The reaction would have a _______ △S. A) positive

Q: Rolling a ball up a hill Press F11 to exit full screen Boiling water in a beaker to make steam…

A: Exothermic reactions results in release of energy in the form of heat.

Q: thermometer A 58.8 g sample of aluminum, which has a specific heat capacity of 0.897 J-g is put into…

A: Answer: This question is based on the conservation of energy where heat lost by aluminum sample will…

Q: Question 7 The rms speed of a molecule of fluorine gas at a temperature of 37.5 C is: Work must be…

A:

Q: Select the energy in joules that an average oxygen molecule in a flame at 2000 K would have…

A: Given that ,  Diatomic Molecule (O2)  Temperature = 2000K  We have to determine the average kinetic…

Q: Calculate which sample of gas would react faster, a sample of gas at 25 deg C or a sample of gas at…

A: Step 1:As the temperature increases, the number of collision molecules ( which are cross the energy…

Q: A student dissolves 12.9 g of sodium hydroxide (NaOH)in 300. g of water in a well-insulated open…

A: Mass of NaOH = 12.9 g Number of moles of NaOH = mass/mol.wt. = 12.9 g/(40 g/mol) = 0.3225 mol Mass…

Q: C. Assessment/Applications Test I. True or False. Directions: Read each statement very carefully.…

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Q: ) Listen Which one of the following is an endothermic process? Freezing water O Condensation of…

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Q: Now, in the actual Beirut explosion, 2750. metric tons of ammonium nitrate reacted in the presence…

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: ∆H

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Q: A sample of water with a mass of 23.31g and an initial temperature of 367.67K loses 8615Joules. What…

A: Given,

Q: A gas sample initially at 1.75 atm increases in pressure to 4.51 atm as the volume shrinks to 6.8 L.…

A:

Q: If 265.7 g sample of iron is placed in 1.339 L of water initially at 20.023oC and both substances…

A: From law of conservation of energy,heat lost by hot body = heat gained by cold body          M1 =…

Q: Given the following reaction, how much energy would be produced if 3.59 L of oxygen gas reacted with…

A: STP is standard pressure and temperature. At STP , 1 mol of gas is equivalent to 22.4 L of its…

Q: 9) How many joules are released when 450 grams of water are cooled from 4x 10"°C (the hottest…

A: Specific heat formula is The equation for the amount of energy in Joules (J), needed to change the…

Q: Consider the reaction, C₂H4(g) + H₂(g) → C₂H6lg where AH = -137 kJ. How many kilojoules are released…

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Q: Question 7 of 44 Which of the following best describes the reaction? 2 H₂S(g) + 3 O₂(g) → 2 H₂O(g)…

A: The given balanced chemical equation is2H2S(g) + 3O2(g)  2H2O(g) + 2SO2(g)  Entropy is a measure of…

Q: A student dissolves 11.4 g of potassium chloride (KCI)in 300. g of water in a well-insulated open…

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Q: A mixture of neon and carbon dioxide gases, in a 7.06 L flask at 18 °C, contains 5.11 grams of neon…

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Q: Substance X is known to exist at 1 atm in the solid, liquid, or vapor phase, depending on the…

A: Answer: During the phase transition of a crystalline substance, temperature remains constant until…

Q: What is the mass of a sample of water if it's tempature drops by 25.2c when it loses 820j of energy

A: Given To know about the thermodynamic process of energy  data  tempature drops by 25.2 0C  it loses…

Q: How do you think a calorimetry is working? Discuss the principles below.

A: The demonstration or study of estimating the adjustments in the state factors of a body to ascertain…

Q: What is the energy change when the temperature of 11.6 grams of gaseous helium is decreased from…

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Q: If 50.0 g H2O at 13.6 °C is combined with 85.0 g H2O at 93.7 °C, which is most likely to be true?…

A: When a hot substance comes in contact with the cold substance, the hot substance losses heat and…

Q: 75.0 g of H2O at 23.0 °C is added to 100.0 g of H20 at 67.5 °C. What is the temperature of the…

A: We know that heat is transferred from a high-temperature system to a low-temperature system. Here,…

Q: What is the final temperature (in °C) if 4.50 L of helium at 35 °C is cooled until the volume…

A: Given, Initial volume of Helium , V1= 4.5 L Initial temperature, Ti= 35°C=(35+273)K=308 K Final…

Q: 5 40 Listen When the following equations are balanced using the smallest possible integers, what…

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Q: for 1 and 2, why is it in deg C and not kelvin (K)?

A: Conversion of Celsius scale to Kelvin scale of temperature:  To convert from the Celsius scale into…

Q: Kw (at 0 K) is 2.00E-01.  What is the [H3O+]? Teacher gave the answer of 4.47E-01 but I don't…

A: We need to calculate the [H3O+]

Q: 46 g of propane gas combusts according to the reaction below. C3H8 (g) + 5 O2 (g) --> 3 CO₂ (g) + 4…

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Q: Example 1: If a 2.0 L sample of air is collected at 298K, but its temperature falls to -25°C, what…

A: Charle's law states that volume of a gas  is directly proportional to temperature of a gas at…

Q: What is the energy change when the temperature of 11.9 grams of gaseous xenon is decreased from 39.0…

A: Given: Mass of gaseous xenon (m) = 11.9 g

Q: A chemical reaction produces a large increase in the number of moles of gas. Determine whether…

A: Given A chemical reaction produces a large increase of moles of gas.

Q: 6) Before leaving on a trip to Melbourne Beach, Florida, you measure the pressure inside the tires…

A: Consider the given information is as follows; Initial temperature T1 = -7.5°C=-7.5+273.15=265.65 K…

Q: ducation.com/flow/connect.html Saved (Thermochemistry: Energy FL.. i 1 attempts left Check my work…

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Q: Choose all of the processes from below which describe changes which are independent of the path by…

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

Q: In a city X the atmospheric pressure is 547 torr. Waht is the boliling point of water (AH = 40.7…

A: In order to find the boiling point we first write down the given data: Atmospheric pressure= 547…

Q: The reaction between nitrogen and oxygen gases requires the absorption of 43 kJ of energy per mole…

A: Given Reaction: N2(g) + O2(g) ------>2NO (g)          ΔH = 43 KJ/mol

Q: What is DU for the formation of I mole of CO at I atm and 258C? C(graphite) 1 1202(g) ¡ CO(g) ¢H 5…

A: The main aim of this question is to calculate the formation of I mole of CO at one atm and 258 °C…

Q: _10. Which of the following follows the correct writing of thermochemical equations? A. 2H90 → 2Hg +…

A: Since you have posted multiple questions, the answer for first question (10th question) is given…

Q: Macmillan Learning Write a balanced equation for the reaction between gaseous methane (CH) and…

A: Given,when gaseous methane ( CH4 ) gas to form gaseous carbon tetrafluoride  (CF4 ) and gaseous…

Q: What is the final temperature when 640 calories are given off (-q) by 40.0 grams of water at 45.0…

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Q: A sample of water with a mass of 23.31g and an initial temperature of 367.67K loses 8615J. What is…

A: Final temperature will be 279.25 K. Solution : We know the relations of specific heat capacity…