Chemistry Homework Help: Answers & Questions Page 91

• How are orbitals related to energy levels?

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• Why are organic compounds important?

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• What's the prefix for 6 when naming molecular compounds?

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• The molecular formula of lithium carbonate is Li2CO3. What is the molecular weight of this drug?

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• How many sigma and pi bonds does ##"Ca"("CN")_2## contain?

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• Is an ideal gas always measured using STP conditions?

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• What are halides? What are some examples of them?

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• What are polyatomic ions containing oxygen atoms called?

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• What units are used in the equation pv=nrt?

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• How can neutralization reactions be identified symbolically?

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• Why is the Kelvin temperature scale used in science?

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• The element bromine with atomic number 35 belongs to which block? Thank you

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• Is ( R )-sodium lactate dextrorotatory or levorotatory?

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• The barometric pressure in Breckenridge, Colorado (elevation 9600 feet) is 580 mm Hg. How many atmospheres is this?

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• A sample of N2O effuses from a container in 43 seconds. How long would it take the same amount of gaseous I2 to effuse from the same container under identical conditions?

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• Is Lithium hydride, ionic or covalent bonding?

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• Water molecule are able to form hydrogen bonds with? A OXYGEN gas o2 molecules b any compound that is not soluble in water c compounds that have polar covalent bonds d oils

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• What is the difference between isotopes and isobars?

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• What do you mean by physiological buffers? What are the different types of buffers found in the blood? If possible, please state examples.

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• 815 gal/h is equivalent to how many qt/sec?

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• Why is the surface of water in a graduated cylinder curved?

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• What is the empirical formula and empirical formula mass for the following compound: C3H6O3?

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• Is water and hexane miscible or immiscible?

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• Is blood a homogeneous mixture or a heterogeneous mixture?

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• How does metallic bonding affect the properties of metals?

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• Draw the molecular orbital diagrams of : ##O_2## ; ##O_2^+## ; ##O_2^-## ?

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• Which of the following is an oxidizing agent?

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• Calculate the concentrations of all species in a 0.300 M ##Na_2SO_3## (sodium sulfite) solution? The ionization constants for sulfurous acid are ##K_(a1) = 1.4* 10^(–2)## and ##K_(a2) = 6.3 * 10^(–8)##. ##[Na^+]## ##[SO_3^-2]## ##[HSO_3^-]## ##[OH^-]## ##[H^+]##

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• The temperature is - 35 degrees C. What is the temperature in degrees F?

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• What stereoisomers are obtained from hydroboration–oxidation of 1-ethylcyclohexene?

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• What is the basis for the quantum mechanical model are the atom?

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• What is the difference between monograde and multigrade oil?

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• How does half life relate to isotope stability?

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• What is the formula for aluminum sulfate?

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• What is the balanced equation of Zn+Pb(NO3)2---Pb+Zn(NO3)2?

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• What comes first when naming ionic compounds, the cation or the ion?

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• ammonium iodide reacts with lead (II) nitrate forming ammonium nitrate and lead (II) iodide

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• What are molecule examples?

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• How are atoms and molecules related?

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• How do you calculate the pH of a solution when given the OH- concentration?

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• If 36.10 mL of 0.223 M of NaOH is used to neutralize a 0.515 g sample of citric acid, what is the molar mass of the acid?

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• An alcohol has the molecular formula C4H10O write the structural formulae of the isomers to show chain isomerism?

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• How can I calculate the wavelength of radio waves?

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• What is the ionic compound formula of sodium hydroxide?

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• How can I calculate percent error?

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• What type of double displacement reactions yield carbonic acid as a product?

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• How can I balance the equation ##Zn + HCl -> ZnCl_2 + H_2##?

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• How to calculate the osmolality of this patient with serum result of Na 140 mEq/L, K 4.0, mEq/L, glucose 95mg/dl, BUN 10 mg/dl?

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• How can you determine if a compound is a purine or pyrimidine?

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• Calculate the mean molality and ionic strength of a 0.002 molar aqueous solution for the electrolyte La(HCO3)3?

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