Is there a difference when the needle or metal clip is placed on the surface of distilled water with dilute amounts of liquid detergent? Explain your observations in terms of the strength of IMFA present in each condition

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Q: The Kb of C6H5NH3+ is 3.98x10-10 What is the [H3O+] concentration in a solution that is 4.25x10^-4 ...

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Q: Which of the following reactions require different reagents for terminal vs internal alkynes O reduc...

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Q: Given: I2 (aq) ↔ 2I-(aq) Write the equation relating the two species:  [I-] = ______ a. (k1/k-1)2...

A: [ I- ]2  = k1 [ I2]  / k-1   [ I- ]2  = ( k1 / k-1 )  [ I2]  [ I- ]  = ( k1 / k-1 )1/2  [ I2]1/2  D ...

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Q: What solute characteristic affects the colligative properties of solutions? Use the paperclip button...

A: Colligative properties of solutions are depend upon the concentration of solute molecules or ions,  ...

Q: Find the solubility of CuI in 0.55 M KCN solution. The Kp of Cul is 1.1 x 10-12 and the Kf for the C...

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Q: Measurements show that the energy of a mixture of gaseous reactants decreases by 249. kJ during a ce...

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Q: Your laboratory uses an analytical instrument for lead (Pb) that requires calibration with four stan...

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Q: Calculate the pH of a buffer prepared with 87.5 mL of a 0.0135 M benzoic acid solution and 50.0 mL o...

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Q: A. What is the pH after the addition of 180.0 mg of HBr? Express your answer using two decimal place...

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Q: mass

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Q: An imaginary machine takes 9,000 J of heat from a hot reservoir and 3,000 J of heat from a cold rese...

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Q: 2. What mass of NaCl is needed to prepare 30.0% by mass of 500g solution of NaCl? Solution: 30.0% by...

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Q: What is the pH of a 0.150 M NH4Cl solution? Kb of NH3 = 1.76 × 10−5

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Q: In what phase is the substance at 50 °C and 1 atm pressure? P (atm) 1 . 10 20 30 40 50 60 70 T(deg. ...

A: Solution                      Given that what phase is the substance at 50 °C and 1 atm pressure = ...

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Q: A vitamin syrup for infants contains 27.44 mg of zinc sulfate monohydrate (ZnSO4.H2O) and 100.00 mg ...

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Q: Find the standard molar enthalpy for the reaction C + 1/2 O2 -> CO given that C + O2 -> CO2 Delta H ...

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Q: Form the B to C by reagent and reaction missing! (ONLY USE ALKYLATION NOT

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Q: 73/ If the reaction 2H2S(g) - 2H2(g) + S2(g) is carried out at 1065°C, Kp = 0.0120. Starting from pu...

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Q: 4) Show the mechan iSm for the SNI reaction, muolving a carbocetion rearrangement. HO + HI 10) For e...

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Q: Calculate the Amax (in EtOH) of the following compound: HO,

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Q: What is the pKa for lactic acid (HC3H5O3)? The K, for lactic acid is 1.4x10-4. Answer:

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Q: How do you know that each element match up to their letter descriptions? I want a small explanation ...

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Q: Suppose all the chlorine atoms in this molecule are replaced by hydrogen atoms: CI Draw a skeletal (...

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Q: which is in th7 place in 115.87

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Q: A chemist dissolves 715. mg of pure sodium hydroxide in enough water to make up 110. mL of solution....

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Q: SUBATOMIC PARTICLES AND ISOTOPES Complete Symbol Mass Number Number of Protons Atomic Number of Numb...

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Q: 2H зн 3H 2H 2H 2H 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 PPM Determine the structure of A based on these sp...

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Q: 1 What is the percentage by mass and ppm of the following solutions: a. 30 g of NaCl and 105g of wat...

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Q: 8. A sealed vessel contains 0.25 M COC12, 0.11 M CO, and 0.11 M Cl2 at 668 K, which is an equilibriu...

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