It requires 1200 kg of coal to produce the energy needed to make 1.0 kg of aluminum metal. If a single soda can requires approximately 15 gallon of Aluminum, what mass of coal would be needed to produce a six-pack of cans?

Q: Although there are energetically advantages in recycling aluminum Discuss the belief that secondary…

A: Answer is given below

Q: How many grams of oxygen must combust to produce 20 kJ of energy?

A: The combustion reaction is,

Q: What are the renewable sources of energy that can be utilized to generate electricity?

A: Renewable sources of energy are those energy sources which can be regenerated again and again. These…

Q: What are the benefits of the process of Gas reburning ?

A: ANSWERE IS GIVEN BELOW :

Q: An Olympic gold medal must contain a minimum of 6 grams of gold (MW = 196.97 g/mol) and has at least…

A: Given : Current supply = 50 A Gold amount to be deposited per medal= 6 g Total amount of Au= 340 x6…

Q: Benefits

A: Nano Medicine is defined as the field of medicine that aims to use the properties and physical…

Q: Define a process called refining of petroleum?

A: Refining of Petroleum:

Q: Calculate the total amount of thermal energy released when 6 m3 of naturalgas from Louisiana is…

A: Thermal energy is released in the form of heat from combustion reactions like this one. The…

Q: This refers to power supplied from natural resources. * O Green Technology O Green Energy…

A: Green technology is the man made technology that effects the environment very less amount.  Green…

Q: Which of the following is not a heating Equipment? а. Electric Furnace O b. Desiccator С. Burners O…

A: A question based on tools in analytical chemistry that is to be accomplished.

Q: what are some drawbacks to hydroelectric power?

A:

Q: Although coal is an important fuel for producing electricity, it also has drawbacks. Name three of…

A: Coal is one of the widely used sources for the production of electricity and it meets the…

Q: Compare and contrast electrolytic materials and metallic materials, and explain how each relates to…

A: Given: We have to describe the difference between electrolytic and metallic material.

Q: garbarge disposal chops waste food into tiny peices that move easily through sewage pipes. A…

A: Choping into tiny pieces is kind of mechanical work.

Q: What type energy is an battery? O a Thermal Energy Chemical Energy Potential Energy Electric Energy

A: Battery is a device which can convert chemical energy to electrical energy.

Q: Finely divided, partially decomposed organic matter founc in soils is called Select one: a.…

A: Finely divided partially decomposed organic matter found in solid is called as,

Q: Discuss the consequences of using fossil fuels as anenergy source.

A: Fossil fuels are the fuels that are formed from the dead plants and animals. Fossil fuels are…

Q: Define fire

A: Fire is used for numerous purposes all over the world. It is very useful to humankind but it is also…

Q: Which of the following is not a fossil fuel? O a. Uranium O b. Petroleum O C. Petrol O d. Coal O e.…

A: Fuel  A fuel is any material that can be made to react with other substances so that it releases…

Q: You should have noticed that the Styrofoam ball rolled slightly towards the rod and then appeared to…

A: Rubbing the plastic rod, the rod will get an electrical charge. Which means there is a build up of…

Q: Is hydrogen actually a resource? What makes it a good fuel? What are the important drawbacks? How is…

A: The explanation is given below-

Q: Would you agree to buy 1.23 x 1021 gold atoms for $17? Explain why or why not, showing all work. The…

A:

Q: The Rebirth of Electric Cars Page 47 1. Why are gasoline powered automobiles so popular for most of…

A: Electric cars are operated by battery while gasoline powered cars are operated by fuels.

Q: Pretzels contain (109 Cal/28.3 g).  How many minutes will I need to walk in order to burn off 56 g…

A: First convert calories into gm Then use unitary method to get the answer

Q: The solar radiation after reaching earth surface gets absorbed and a part of it reflects back to the…

A: The solar radiation after reaching earth gets absorbed and part of it reflects back to atmosphere is…

Q: What must be done to improve the health and safety (environment) of coal miners and those who use…

A: Explanation:     Improve Coal:.         Coal is a very valuable source not only for thermal energy…

Q: The major source energy for current civilization is

A: To find: The major source energy for current civilization

Q: What is the main disadvantage of solar thermal power plants?

A: The solar energy is a renewable nature resource. Therefore it is one of the most useful and…

Q: formation?

A:

Q: Recycling aluminum consumes 95% less energy than refining the ore. Consider a material that requires…

A: Energy used in Refining 1kg of aluminium = 17kWh Energy used in Recycling 1kg of aluminium = 17kWh-…

Q: Would you agree to buy 1.23 x 1023 silver atoms for $10? Explain why or why not, showing all work.…

A: First of all we calculate the gram of silver for given number of atoms of silver. Then we will…

Q: You can get a "water clock", which works by simply adding water to it. How must it work?   a. The…

A: a. The energy does not come from water. Water's energy is too low to run a device. Hence, this…

Q: Which of the following factors affects the speed at which a candle burns? a) air temperature b) type…

A: Speed of candle depends upon type of candle.

Q: When tin comes into contact with oxygen in the air, tin (IV) oxide, SnO2 is formed. Sn (s) + O2 (g)…

A:

Q: Nuclear Materials Explain how zirconium metal is extracted and processed to be suitable for use in…

A: Zirconium is used in nuclear fuel cladding because it absorbs few neutrons produced in fission and…

Q: Welding utilizes a variety of fuels. Two such fuels identified for comparison are acetylene (ethyne…

A: Answer: Amount of energy released during the combustion of 1g of fuel is called as its calorific…

Q: 3 Calculate the amount of heat released per gram of aluminum : QA! Al mass of

A: #3: In this experiment, the temperature of Al metal is decreasing and that of water is increasing.…

Q: What are the environmental implications of nanotechnology?

A:

Q: Calculate how much energy would be needed for 64.8 g titanium at 19.4 oC to reach 582 degrees…

A: The Heat energy can be calculate as: ∆Q = m × C × ∆T Specific heat of titanium = 521 J/kg K ∆T = 855…

Q: company’s energy cost

A: We know that 1 HP=746 watt

Q: The rate of solar energy striking Earth averages 168 watts per square meter. The rate of energy…

A: The rate of solar energy striking Earth averages 168 watts per square meter. The rate of energy…

Q: What is the time required to produce Select one: a. 3.10 hours b. 2.29 hours c. 1.10 hours d. 4.86…

A:

Q: Which renewable resource is destructive to ecosystems? O hydroelectric O solar O tides O wind

A: Renewable resources :-  The natural resources like solar energy , tides , wind energy ,…

Q: 52. It would be very useful if we could use the inexpensive carbon in coal to make more complex…

A: The equation between standard gibbs free energy , standard enthalpy and standard entropy…

Q: in ancient times iron was heated with leather. Why?

A: In ancient times, fire heated method is used. It leaves an identifying mark by pressing a heated…

Q: <p>List the properties of copper that make it appropriate for electric wires and the…

A: Copper is widely used in our daily lives for making electric wires and water pipes.This is because…