A system does 566566 kJ of work and loses 216216 kJ of heat to the surroundings. What is the change in internal energy,

Q: We must first calculate the mass defect (Am) for 56F.. Since atomic masses (which include the…

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Q: Solid benzene melts at 28.35 °C when the pressure is 85.2 MPa. The molar volumes of solid and liquid…

A: The melting point of solid benzene at 85.2 MPa is given to be 28.35°C. The molar volumes of solid…

Q: A researcher evaluates the stability of an oil. To do so, the sample is subjected to high…

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Q: A sample of radioactive radon-222 was found to have a half-life of 3.823 days. What fraction of the…

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Q: (Q23) What is the pH of a buffer solution that is 0.646 M in hydrofluoric acid and is 0.530 M is…

A: Buffer solution: The solution that resists the change in pH is known as a buffer solution. The…

Q: Calculate the pH of 4.0 X10^-4 M KOH O a. 4.60 b. O b. 3.40 c. O c. 9.40 O d. 10.60

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Q: The titration of0.5529 g of KHP required 25.75 mL of an NaOH solution to reach the equivalence…

A: Weight of KHP = 0.5529 gm Volume of NaOH = 25.75 ml

Q: Which of the following is an example of a homogeneous equilibrium? Question 24 options: A)…

A: In this question, we have to choose the example of a homogeneous equilibrium.

Q: Which of the following are hydrogen bonding interactions? Select all that apply. II I H. :0 III H. C…

A: *  H- bonding form between hydrogen  atom of     one molecule and more   electronegative  atom of…

Q: Question 4 D Ar(g) Tank X Tank Y P = 130 atm V = 70 L T= 21°C P= 150 atm V= 70 L T= 21°C Based on…

A: When volume and temperature are constant , pressure depends on number of moles. If same no. of atoms…

Q: What is the binding energy in kJ/mol nucleons for antimony-123? kJ/mol nucleons 51 H+ 72;n→ Sb The…

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Q: HX → X- + H+ Ka = 6.61 · 10-5 H2A ty НА- + н+ Ka = 2.68 · 10-7 Calculate the Keg for the following…

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Q: For the equilibrium:                     2 BrCl (g)   à   Br2 (g) + Cl2 (g) at 205 °C, the…

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Q: 45. The derived air concentration (DAC) is the concentration of A. 0.5 ALI B. 1 ALI C. 2 ALI D. 100…

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Q: The NaOH titrant in this experiment was prepared to be approximately 0.1 M and then was…

A: Given that, in an experiment,  approximately 0.1 M of NaOH solution was prepared and then was…

Q: Based on their respective van der Waals constants, which of these two gases: Ar (a = 1.337 L2 atm…

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Q: Calculate the pH when 60.0 mL of 0.200 M HBr is mixed with 30.0 mL of 0.400 M CH3NH2 (Kb = 4.4 x 10…

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Q: The balanced equation for the reaction of bromate ion with bromide in acidic solution is…

A: Using the rate law equation to calculate.

Q: Fill in the nuclide symbol for the missing particle in the following nuclear equation.

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Q: Draw the heating curve for ice at -30.0  °C to steam at 130.0 °C and label the phases on the lines…

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Q: A 24.0 mL sample of 0.115 M sulfurous acid (H,S0s) is titrated with 0.1019 M KOH At what added…

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Q: For the reaction 2N2O5(g) → 4NO2(g) + O2(g), the following data were collected.   t (minutes)…

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Q: QUESTION 2 99.3 grams of MGSO4 were dissolved in enough water to give 0.98 L of solution. Calculate…

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Q: For the reactions below, predict the major product. Hint: Consider whether the Lewis Base has formal…

A: Both the reaction are example of substitution reaction where one functional group is substituted by…

Q: A solution of nitrous acid (0.162 M, 23.82 mL) was titrated with 0.124 M sodium hydroxide (Ka = 4.00…

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Q: Which of the following describe(s) the following reaction? Choose all that apply. N+ He + H…

A: Here in the reaction 14N7 is bombarded with 4He2. The complete reaction will be : 14N7 + 4He2…

Q: If pure polonium-210 (k = 5.02 x 10-3 day-1) were used in a crime, based on radioactiv…

A: We know radioactive disintegration is first order kinetics. Again we know , for first order reaction…

Q: For any reaction at equilibrium, which of the following is TRUE? AS=0 O b. AG=0 AH<0 O d. AS<0

A: The equilibrium indicated by ∆G = 0 is known to be the equilibrium of spontaneity. This implies that…

Q: 2N + 40 2 NO2 AE N2+ 202 :: Recombine to products : Decompose to atoms :: Actual path : Decompose to…

A: Explanation given below

Q: Which of the following describe(s) the following reaction? Choose all that apply. 14N + He 170 + H O…

A: Types of nuclear reactions

Q: A rock contains 3.008 mg of 238U and 0.624 mg of 206Pb. The half-life of 238U is 4.51 ' 10 9 years.…

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Q: Write a balanced nuclear equation for the following: The nuclide nitrogen-13 decays to carbon-13 by…

A: We have to predict the balance nuclear equation.

Q: When 15.0 mL of a 8.48×10-4 M copper(II) bromide solution is combined with 22.0 mL of a 9.19×10-4 M…

A: Answer: Precipitate only forms when ionic product of the compound becomes great than its solubility…

Q: An analytical chermist is titrating 150.6 ml. of a 0.6600 M solution of diethylamine (C,H,), NH)…

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Q: Sample A 1. Molarity of Standard HCI 0.1 mol 2. Volume of Standard HCl used 25 ml 3. Initial Volume…

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Q: Each of the insoluble salts below are put into 0.10 M hydrobromic acid solution. Do you expect their…

A: Answer: These questions are based on the concept of simultaneous solubility where due to the…

Q: Which of the following describes the reaction: 214 Bi → He + 210 TI 83 81 positron emission beta…

A: Alpha decay : in which a nucleus emits an alpha particle ( or helium-4 nucleus) Beta decay:  in…

Q: Write the dissolution equation and the solubility product Ksp formular for each of the following…

A: For the sparingly soluble salt, we write the equation that represents its dissolution.

Q: 1. Solid benzene melts at 28.35 °C when the pressure is 85.2 MPa. The molar volumes of solid and…

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Q: List (e.g. 1, 2,...) the following buffer solutions in expected order of increasing buffer capacity.…

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Q: Of the following compounds is most volatile? Group of answer choices CH3CH2CH2CH3 C2F6 CH3CH2OH…

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Q: Solid sodium cyanide is slowly added to 75.0 mL of a silver nitrate solution until the concentration…

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Q: If the coefficients of a balanced reaction are all multiplied by 2, the cell potential is also twice…

A: Given that we have to multiply the coefficient of a cell reaction with 2.

Q: The symbol for molarity is ______. The units of molarity are ______.

A: Molarity is defined as the moles of a solute per liters of a solution

Q: Calculate the enthalpy of vaporization of water at its normal boiling point. ΔS° [H2O()] = 69.9…

A: We have to calculate the enthalpy of vaporization of water at its normal boiling point as follows in…

Q: A saturated solution of strontium hydroxide is repaired in the excess solid Sr(OH)2 is allowed to…

A: Given, Molarity of the HCl solution = 0.073 M = 0.073 mol/L Volume of HCl solution = 29.50 mL =…

Q: Explain the significance of the constants a and b in the van der Waals equation of state.

A: We have to explain the significance of constants a and b in the Vander Waals equation of state.

Q: NO3 (aq) + Fe2"(aq) → HNO2(aq) + Fe3+(aq) Referring to the equation above, balance the redox…

A: Write balanced redox reaction under basic condition---

Q: When the titration of an acid with a base is complete, the solution should change in color. What…

A: Acid-base titration: Titration is a method to determine the concentration of unknown acid by using…

Q: Draw the resonamce strutures of methoxy benzere. what is the resonance

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