Chemistry

identify the functional groups in the following molecules h2n ch3 ch3
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Which is the strongest oxidizing agent? Standard Reduction Potentials E Na * Na+ + e- 2.71 V Cd -* Cd2+ + 2e 0.40 V H2 + 2H+ + 2e_ 0.00 V Ag + Ag+ + e -0.80 V (A) Na+ (B) H2 (C) Cd D) Ag+
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100 POINTS AND BRAINLIST!QuestionWhy does the sun appear so much larger and brighter than the other stars that are seen from Earth?ResponsesThe sun is much larger than other stars. [A]The sun appears only during the daytime. [B]The sun is closer to Earth than other stars. [C] The sun burns more brightly than other stars. [D]
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a crystalline ceramic has the chemical formula ab3. what is a possible crystal structure for this ceramic?
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the examples for anions with names charges and chemical symbols
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what is the temperature (in k) of a sample of helium with an root-mean-square velocity of 394.0 m/s? the universal gas constant, r=8.3145 j/molk.
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The chemical equation below is unbalanced. CaS + AlC A + CaC Balance this equation.
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Calculate how many moles of FeSO4 7H2O were added to the Erlenmeyer flask in trial 2
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A chemical reaction occurs in 50.0 g of water, and the specific heat of water is 4.18 J/gC. The initial temperature was 20.0C, and the final temperature was 26.6C. What was the heat flow?
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If the frequency of vibration for a C-O bond is -1100 cm-1, the vibration frequency for a C-Cl bond would be A higher. B lower. C not possible to determine with the information given. D identical.
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Determine the redox reaction represented by the following cell notation.Mg(s) | Mg2+(aq) || Cu2+(aq) | Cu(s)Determine the redox reaction represented by the following cell notation.Mg(s) | Mg2+(aq) || Cu2+(aq) | Cu(s)2 Mg(s) + Cu2+(aq) ? Cu(s) + 2 Mg2+(aq)Mg(s) + Cu2+(aq) ? Cu(s) + Mg2+(aq)2 Cu(s) + Mg2+(aq) ? Mg(s) + 2 Cu2+(aq)Cu(s) + Mg2+(aq) ? Mg(s) + Cu2+(aq)3 Mg(s) + 2 Cu2+(aq) ? 2 Cu(s) + 3 Mg2+(aq)
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a 25.0 ml sample of 0.150 m nitrous acid is titrated with a 0.150 m naoh solution. what is the ph at the equivalence point? the ka of nitrous acid is 4.5 10-4.
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the diagram below represents 23 pairs of structures taken from the nucleus of a human body cell
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In the electrolysis of water, how long will it take to produce 185.0 L of H2 at 1.0 atm and 273 K using an electrolytic cell through which the current is 185.0 mA? How many hours?
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suppose 0.690M of electrons must be transported from one side of an electrochemical cell to another in 60 seconds. calculate the size of electric current that must flow.
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sulfur dioxide (so2) reacts with oxygen (o2) in the atmosphere to produce sulfur trioxide (so3). how many grams of so3 are produced when 1096.00 grams of o2 react with excess so2? (enter numerical answer with two decimal points and without units, e.g., 1455.62, 34.45)
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a 25.0 ml sample of sulphuric acid is completely neutralized by adding 32.8 ml of 0.116 m ammonia solution. ammonium sulphate is formed. what is the concentration of the sulphuric acid?
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Which of the following are events involving electricity? Select all that apply.Select all that apply:the accumulation of static electricity on a balloonthe formation of lightningthe precipitation of a saltthe generation of current by a battery
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Need help with this two part question
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Explain why resonance between the O-C-O atoms that make up the ester functionality doesn't exist if any of these three atoms are sp3 hybridized.
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Given the electrochemical reaction shown, what is the standard free energy change G if E = +1.61 V? Mg | Mg2+(aq) || Zn2+(aq) | Zn
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what wavelength of light is required to dissociate iodine molecules into iodine atoms? (hint: think about the reaction from i2 2 i and remember that only one photon will dissociate 1 molecule.)
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why are organic molecules so diverse compared to inorganic molecules
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calculate the ph of a 0.10 m solution of sodium formate (NaHCOO) given that the Ka of formic acid (HCOOH) is 1.8 x 10^-4.
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