Answers edited by Dr. Hayek
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How do you calculate the pH of a buffer solution?
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The Ksp of manganese(II) carbonate, #MnCO_3#, is #2.42 * 10^-11#. What is the solubility of this compound in g/L?
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Question #481a7
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Which type of spectroscopy is more powerful?
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Are all exothermic reactions spontaneous?
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A 100mL sample of 0.10 M NH3 has a Kb of 1.8*10^-5.
What is the pH?
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Why are meso compounds achiral?
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What is the electron configuration of the P3- and Mo3+ ions?
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What is the frequency of a light source that has a wavelength of 807 nm? What is the energy of this wave?
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Question #48cf9
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How do you derive the Henderson-Hasselbalch equation?
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Question #ab157
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Question #faceb
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How are buffer solutions used?
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Why are strong acids and bases strong electrolytes?
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Does the solvent play a role in determining which pathway the reaction will take, SN1 versus SN2? How?
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How can I determine whether an E or an SN reaction will occur?
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When does entropy increase and when does it decrease?
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Question #aff94
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The elements phosphorus and bromine combine to form two binary compounds each containing 43.67% and 16.23% phosphorus, respectively. How would you determine the empirical formulas of these two compounds?
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Question #04ce5
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Does free energy affect the reaction rate?
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How does buffering a solution change the solutions behavior?
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What is a #"buffer solution"#, and how is it prepared?
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Question #d8aba
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Question #18d2e
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How does pH change during titration?
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What are the five signs of a chemical reaction?
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A compound is 92.3% carbon and 7.7% hydrogen. What is the empirical formula of this compound?
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Question #53720
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How does partial pressure affect Gibbs free energy?
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Does carbon use all four valence electrons for bonding?
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Question #b62d7
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Question #533df
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A wavelength of 850 nm is used for fiber optic transmission. What is its frequency?
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Question #41ee5
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A compound that contains 6.44g of boron and 1.80g of hydrogen has a molar mass of approximately 28g/mol. What is its molecular formula?
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What are the four structural isomers of the alcohol with molecular formula C4H9OH?
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How can I determine whether an E or an SN reaction will occur?
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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 types of substances dissolve easily in water?
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What is blue light radiation?
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What is the oxidation state for the ion Cr2O7^2-?
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Question #fba0c
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Is CO2 an acid or a base?
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I2 + Cl2 →2ICl Kp=81.9. A reaction mixture initially P(I2)=P(Cl2)=P(ICl)= 0.1 atm. How to determine the direction of the reaction will proceed?
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Question #de40a
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Question #33c98
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How are redox reactions involved in electrolysis?
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What are some examples of minor resonance structures?
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Question #cc053
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What is the volume of #NH_3# produced in the following reaction when 3.0 L of #N_2# reacts with 4.0 L of #H_2#?
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Question #2e157
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Question #76b47
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What is the electron configuration of Na+?
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Community discussion: what makes an answer great on Socratic?
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Question #a8fdc
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Question #b7deb
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How would you calculate Δx for an electron with Δv = 0.340 m/s?
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How can I draw a Hess's law diagram?
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What kind of chemical reaction is #AgNO_3 + NaCl -> AgCl + NaNO_3#?
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Question #54463
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A Cu/Cu2+ concentration cell has a voltage of 0.22 V at 298K. The concentration of Cu2+ in one of the half-cells is 1.6E−3 M. What is the concentration of Cu2+ in the other half-cell?
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How many grams of #CH_4# at STP would fill a 1.00 L flask?
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What is the difference between specific heat and enthalpy of formation?
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Consider the combustion of methane:
Ch4(g)+2O2(g) --> CO2(g)+2H2O(g),
suppose 2.8 moles of methane are allowed to react with 3 moles of oxygen, what is the limiting reactant?
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Question #d4ec7
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Which has a greater mass: a kiloliter of liquid nitrogen (density of 0.808 g/mL) or a kiloliter of gasoline (density of 0580 g/mL)?
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Question #8c731
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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 #d46e8
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If a reaction is endothermic what happens to enthalpy, entropy, and gibbs energy?
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Draw the canonical forms for #CH_2=CH-CH=CH-CHO#, and compare their relative stabilities?
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How does enthalpy relate to internal energy?
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What is titration used for?
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Question #a12c0
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Question #17435
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What is the bond polarity of the water molecule?
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Question #7f7a2
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How many 2p orbitals are there in an atom?
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What is the general trend in atomic radius across a row of elements?
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