Chemistry Homework Help: Answers & Questions Page 72

• How many protons, neutrons, and electrons are in a neutral atom of sodium?

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• What causes hydrostatic pressure in blood vessels?

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• How to draw a lewis structure of carbon dioxide, CO2?

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• Is potassium iodide an ionic or covalent compound?

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• How can we get 1-methylcyclohexanol from cyclohexanone , by reduction using the reagent LiALH4 in H2O/H+ , I got cyclohexanol , then what should I do?

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• What is the molality of a solution of 560 g of acetone, ##CH_3COCH_3##, in 620 g of water?

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• What is the molecular, total ionic, and net ionic equation for the reaction of Bi(NO3)3 + BaS?

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• The mass of a proton is ##1.67*10^(-27)## kg. What is the mass of a proton in picograms?

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• The noble gas configuration for aluminum?

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• How does one calculate ##K_M## and ##v_max## from the Lineweaver-Burk (Double-Reciprocal) plot?

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• How can I solve radioactive half-life problems?

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• What is a buffer?

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• Why is the Bronsted-Lowry definition of acids and bases more encompassing than the Arrhenius definition?

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• At 25 °C, the molar solubility of silver phosphate is ##1.8 × 10^-5## mol L-1. How do you calculate Ksp for this salt?

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• What is linear mass density?

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• What is the difference between electronegativity and electron affinity?

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• How many elements are there?

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• Got these wrong on a Net Ionic Equation test. What's correct for the following? Na2SO4+CaCl2=CaSO4+Na2Cl2, CuSO4+NaCO3=CuCO3+NaSO4, KOH+HCl=KCl+H2O, Na2CO3+HCl=2NaCl+H2CO3, KOH+MgSO4=MgOH+KSO4, NaSO4+CuSO4=CuSO4+NaSO4, HCl+HCO3=HCl+HCO3,

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• What are the 2 isomers of 2-bromobutane?

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• Why does (or "do"?) Barium Oxide + Sulfuric Acid yield Ozone?

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• How do you calculate the atomic mass of carbon?

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• What is the percentage of cation in ammonium dichromate ?

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• Why isn't ##Li_2CO_3## (lithium carbonate) soluble in water?

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• What's the difference between isothermal process, adiabatic process, and isovolumetric process?

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• Draw Lewis structure ,state the molecular geometry and state whether they are polar or nonpolar .. H2CO PCl3 NO2^- .?

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• How do covalent compounds differ from ionic compounds?

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• What units of measurement are used for the combined gas law?

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• How do you convert 45°C to Fahrenheit?

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• What is the difference between aryl and alkyl phenyl?

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• What is ionization; in relation to acids?

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• A 50.0 mL sample of phosphoric acid, H3PO4, is titrated with 42.50 mL of 0.250 M NaOH. What is the molarity of the acid? H3PO4 + 3NaOH = Na3PO4 + 3HOH

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• How do you calculate formal charge from an equation?

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• In racemic mixture, why are both enantiomers of compound present in equal amounts?

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• Is ethylamine a Bronsted-Lowry base?

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• Why is only one hydrogen atom acidic in acetic acid, but all 3 hydrogen atoms in phosphoric acid are ionizable?

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• Check my work please. Give the nuclear symbol for isotopes of silicon for which A=29?

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• Assuming an efficiency of 42.40%, calculate the actual yield of magnesium nitrate formed from 113.8 g of magnesium and excess copper(II) nitrate. How do I solve?

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• The acidic form of bromothymol blue (pKa = 7.0) is yellow, and its basic form is blue. What colours will this indicator be at pH = 5, 7 and 10 respectively? a)yellow, green and blue b blue, green and yellow c blue, blue and blue d yellow, yellow and blue

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• What happens when you mix baking soda and vinegar? Would it be a chemical or physical reaction? A) it flows out of the top, it is physical B) it does not show any difference, physical C) the mixture flows out, chemical D) none of the above Do great!

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• What is neutralization reaction?

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• What does pH measure?

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• How do you find the de Broglie wavelength of an electron?

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• What does the "15w40" stand for?

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• What are the oxidation numbers of the elements in the nitrite ion?

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• What does lead(ii) oxide mean?

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• How do you calculate the formal charge of O3?

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• What is the acronym for the electromagnetic spectrum and how can I remember it?

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• Your blood has a density of 1.05 g/mL. How many grams of blood would you lose if you donated 1.00 pint?

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• What is Proust's law of constant composition?

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• What is the difference between a condensed structural formula and a structural formula?

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