4. How did carbon move through the system before combustion of fossil fuels?

Q: About how many percent of the original carbon in a plant matter becomes coal?

A: Coal is solid ,black readily combustable Solid.Millions of year is taken to form coal. Two process…

Q: Write and balance the equation for the complete combustion of heptane, C7H16 Phase symbols, and…

A:

Q: One of the best-selling light, or low-calorie, beers is 4.2% alcohol by volume and a 12-oz serving…

A: Combustion of ethanol in presence of oxygen produces carbon dioxide and water.

Q: 6H2O (l) + 6CO2 (g) → C6H12O6 (s) + 6O2 (g) ΔH = +2803 kJ/mol  Calculate the amount of sunlight…

A:

Q: Heating food in the microwave oven is mainly due to the vibration of the molecules of a. fats B.…

A: Given: Heating food in the microwave oven is mainly due to the vibration of the molecules.

Q: Define a process called refining of petroleum?

A: Refining of Petroleum:

Q: What evidence of chemical change is visible when electricity passes through water ? How are the…

A: Electrolysis of water:Water can also undergo a chemical change. Water molecules can be broken down…

Q: What do you mean by exchange energy?

A: ANSWER IS DISCUSSED BELOW :

Q: 1. Enumerate the classification of fires. Briefly discuss each.

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: What are oxygenated fuels?

A: The definition of oxygenated fuels has to be given,

Q: 5. How many grams of oxygen are needed to react with excess methane in the following reaction, in…

A:

Q: (a) What is meant by the term fuel value? (b) Which is a greatersource of energy as food, 5 g of fat…

A: A) Fuel value is defined as amount of energy releasing during burning of 1 g of fuel. For example on…

Q: The complete combustion of 1.5 moles of methane (CH4) would require how much O2?

A: Balanced equation is, CH4 + 2O2 → CO2 + 2H2O

Q: The heat of combustion of methane is 212.8 kcal per mole. How much heat will be produced in the…

A:

Q: Which fuel is not a fossil fuel?a) coal b) hydrogenc) natural gas d) petroleum

A: According to the law of conservation of energy, the energy can be converted from one form to another…

Q: Chapter 4 1.3.61 g of cyclobutene (C,Hg) is combusted inside of a bomb calorimeter. The temperature…

A:

Q: A 70.4-L sample of a gaseous hydrocarbon, measured at 1.00 atm pressure and 25.0°C, is burned in…

A:

Q: (Q2) (a) What is the air-to-fuel ratio of a diesel engine? Explain with diagram what do you…

A: In thermal engines fuel and oxygen (from air) is used for the production of energy by combustion.…

Q: Define combustion of gasoline ?

A: SOLUTION: Step 1: The process of burning or heating the substance in the presence of oxygen is known…

Q: What do you mean by Enthalpy and Entropy ?

A: Enthalpy for the reaction is the energy, generally in the form of heat, which is required in case of…

Q: Consider the simple model of the burning of butane as the oxidation of the carbon content and the…

A: According to Hess's law of thermodynamics,  Heat required or evolved during a perticular process is…

Q: Write the two balanced chemical reactions for: a. Copper (II) oxide reacting with methane under high…

A: Given,  a). Copper (II) oxide reacting with methane under high heat b). Copper (I) oxide reacting…

Q: The heat of combustion of 2-methylheptane, C8H18, is 5464 kJ/mol. How much energy is released during…

A:

Q: Explain the working of activated carbon systems?

A: The working of activated carbon systems has to be explained,

Q: 5. How would you use information that we have learned over the last two lessons to revise our…

A: The engine works on a closed thermodynamic cycle. The piston makes four strokes. The first stroke is…

Q: Explain the cooling effect experienced when etha- nol is rubbed on your skin, given that 6.97…

A: When ethanol is rubbed on skin, cooling experience is observed. ∆H° for the conversion of liquid…

Q: Explain why incomplete combustion of methane cause death

A: When a hydrocarbon reacts with oxygen then, it will form carbon dioxide and water and liberate huge…

Q: What are the important features of an energy diagram?

A: An energy diagram is a diagram showing the change in the energy during any chemical reactions.

Q: a. List five fuels. Name at least two properties that these fuels share. b. Of the fuels you listed,…

A: Given Three questions about listing the five fuels, naming two of their properties, differentiating…

Q: Where does the energy come from to evaporate the estimated 425,000 km3 of water that annually leaves…

A:

Q: Given H2 (g) + ½ O2(g) H2O(1) CO2(g) → CH4(g) AH = -293 kJ/mol С ($) + O2(g) AH = -392 kJ/mol %3D C…

A:

Q: Our bodies need a certain amount of energetic to function. Most of the Engel comes from out good.…

A: Energy majorly stored in body in form of fat. It can be monosaturated, saturated or polysaturated.

Q: Consider the combustion of compressed methane, and liquid hydrogen. Which one will release more…

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

Q: Maine during its cold winter months differs from the fuel used in Arizona during hot summer months.…

A: Ans. Different grades of motor gasoline, the formulation of gasoline may differ depending on the…

Q: In what parts of the U.S. is geothermal energy prominent?

A: Geothermal energy is a type of renewable energy taken from the Earth's core. It comes from heat…

Q: 4. If the heat of formation of carbon dioxide is -393 kJ/mol, then the heat of reaction for the…

A: Heat of the formation is the amount of heat realesed when 1 mol of a substance is formed from it's…

Q: The complete combustion of propane gas can be represented as a. C3H8 + 7 O2 + CO2 -> 4 CO2 + 4 H20…

A: answer- The burning of propane gas can be represented as a balanced chemical reaction as follows:…

Q: What is global warming? How does the burning of fossil fuels contribute to global warming? Explain…

A: Green house effect The natural process of warming of earth surface is called green house effect.

Q: Cyclohexene, C6H10 undergoes hydrogenation to produce cyclohexane, C6H12 according to the equation…

A:

Q: The lower the change in free enthalpy associated with a reaction, the slower this reaction is. True…

A: Change in free energy is associated with spontaneity. The spontaneity of the reaction doesn't define…

Q: Given the thermochemical equation for photosynthesis, 6H2O(l) + 6CO2(g) → C6H12O6(s) + 6CO2(g)  ∆H…

A: Given: The balanced equation for photosynthesis reaction is as follows, 6H2O(l) + 6CO2(g) →…

Q: The heat of combustion of methane is -50.38 kJ/mol. How many moles of methane must be burned to…

A:

Q: 9. Fuels used in automobiles release different amounts of energy when burned. Explain some tradeoffs…

A: Different fuels are used in automobiles and they release different energy on burning. What are the…

Q: Why is it difficult to implement renewable energy and how to implement it?

A: Renewable energy is energy that is collected from renewable resources that are naturally replenished…

Q: (a) What is meant by the term fuel value? (b) Which is a greatersource of energy as food, 5 g of fat…

A: A) Fuel value is defined as amount of energy releasing during burning of 1 g of fuel. For example on…

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.