Which has the least kinetic energy?   A. xenon moving at a velocity of 450 m/sec   B. helium moving at a velocity of 450 m/sec   C. argon moving at a velocity of 450 m/sec   D. krypton gas moving at a velocity of 450 m/sec

Q: ever camperature 24.7 °C Fuel Gasoline Mass 18 28 Replay 38 Calculate the amount of heat released…

A: The Answer to the following question is-

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Q: When a chemical bond between two atoms forms: Select one: a. Energy can be either absorbed or…

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Q: Which transition leads to an increase in PE?  C-->B A-->D C-->D D-->A

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Q: Calculate AH for the reaction 2 Al (s) + 3 Cl2 (g) →2 AICI3 (s), from the following data. 2 Al (s)…

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Q: References] The reusable booster rockets of the space shuttle use a mixture of aluminum and ammonium…

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A: Answer - The correct option is -(a)   = -792.3

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Q: When A reacts with B, the reaction produces C and D (reaction 1): A₍ₛ₎ + 2B₍ₗ₎ → 3C₍ₗ₎ + D₍ₛ₎ But…

A: Answer: Enthalpy of a reaction is: ∆Hrxn=∑i=1nai∆Hi(product)-∑i=1i=nbi∆Hi(reactant)Here:ai and bi…

Q: oses of this energy to or from er absorbing heat. gy, in the form of e. The total e heat and work:…

A: Given ΔH = -75 kJ Pressure  = 43 atm Change in volume = 5L to 2L

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A: The molar mass of HF is 20.1 g/mole

Q: 35. What do you call the minimum amount of energy needed to start a chemical reaction? A. Bond…

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Q: Thermal energy is: A form of kinetic energy. A form of potential energy. Consists of both potential…

A: Thermal energy is: A form of kinetic energy. A form of potential energy. Consists of both potential…

Q: • Look for the S° of the reactants and products. Compute for the AS° of the reactions. 4Al(s)…

A: 1. ∆S° = 2 ×S° (Al2O3) - 4×S°Al(s) + 3×S°O2(g)= 2mol ×50.9 J/mol.K   - 4mol×28.8J/mol.K +…

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Q: 246 CHAPTER 6 Thermochemistry 6.53 The specific heat of octane, CgH18(1), is 2.22 J/g-K. (a) How…

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Q: When A reacts with B, the reaction produces C and D (reaction 1): 2A₍ₛ₎ + 3B₍ₗ₎ → C₍ₗ₎ + 3D₍ₛ₎ But…

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Q: Use the ΔΗf and ΔΗΧη information provided to calculate AH°f for SO3(g): 2 SO2(g) + O2(g) – 2 SO3(g)…

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Q: 22. Specific heat is defined as the amount of energy needed to raise the temperature of 1 gram of a…

A: Specific heat is defined as

Q: Consider the following reaction at 25 °C: 3 Ni(s) + N,(g) + 3 H,O(g) → 3 NiO(s) + 2 NH,(g) Given the…

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Q: Remember: ΔH = ΔE + PΔV OR by rearranging the equation: ΔE = ΔH - PΔV Consider the reaction: 2Na(s)…

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Q: Using the following data, calculate the standard heat of formation of ICl(g) in kJ/mol:

A: Interpretation: To determine the standard heat of formation of ICl (g)

Q: Iron oxide reacts with aluminum in an exothermic reaction. Fe2O3(s) + 2 Al(s) → 2 Fe(s) + Al2O3(s)…

A: Fe2O3(s) + 2 Al(s) → 2 Fe(s) + Al2O3(s) Here 1 mol of Fe2O3 reacts with 2 mols of Al to form 2 mols…

Q: When A reacts with B, the reaction produces C and D (reaction 1): 3A₍ₛ₎ + B₍ₗ₎ → 2C₍ₗ₎ + D₍ₛ₎ But…

A: The two reactions given are, 1) 3A₍ₛ₎ + B₍ₗ₎ → 2C₍ₗ₎ + D₍ₛ₎ 2) 2A₍ₛ₎ + 2C₍ₗ₎ → 3B₍ₗ₎ + 2D₍ₛ₎ Given:…

Q: formation?

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Q: Determine the energy associated with each of these processes in order to recycle 1.26 mol Cu. The…

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Q: Which of the following statements is TRUE? An atonmic 24

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Q: About how long would it take hydrogen cyanide gas (HCN) to travel 10.0 meters at 25.0°C, when its…

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Q: 12. For the reaction Cl,0(g)+%O2(g) → 2C10, (g), AH° = 126.4 kJ/mol and AS° =-74.9 J/K mol. At…

A: Given Data:

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Q: Use the information in the table to determine AH for the reaction represented by the equation 2Cu +…

A: For the equation: 2Cu + S → Cu2S  ΔHof  (Cu2S)=-79.5 kJ/mol ΔHof  (Cu)=0 ΔHof  (S)=0

Q: Using the following equations, N,04(g) 2NO,(g) AH° =+57.93 kJ 2NO(g) + O,(g)– 2NO,(g) AH° = -113.14…

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Q: Can you please help me understand how to get the answer to this question. A 15.0 g sample of nickel…

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Q: MISSED THIS? Read Section 7.6 (Pages 281 - 284); Watch IWE 7.7. Nitromethane (CH,NO2) burns in air…

A: Number of moles of nitromethane = 44.725 or 44.73 Heat produced by 44.725 moles of nitromethane is =…

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Q: . Explain potential and kinetic energy in chemical terms.

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Q: 9. For the reaction, A2 (g) + 3B2 (g) 2 2AB, (g), K, = 0.01 and Ke = 67.24 at the same temperature.…

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Q: what is the mass of the water heated

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Q: 4. 3. TCactions, Wilere M represents à generic metal. 1. 2 M(s) + 6 HCl(aq) → 2 MCl, (aq) + 3 H, (g)…

A: Consider the given reactions. 2Ms+6HClaq→2MCl3aq+3H2g                ∆H1=-847 kJHClg→HClaq…