What is the kinetic energy in kilojoules of a snail weighing 0.002981 kg and moving at a velocity of 16.55 km/yr?

Q: The explosion of 2.00 mol of solid trinitrotoluene (TNT; C7H5N3O6) with a volume of approximately…

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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: Sucrose, C12H2011 is oxidized in the body by O2 via a complex set of reactions that ultimately…

A: Given Energy released per mole of sucrose = -5.64 × 103 kJ/mol

Q: Given 80.0 g of water at 22.0 °C, calculate the resultant temperature of water following the…

A: q = mc∆T  q is the amount of heat energy absorbed  m is the mass of substance  c is the specific…

Q: A chemical reaction takes place and the H is recorded for reactants as being 200 kJ.  The products…

A: For a chemical reaction, the enthalpy of reaction (ΔHrxn ) is the difference in enthalpy between…

Q: 5) You discover a small block of an unknown metal in an old cabinet you purchased from a garage…

A: In this question, we have given an unknown metal which is silver and shiny. We have to determine its…

Q: A piece of silver with mass of 5.0 g is immersed in 25.0 g of water. This system is heated…

A: The specific heat capacity for a given chemical substance or a solution refers to the amount of heat…

Q: A piece of silver with mass of 20.0 g is immersed in 25.0 g of water. This system is heated…

A: Given:Mass of silver = 20.0 gMass of water = 25.0 gThe system is heated from 24.2 to 36.8°C.Cp…

Q: Nitrogen oxides undergo many interesting reactions in the environment and in industry. Given the…

A: Given that : The given reaction are : 2NO(g)  +  32O2(g)  →  N2O5(s)        ∆H=-223.7 kJ…

Q: 3. If 7,500 J of energy is added to 1.43 kg of iron (originally at 25.0°C), what temperature will it…

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Q: 1.The combustion of methane gas, the principal constituent of natural gas, is represented by the…

A: Recall the given reaction CH4g + 2 O2g → CO2g + 2 H2Ol     ,  ∆H°=-890.3 kJ We have to find the mass…

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: In an insulated bomb calorimeter, 0.568 g of solid citric acid (C6H8O7, molar mass 192.12 g) was…

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Q: Silane, SiH, burns according to the equation SİH4 + 20₂ SiO₂ + 2H₂O AH°= -1429 kJ. How much energy…

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Q: Which has more kinetic energy, a 1400 kg car moving at 115 km/h or a 12,000 kg truck moving at 38…

A: Kinetic energy is the energy of moving bodies. Every body in motion has kinetic energy. Kinetic…

Q: A piece of metal weighing 5.10 g at a temperature of 48.6°C was placed in a calorimeter in 20.00 mL…

A: Interpretation: A piece of metal weighting 5.10 g at a temperature of 48.6°C was placed in a…

Q: How many KJ of energy are released when 6.39 g of Fe reacts with 30→2Fe₂O₂; excess O₂? Given the…

A: Given weight of Fe= 6.39g                      4Fe + 3O2 → 2Fe2O3                 ∆H= -1625kJ Mass:…

Q: How many KJ of energy are released when 6.39 g of Fe reacts with excess O₂? Given the following…

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Q: A chemist measures the energy change AH during the following reaction: 2 Fe,03(s) → 4 FeO(5)+O,(g)…

A: The given mass of Fe2O3 is 11.7 g. The given reaction is, 2Fe2O3s→4FeOs+O2g         ∆H=560 kJ

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: On a brisk walk, a person burns about 334 Cal/h. If the brisk walk were done at 3.2 mi/h, how far…

A: According to the question, A person burns 334 cal in 1 hour and if that person wants to burn 1 lb…

Q: For the reaction N₂(g) + O₂(g) needed to generate 40 moles of NO? → 2NO(g), AH° = 180.5 kJ, how much…

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Q: 4. A 50.0 gram piece of hot iron (specific heat = 0.451 J/g °C) was placed in a beaker of 600. grams…

A: The question is about calculating the Original Temperature of the hot iron piece using the given…

Q: 2Mg(s) + O2(g) - - 2MgO(s) AH°, = -1203.4 kJ rxn How much energy is transferred when 36.4 g of…

A: Given :- 2Mg(s) + O2(g) → 2MgO(s)  ∆H°rxn = -1203.4 kJ  To calculate :- amount of energy transferred…

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: If 246,000 J of energy are required to raise 10 kg of sodium from 15°C to 35°C, what is the specific…

A: Given :-  q = 246000 J  Mass of sodium (m) = 10 kg  Initial temperature = 15°C  Final temperature =…

Q: Silane, Si burns according to the equation  Si + → Si + 2O Δ= -1429 kJ. How much energy is released…

A: Note: the correct equation for the burning of Silane is, SiH4 + 2O2 → SiO2 + 2H2O ΔH° = -1429 kJ…

Q: How much energy is required to raise the temperature of 11.6 g of copper from 20°C to 1470°C?

A: The specific heat of copper = 0.386 J/g. ◦C

Q: The combustion of propane is given by the following reaction. C3H3 + 3 02→3 CO2 + 4 H20 mol- How…

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Q: Question attached

A: Enthalpy of the reaction is the amount of heat released when 1 mole of the substance is reacted.

Q: How much energy does an aluminum (M = 27.0) sample gain if its molar heat capacity is 24.2 J/mol•K,…

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Q: 7.312 g of dry ice (solid carbon dioxide) is placed in a sealed 2.000 L bag in a room where the…

A: Moles of carbon dioxide used = Mass of dry iceMolar mass of CO2=7.312 g44 g/mol=0.166 mol

Q: Suppose that the total mass of the reactants in a chemical reaction was 100.00000 g. How many…

A: Given that : Total mass of reactant (mr) = 100.00000 g Total mass of product (mp) = 99.99900 g

Q: Suppose that the total mass of the reactants ina chemical reaction was 100.00000 g. How many…

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Q: The combustion of hexane is given by the following reaction. 2 C6H14 + 19 O2  12 CO2 + 14 H2O The…

A: Combustion :- When a substance is burnt in excess of air or in oxygen then the process is called…

Q: Suppose that the total mass of the reactants in a chemical reaction was 100.00000 g. How many…

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Q: (b) A student heats up some soup in a pot on a stove. If the student did o.25 kJ of work on the soup…

A: Work done (W) by the system is ‘-’ and work done (W) on the system is‘+’. Heat absorbed (q) by the…

Q: How much energy is required to raise the temperature of 11.1 grams of solid gold from 24.3 °C to…

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: What is the Kinetic Energy of a 100 kg object that is moving with a speed of 12.5 m/s?

A: Mass of object = 100 kg  Speed = 12.5 m/s

Q: The value of ΔH0for the reaction: 2Ba(s) + O2(g)→ 2BaO(s) is -1107 kJ. What is the amount of energy…

A: When two moles of solid Barium reacts with one mole of oxygen the amount of energy released is 1107…

Q: Water that contains deuterium rather than ordinary hydrogen is called heavy water. The specific heat…

A: Given,specific heat of heavy water at 25 deg. C. is 4.217J/g deg. CMass of water = 10gChange in…

Q: Copper has been used for thousands of years, either as a pure metal or in alloys. It is frequently…

A: Given:The balanced chemical equation:CuO(s)+CO(g)---->Cu(s)+CO2​(g)ΔH° f,CuO is = –155 kJ/molT =…

Q: If 226 kJ of heat increases the temperature of 47kg of copper by 12.5 °C, what is the molar heat…

A: The molar heat capacity of a substance is the amount of heat needed to increase the temperature by…

Q: The molar heat capacity of silver is 25.35 J/mol⋅∘C . How much energy would it take to raise the…

A: The molar heat capacity of silver is 25.35 J/mol⋅∘C. The amount of energy that it would take to…

Q: Which is the least expensive source of energy in kilojoules per dollar: a box of breakfast cereal…

A: Since it is given that 1.0 ounce = 130 Calories Therefore, 32 ounces of cereal in energy = 32×130…

Q: Silane, SiH4, burns according to the reaction, SiH4 + 2O2 → SiO2 + 2H2O, with ΔH° = –1429 kJ. How…

A: Mass of Silane (SiH4) is 28.086g/mol + 4 x 1.008 g/mol  So Mass of Silane = 32.094g

Q: Silane (SiH4) burns according to the reaction, SiH, + 2 0, → Sio, + 2 H,0 with AH° = - 1429 kJ. How…

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