An automobile engine provides 623 Joules of work to push the pistons. In this process the internal energy changes by -2776 Joules. Calculate q for the engine. This represents the amount of heat that must be carried away by the cooling system. Joules

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Q: b) Pyrrole and indole both react with the reagents shown below to give compounds and F respectively....

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Q: An unknown compound has the following chemical formula: PtCl, where x stands for a whole number. Mea...

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Q: hat is the molality of a solution labeled "8.6% ucose (C_H „0) by weight?" *12 Tote: If the question...

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Q: Encircle all the chiral center/s in the given compound below

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Q: beer - 4.50% (v/v) of ethanol soju - 24.0% (v/v) of ethanol 500.00mL of beer was mixed with 200.00mL...

A: Concentration of ethanol in beer = 4.50% (v/v) Concentration of ethanol in soju = 24.0% (v/v) Volume...

Q: Name the highlighted chemical group in each molecule. Lewis structure name of highlighted group H H ...

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Q: Question 25 The precipitate to be obtained will be more likely colloidal if the computed relative su...

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Q: Gaseous butane (CH, (CH),CH,) reacts with gaseous oxygen gas (0,) to produce gaseous carbon dioxide ...

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Q: A scientist measures the standard enthalpy change for the following reaction to be -52.7 k) : C,H4(9...

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Q: (a) the ion with a 3+ charge, 28 electrons, and a mass number of 71 (b) the ion with 36 electrons, 3...

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Q: The reaction 2 C4H10(s) + 13 O2(g)- has AG° = -5407 kJ. Determine the value of AG° for C4H10(3). 8 C...

A: Consider the given information is as follows; 2 C4H10g  +  13 O2g   →    8 CO2 g   +   10 H2O g∆G° =...

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A: Consider the given information is as follows; 64.0mL portion of a 1.60M solution is diluted to a tot...

Q: Is the following reaction spontaneous at room temperature and pressure? 2A820(s) → 4Ag(s) + O2(g) O ...

A: If change of entropy is positive at room temperature and pressure of a reaction than this reaction w...

Q: Suppose a 250. mL flask is filled with 0.80 mol of NO and 2.0 mol of NO,. The following reaction bec...

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Q: Suppose a 500. mL flask is filled with 0.40 mol of NO, and 1.0 mol of NO. This reaction becomes poss...

A: Moles of NO2 initially = 0.4mol Moles of NO initially = 1mol Volume of flask = 500ml We have been as...

Q: Sulfur dioxide and oxygen react to form sulfur trioxide during one of the key steps in sulfuric acid...

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Q: Identify the IUPAC names of the given structures

A: The given compounds:

Q: Calculate the work, in joules, done by a gas as it expands at constant temperature from a volume of ...

A: Initial Volume = 1L =Vi Final volume = 1 = Vf External pressure = Pext = 4atm 1atm = 101325Pa 1Pa = ...

Q: Ib/ft at atmospheric pressure. 2. Calculate the quantity of heat in kJ to be transferred to 9.5 lb o...

A:                                 Answer  2. Calculate quantity of heat in kg           Q = mCVdT Q= ?...

Q: Which of the following equations is a mathematical definition of enthalpy? Ο ΔΗ- ΔΕ-ΡAV Ο ΔΗ-ΔΕ + ΡA...

A: enthalpy is the sum of the internal energy and the product of the pressure and volume of a thermodyn...

Q: Methane (CH,) gas and oxygen (0,) gas react to form carbon dioxide (Co,) gas and water (H,O) vapor. ...

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Q: True or False: In the Ellingham Diagram, Cu oxidation is spontaneous at all given temperatures.

A: Given statement is : In the Ellingham Diagram, Cu oxidation is spontaneous at all given temperatures...

Q: The reaction 2 C4H10(s) + 13 O2s) - has AG° = -5407 kJ. Determine the value of AG°; for C4H10(8). 8 ...

A: Given reaction is :  2 C4H10 (g) + 13 O2 (g) → 8 CO2 (g) + 10 H2O (g)and ∆Go = -5407 KJDetermination...

Q: (f) ZNCO; (g) NaHSO4 (h) Ba(C10,)2 (i) MgO, G) CrBr3

A: The given inorganic molecules have cation and anion. When we write name of compound, balanced charge...

Q: The molar solubility of AgCl in 6.5 × 10M AGNO3 is 2.5 x 10 8 M. In deriving K, from these data, whi...

A: Given, Concentration of AgNO3=6.5*10-3MMolar solubility of AgCl = 2.5*10-8M As, AgCl⇌Ag++Cl-Solubili...

Q: Gaseous butane (CH,(CH,) CH,) reacts with gaseous oxygen gas (0,) to produce gaseous carbon dioxide ...

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Q: For the reaction 2C02(g) + 5H2(g)→C2H2(g) + 4H20(g) AH° 46.5 kJ and AS° = -125 J/K %3D %3D At standa...

A: 2CO2(g) + 5H2(g) ----> C2H2(g) + 4H2O(g) ∆Ho = 46.5 kJ , ∆So = -125 J/K  

Q: Reaction (AS') Positive or Negative? a. CaO(s) + CO2(g) → CaCO3(g) 1. b. 20(s) + O2(9) - 2CO2(9) 2. ...

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Q: The partial pressure of O2 in the atmosphere at sea level is 21.3 kPa.  What is the partial pressure...

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Q: Arrange the following from lowest to highest entropy: SiO2(s), SiBr4(4), SİCL (g), SiC(s). Assume 1 ...

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Q: The molar heat of combustion, A H¿, of sucrose is -5643.4 kJ mol-1. If 0.250 moles of sucrose is com...

A: The entropy of a substance is the measure of disorder. As the disorder in the substance is increases...

Q: A major component of gasoline is octane (C,H8). When octane is burned in air, it chemically reacts w...

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Q: answer 3

A: Initial Temperature of Balloon,T1 = 155℃ = 273+155 = 428 K Initial pressure of Balloon ,P1 = 1200 to...

Q: wavelength 200 nm. (McQuarie 1-19) 4. A ground-state hydrogen atom absorbs a photon of light that ha...

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Q: The 40% ethanol that is being distilled has a temperature of 25 deg Celsius at the start of distilla...

A: Answer is as follows :

Q: What is the mass of taurine if the number of moles is 0.4249 mol? What is the number of moles in iro...

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Q: 5. Suppose that the CH3 group connected to the nitrogen in methamphetamine were instead a CH2CH3 gro...

A: Given that, in methamphetamine, the -CH3 group is connected to the nitrogen atom. Now, we have to te...

Q: RLES' LAW A balloon, originally at 6.28 L and 211K has its temperature increased to 419K. What will ...

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Q: Give reason 2 a) PCl5 acts as an oxidising agent. b) Dinitrogen is chemically inert

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Q: . Calculate the annual cost of slaked lime and soda for treating E. 70,000 litres of water per day, ...

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Q: There is a 15.85% by mass KCl (molecular mass is 74.5513 g mol) solution at 25°C. The density of the...

A: We know that , Osmotic pressure= (Molar concentration of solute*ideal gas constant*temperature)

Q: Which of the following is an example of a nonspontaneous process? OSolid water (ice) subliming in a ...

A: A multiple choice question based on chemical thermodynamics that is to be accomplished.

Q: Use electronic factors to explain why methy carbanion is more stable than tertiary butyl carbanion

A: Answer is :

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A: Simple cubic structure in which atoms  are presenty only at corners of unit cell and face centred st...

Q: A scientist measures the standard enthalpy change for the following reaction to be -189.6 kJ : HCI(g...

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Q: Draw the structures of the amino acids phenylalanine and aspartate in the ionization state you would...

A: We have been asked to draw the structures of phenylalanine and aspartate at pH = 7 We have been aske...