What is the kinetic energy of a 0.146 kilogram baseball moving at a velocity of 44.8 meters per second? (KE =½ mv) Joules

Q: How much heat (in joules) is used to heat an 80.88-gram sample of iron from 3.59 °C to 100 °C if the…

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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: 3. (Stoichiometry + LR/ER) The thermite reaction, used for welding iron, is the reaction of Fe;O4…

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Q: The equation for the combustion of octane is: 20,H) + 250e) →16CO +18H,0, AH =-10,900 kJmol a. What…

A: Interpretation: From the equation of combustion of octane, a) mass of oxygen needed to release 8516…

Q: A 1.3-g sample of rice is placed in a calorimeter. When the sample is burned, 22.00 kJ is given off.…

A: Given: The Heat is given off when rice is placed in the calorimeter = 22.00 kJ The mass of the…

Q: How much heat will be released (AH) if 0.4501 mol of NH3 are mixed with 0.20 mol of O2 in the…

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Q: How much heat, in kJ, is produced by the amount of octane needed to drive 619 kilometers in a car…

A: Combustion reaction: 2C8H18(l) + 25O2(g) → 16CO2(g) + 18 H2O(l)  Energy released on combustion of 2…

Q: On a brisk walk, a person burns about 318 Cal/h. If the brisk walk were done at 3.8 mi/h, how far…

A: We have burning of calorie as 318 cal/h . Rate of walking is 3.8 mi/h . We have to calculate the…

Q: Deterioration of buildings, bridges, and other structures through the rusting of iron costs millions…

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Q: How much heat will be released (AH) if 0.4391 mol of NHs are mixed with 0.20 mol of O2 in the…

A: Change in enthalpy (∆H) is proportional to the number of moles of reactants and products associated…

Q: How much heat (in kilocalories) is evolved or absorbed in the reaction of 1.00 g of Na with H2O? Is…

A: Given: Mass of Na is 1.00g. The reaction of Na with water can be represented as 2Na(s) +…

Q: If 890 kJ is released during the combustion of 1 mol of methane, what is the heat of reaction if…

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Q: 4. How much work is done by or on the system (state which), in Kcal, in a reaction if the internal…

A: The solution is given below -

Q: The major source of aluminum in the world is bauxite. Its thermal decomposition can be written as:…

A: Thermodynamic is the branch of chemistry that mainly deals with the heat transfer between system and…

Q: For the reaction H2(g) + 1/2 O2(g) --> H2O(g), DHo = -241.8 kJ/mol. what mass of H2(g) in grams is…

A: To solve this problem we have to use the given thermochemical equations. First we have to write the…

Q: How much heat will be released (∆H) if 1.20 mol of SrO is mixed with 0.951 mol of CO₂ in the…

A: Let x be the number of moles at CO2 required by 1.2 mol of SrO 1.2 mol of SrO requires 1.2 moles of…

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, in joules, is required to raise the temperature of 1.82 Kg of water by 3.32°C?

A: Rise in Temperature (∆T) =3.32 °C  Mass of water (m) = 1.82 kg = 1.82 × 103 g Heat (q) =?

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

A: The balanced reaction taking place is given as, => N2 (g) + O2 (g) -----> 2 NO (g)…

Q: When 1 mole of N3(g) reacts with H2(g) to form NH3(g) according to the following equation, 92.2 kJ…

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Q: When 2 moles of NO(g) react with O2(g) to form NO2(g) according to the following equation, 114 kJ of…

A: When energy is evolved during reaction reaction is exothermic and when energy is absorbed during a…

Q: When 2 moles of SO2(g) react with O2(g) to form SO3(g) according to the following equation, 198 kJ…

A: Given reaction: 2SO2(g) + O2(g) → 2SO3(g) It is given that when 2 moles of SO2(g) react with O2(g)…

Q: When methanol, CH,OH, is burned in the presence of oxygen gas, O,, a large amount of heat energy is…

A: CH3OH + 3/2 O2 ...> CO2 + 2H2O dH = -764 KJ Enthalpy of reaction is negative. It means combustion…

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: What is the specific heat capacity (J/g• °C) of a metal object whose temperature increases from…

A: Specific heat capacity is the amount of heat absorbed by 1 gram of a substance to raise its…

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

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Q: Consider the reaction: C3Hg(g) +5 02(9) 3 CO(9) + 4 H20(g), where AH= -531 kcal/mol. How much heat…

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Q: Deterioration of buildings, bridges, and other structures through the rusting of iron costs millions…

A: The change that happens in particular system when any specific matter gets transformed through a…

Q: 1. How many KJ are used by a 154lb adult while sleeping for one hour? 2. In the specific heat…

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Q: If 100.0 g of iron (s.h. =0.446) absorbs 12.5 kJ, how much will its temperature increase?

A: Given: mass of iron (m) = 100.0 g specific heat of iron (C) = 0.446 J/goC Heat absorbed (q) = 12.5…

Q: A chemical reaction is carried out in a 30.0 g calorimeter. The calorimeter has a specific heat of…

A: Here the heat released by the reaction is absorbed by both the calorimeter and water inside the…

Q: when butane (C4H10) in a cigarette lighter undergoes combustion, it evolves 2880 kJ per mole of…

A: When butane (C4H10) in a cigarette lighter undergoes combustion, it evolves 2880 kJ per mole of…

Q: What is the change in energy of a gas at a pressure of 135 kPa, if the gas loses 250 J of energy as…

A: A gas is compressed from 42.8L to 31.3L at a pressure of 135KPa. The gas loses 250J of energy. What…

Q: What is the specific heat of a 72.01 g piece of an unknown metal that exhibits a 45.2°C temperature…

A: Given data is  mass of sample = 72.01 g Temperature = 45.2 oC Heat absorbed = 1870 J Formula used…

Q: What is the kinetic energy of a 63.4 gram bullet moving at a velocity of 318 meters per second?…

A: Given values are, Mass ,m =63.4 g =0.0634 kg Velocity,v= 318 m/s

Q: The data given in the table below is for the following reaction (run at 25°C): 2 NO + O, 2(g) → 2…

A: 1. Order with respect to NO  = 2     Order with respect to O2  = 1 2. Rate Law…

Q: The reaction written below has a ΔH of +2,980 kJ/mol            6CO2(g) + 6H2O(g) --> C6H12O6(g)…

A: The balanced reaction given is, => 6 CO2 (g) + 6 H2O (g) → C6H12O6 (g) +6 O2 (g)…

Q: The equation for the combustion of octane is: 20,Hmu) +250e 16CO, +18H,0 AH =-10,900 kJmol" a. What…

A: The heat of the reaction is 10900 KJmol-1 which means that 10900 KJ of heat is released when 2 moles…

Q: Suppose it took 108 joules of energy to raise a bar of gold from 25.0°C to 29.7°C. Given that the…

A: Q = 108 J  Tf = 29.7°C  Ti = 25.0 °C  m = ?

Q: How many joules of heat are evolved by a reaction in a calorimeter where the temperature of the bomb…

A: We know that,  Heat = m x c x ∆T  Where, m = mass  c = specific heat  ∆T = change in temperature

Q: - 2 Al(s) + Fe2O3(s) 2 Fe(s) + Al2O3(s) AH=-848.0 kJ The mass of aluminium oxide produced when -2544…

A: Aluminum metal reacts with iron (III) oxide to form aluminum oxide and iron metal. The equation for…

Q: 4. Sodium carbonate is a white powder used in the manufacture of glass. When hydrochloric is added…

A: The chemical equation can be written as: 2H+(aq)+CO32-(aq)→CO2(g)+H2O(l) To calculate the ΔHº for…

Q: The reaction releases 251 kJ of heat. What is the AH for the reaction written? kJ/mol as

A: Given information: Mass of liquid methanol = 11.08 g Heat released (q) = 251 kJ

Q: In a particular reaction, a coffee cup calorimeter absorbs 487 J of energy while the temperature…

A: Using the formula of specific heat capacity , and using heat capacity of water we have solved this…

Q: Calcium phosphide is used in fireworks, torpedoes, self-igniting naval pyrotechnic flares, and…

A: Answer :-  Increase in temperature because this is an exothermic reaction.

Q: The reaction N2(g) + 3H2(g) --> 2NH3(g) at 400.0°C has an associated heat of reaction -92.22 kJ/mol.…

A: The given chemical reaction is as follows: N2(g) + 3H2(g) → 2NH3(g)                    ∆Hr=-92.22…

Q: 6. Calculate the amount of heat released when 1.26 x 104 grams of ammonia NH3 are produced according…

A: The given amount of ammonia is 1.26×104 g. The chemical reaction that takes place for the production…

Q: Given the following information: Cao (s) + H20 (1) -- Ca(OH) 2(s) AHO = -62.5 kJ/ mol How many grams…

A: The reaction given is

Q: What is the kinetic energy of a 4.15x10 kilogram golf ball moving at a velocity of 44.3 meters per…

A: Kinetic energy is defined as the energy possessed due to virtue of the motion of the molecule.