1. What is the current state of the relationship between "AC" and "KG"? 2. What complaints does "AC" have against "KG"? 3. What is going to happen between these two people in the future?
Q: A sample of water with a mass of 38.50 grams absorbs 2.950 kJ of heat energy. if the initial…
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Q: The following thermochemical equation is for the reaction of N₂ (g) with H₂ (g) to form NH3(g).…
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Q: What is the kinetic energy of a baseball with a mass of 117.7 g traveling at a speed of 1.377 m/s?
A: Given, Mass of a baseball (m) = 117.7 g = 0.1177 kg Speed of a baseball (v) = 1.377 m/s Kinetic…
Q: The first law of ____ states that the energy of the universe is constant. Group of answer choices…
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Q: The following thermochemical equation is for the reaction of HCl(g) with NH3 (9) to form NH4Cl(s)…
A: This is exothermic reaction as ∆H of the reaction is negative. 1 mole ammonia react with 1 mole…
Q: The reaction of hydrogen and nitrogen gases produces 5.00 g of ammonia and releases 3250 cal of…
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Q: 2. How many grams of water would require 2200o joules of heat to raise its temperature from 34.0°C…
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Q: The decomposition of 10.0 g of ammonia requires 27,200 J of energy to give hydrogen and nitrogen…
A: Heber process: It is the industrial technique to produce ammonia from nitrogen and hydrogen gas. The…
Q: A 250 kg copper pipe is heated from 21o C to 43o C. What is the energy needed to heat the pipe?
A: Heat is calculated by following formula: q = m × c × (T2 - T1) Specific heat capacity for copper is…
Q: A 1753 kg1753 kg car is traveling down the road at 82.2 km/h.82.2 km/h. While traveling at this rate…
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Q: The temperature of 756 g of water in a calorimeterincreases from 23.2°C to 37.6°C. How much heat…
A: Given: Mass = 756g Initial temperature= 23.2oC Final temperature= 37.6oC To find: The heat given off…
Q: ellular respiration is a process that produces energy for the cell and is about 40% efficient. If…
A: The efficiency of the process of cellular respiration is = 40 % The total energy used in cellular…
Q: A sample of water with a mass of 23.31g and an initial temperature of 367.67K loses 8615Joules. What…
A: Given,
Q: 3. The density of water at 25 °C is 0.997 g/mL and the density of vegetable oil at this temperature…
A: Endothermic process: it is a thermodynamic process where the enthalpy (H) of the system icreases.…
Q: It takes 770 joules of energy to raise the temperature of 50.0 g of mercury by 110-C. What is the…
A: Given Heat q = 770 Joule Mass of mercury m = 50.0 g Temperature change ∆T = 110oC specific heat of…
Q: A piece of gold (specific heat of 0.129 J/g oC) at 190 oC is placed in 165 mL of water. The initial…
A: The heat lost by the piece of gold is absorbed by water. The amount of heat absorbed by water can be…
Q: How much heat in joules is needed to raise the temperature of 4.5 L of water from 0°C to 89.0°C?
A: Formula for heat taken to change the temperature is:
Q: If AH = -54.74 kJ for a chemical reaction, that reaction O is endothermic cannot occur is exothermic
A: In endothermic reaction heat is require while in exothermic reaction heat is given off.
Q: 7) How many joules are required to heat 75 grams of water from -85 °C to 85°C?
A: 7. Given,Mass of water = 75 gramsTemperature of water changes from - 85 °C to 85 °CRequired,…
Q: 2. A system performs 3.63 kJ of work and gives off 8.98 kJ of heat. What is the change in energy of…
A: To solve this problem we will use First Law of Thermodynamics . According to this law ∆E = q + w…
Q: 1621 kg car is traveling down the road at 89.4 km/h. While traveling at this rate of speed, what is…
A: The question is based on the concept of kinetic energy. the amount of energy possessed by a molecule…
Q: 2. How much heat is lost when a 640 g piece of copper cools from 375 °C, to 26
A: When a solid substance is cooling then heat is lost . It can be determined by the following formula-…
Q: How much energy is released in the formation of 612 g of PCl3 (137.32 g/mol), according to the…
A: From the given reaction we can say that when 4 moles of PCl3 is formed, energy released in the…
Q: Using values from Appendix C in your textbook, calculate the standard enthalpy change when gaseous…
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Q: An 850 g piece of copper metal is heated to 100∞C and dropped into a calorimeter containing 275 g of…
A: It is given that 850 g of copper metal was at a temperature of 100°C and 275 g of water was at a…
Q: How much heat is required to raise the temperature of 125 grams of water by 10.0 degrees C?
A: Answer The quantity of heat required to raise the temperature of 125 g of water by 10.0°C is 5230 J.…
Q: 10.0 g sample of metal at 78 C is submerged in 50.0 mL of water at 25 C, the final temperature of…
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Q: heat energy is required
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Q: For numbers 38 and 39, use the data in the table below to answer the questions: AHor kJ mol 49.04…
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Q: Knowing that liquid water has a much higher specific heat capacity than the metal lead, which sample…
A: Q = m . s . ∆T Where, Q = heat absorbed; m = mass of substance; s specific heat capacity and ∆T =…
Q: When 2 moles of H2S(g) react with O2(g) to form H2O(l) and SO2(g) according to the following…
A: Given : Amount of heat evolved in the reaction = 1.12 X 103 KJ And moles of H2S reacted = 2 moles
Q: A 1467 kg1467 kg car is traveling down the road at 81.0 km/h.81.0 km/h. While traveling at this rate…
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Q: How many grams of carbon are present if it requires 57.5 kJ of energy to heat a sample from 20.0 to…
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Q: How many kilojoules of heat are required to raise the temperature of 178 g of aluminum from 13.0˚C…
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Q: 20.0 g sample of aluminum (specific heat = 0.902 J g-1 C-1) with an initial temperature of 48.6C…
A: Given that: Mass of aluminium(m) = 20.0g Specific heat (C) = 0.902J/g°C Initial temperature(Ti) =…
Q: 6. A 5.00 g piece of lead is heated to 290.0 °C and then placed in 50.0 g of water at 25.0 °C in a…
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Q: A 1401 kg1401 kg car is traveling down the road at 85.8 km/h.85.8 km/h. While traveling at this rate…
A: The kinetic energy of the vehicle in kilojoules is ≈ 398 kJ
Q: How much heat energy is required to raise the temperature of 0.366 kg of copper from 23.0 C to 60 C?…
A: The mass of copper is = 0.366 kg The raise in temperature is = 60-23 = 37oC The heat capacity of…
Q: How many Joules of energy would be required to heat 35g of water from 23C to 29C?
A: Specific heat capacity of a substance can be defined as the amount of energy required to raise…
Q: How many joules are required to heat 340 grams of water from 25oC to 125oC?
A: Given: Mass (m) = 340 g = 0.340 kg Initial temperature (T1) = 25°C Final Temperature (T2) = 125°C
Q: The following thermochemical equation is for the reaction of H₂ (g) with Cl₂ (g) to form HCl(g). H₂…
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Q: Calculate the enthalpy of the reaction 2NO(g) + O2(g)→2NO2(g) given the following reactions and…
A: The given data is as follows: Equation 1: 12N2(g) + O2(g) → NO2(g), ∆HA∘=33.2 kJ…
Q: what pure metal is the ring composed?
A: Mass of metal (m) = 14.8 g Initial Temperature(T1) = 23.2 °c Final Temperature (T2) = 55.8 °c Heat…
Q: 4. INTERNAL ENERGY OF A SYSTEM a. Calculate the change in the internal energy of a liquid system…
A: According to the first law of thermodynamics, the change in internal energy is given by: ∆E = q +…
Q: QUESTION 11 Which of the following has a standard enthalpy of formation of zero? O3(g) 12(g) Ar(g)…
A: Which of the following has standard enthalpy of formation zero?
Q: If 87 J of heat are added to a balloon, causing it to expand from 1.0 L to 1.4 L under 0.97 atm of…
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