Answers edited by anor277
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What is thermochemistry with equation stoichiometry?
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What is an example of a polyatomic ion?
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How would you calculate the number of grams of sodium oxide, Na2O, that will be produced when 5.00 moles react with oxygen given the reaction: 4Na + O2--> 2 Na2O?
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Find the molar quantity of #BCl_3# in #1.51*g# of this substance. What is the mass, and molar quantity of boron here?
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Why the number of atoms of bromine in 1 mole Br₂ is not equal to Avogadro's number?
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What is the metal that is most commonly recycled?
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How does vsepr theory classify molecules?
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Question #0406f
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Is H2O an empirical formula?
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What is the oxidation state of copper?
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What are the rules for predicting products of the various types of acid base reaction?
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How would you balance the following equation: S8 + O2 --> SO3?
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Oxalic acid is 26.68% carbon, 2.24% hydrogen, and the remainder oxygen, what is its empirical formula?
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How do assign electronic charge, and oxidation number in #ClO_3^(-)#, #"chlorite ion"#?
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Initially there were #0.0300*mol# of #N_2O_4# in a #1*L# flask. At equilibrium, there were #0.0236*mol# #N_2O_4#. What is #K_"eq"#?
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An ideal gas at constant temperature is confined In an airtight cylinder, and a piston pushes down on the gas in the cylinder. Assuming the gas behaves as an ideal gas during the compression, what effect will this have on the pressure of the ideal gas?
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What is the balanced equation for the photosynthesis reaction in which gaseous carbon dioxide and liquid water react in the presence of chlorophyll to produce aqueous glucose #C_6H_12O_6# and oxygen gas?
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What is the percentage concentration by mass of a #16*mol*L^-1# solution of nitric acid, for which density is #1.42*g*mL^-1#?
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Why should the first ionization energy of magnesium, #Z=12# be greater than the first ionization energy of aluminum, #Z=13#?
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What is the oxidation number of Br in BrCl?
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What is the most common use of styrene, #C_6H_5CH=CH_2#?
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What is the electron configuration of H+?
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Why are some spectra more complicated than others?
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How is the valence electronic structure of the water molecule described?
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What is the #"oxidation state"# of an element in a compound?
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O2N-N2O is homolysis or heterolysis? What is the product?
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How do you balance _C4H16+_O2--> _CO2+_H2O?
I have tried to do balance them but i can't..this is very tricky...
thanks..?
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How do you write #log0.001=x# in exponential form?
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What are some examples of enantiomers?
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What are the differences between intermolecular and intramolecular forces?
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What is the oxidation number of nitrogen in the nitrate ion?
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Who discovered the laws of thermodynamics? ?
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How would you calculate oxidation number?
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What are the oxidation numbers of each oxygen atom in ozone?
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What is the oxidation number of oxygen in CO2?
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Consider the following reaction:
2N2(g) + 5O2(g) + 2H2O(g) --> 4HNO3(g).
If a reaction mixture contains 28g of N2, 150g of O2, and 36g of H2O, what is the limiting reactant?
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When 6.25 g of AgNO3 reacts with 4.12 g of NaCl to form NaNO3 and AgCl, what is the limiting reactant?
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Why do alkali metals react with water?
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What mass of calcium when reacted with water will produce 15.7 L of hydrogen at STP?
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How does lead sulfide react with oxygen gas to form #PbO#, and #SO_2#?
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What is the difference between phenol available as crystals and bottled liquid phenol?
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How do we assign oxidation numbers in the salt #KClO_3#, #"potassium chlorate"#?
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Hydrocarbon #X# has #89%# by mass carbon content. What is its empirical formula? And if its molecular mass is #120*g*mol^-1#, what is its molecular formula?
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What trends do you see on the periodic table for ionization energy and what causes these trends?
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How would you balance H2+O2-->H2O?
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What are some common mistakes students make with saturation?
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What is stoichiometry?
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How did Hans Geiger and Ernest Marsden help to the Rutherford gold foil experiment?
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How would you balance
C8 H18 + O2 = CO2 +H20?
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How can I calculate solubility equilibrium?
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What do I need for chromatography?
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Is the dissociation of water endothermic?
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What is the phenomenon of chirality as it applies to carbon chemistry? How did it arise? And what are the consequences of such chirality?
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What are some common mistakes students make with points of saturation?
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Considering only the formal charge , determine the major contributor among the canonical resonance structures of the following speciea. Explain. Nitrite ion(NO-2) and SCN^-?
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Why does anion of oxygen have a charge of negative 2?
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Why is water often used as a solvent for recrystallization? On the other hand, why are benzene, and carbon tetrachloride rarely used for recrystallization?
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When the dye of a candy is subjected to paper chromatography, why do the individual dyes separate on the paper?
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Which of the following species can be Bronsted-Lowry bases?
a- -OH
b- Ca2+
c- C2H6
d- PO43-
e- -OCl
f- MgCO3
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Question #df2ca
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What products result from the hydrolysis of #"isopropyl formate"#?
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Which type of spectroscopy is more powerful?
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Why do the elements in group IIA have very low electron affinities?
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