neutral?

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• A volume of saline solution weighed 25.6 g at 4 degrees C. An equal volume of water at the same temperature weighed 24.5 g. what is the density of the saline solution?

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• Define solubility and write a note on its relation with temperature ?

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• What is an isotonic solution?

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• Why is ether used as the solvent during Grignard reactions?

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• The density of balsa wood is about ##170## ##kg####/####m^3##. How do you convert it to ##g####/####cm^3##?

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• What are double decomposition reactions?

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• How does Boyle's law relate to breathing?

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• Is vinegar and baking soda a acid-base reaction? ##CH_3COOH## and ##NaHCO_3##

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• How do trends in atomic radius relate to ionization energy?

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• What is solute and solvent in orange juice?

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• P1V1/TI = P2V2/T2 and PV=nRT what is the difference between them ?

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• What is the ionic formula for calcium chloride?

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• What is the Molecular, Ionic and net Ionic for Li2S+FeI-->LiI+FeS?

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• What is the alpha decay equation?

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• How do you calculate the formal charge of ##Cl## in ##ClO^-## and ##ClO_3^-##?

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• Is the dehydration and hydration of cobalt(II) chloride (##"CoCl"_2##) reversible? Why?

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• Write the net ionic equation for the reaction that will occur ##HCl (aq) + CaSo3(s)##?

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• What biomolecules are found in the cell membrane?

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• What are factors affecting how fast a solid solute dissolves?

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• What is the mechanism of Friedel-Crafts alkylation?

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• How many atoms are in 22 grams of copper metal??

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• What characteristic of a metallic bond explains some of the properties of metals?

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• How many significant digits are in ##50.00##?

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• How does ionization energy change on the periodic table?

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• What is the mass, in grams, of 1.24 mol of water, ##H_2O##?

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• How do exothermic reactions occur?

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• What is phosphate's electron configuration?

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• What is the limiting reagent between a reaction of HCl(aq) and NaOH(aq)?

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• What do you do with the given R in the ideal gas law equation? Do you multiply it to your missing variable at the end once you find it? Like what purpose does it serve?

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• How many more protons does sodium have than oxygen?

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