Describe the special nature of carbon.

Q: Calculate the mass equivalent of the energy released by the complete combustion of 2 mol of methane…

A: Given, Number of moles of Methane = 2 mole  Energy released for the combustion of methane = 1780 KJ…

Q: Lis) + % F21g) → LiFs) -594.1 kJ/mol (réaction globale) l'énergie de cohésion du réseau ionique ???…

A: The Born-Haber cycle for LiF is as follows:

Q: How is electricity generated in a photovoltaic system?

A: Interpretation: How is electricity generated in a photovoltaic system is to be determined.

Q: What happened during the Cambrian explosion? Dinosaurs went extinct. Many animals first appeared.…

A: Cambrian period refers to the initial geological period of the Palaeozoic Era as well as Phanerozoic…

Q: Explain how carbon-12, carbon-14 , and nitrogen-14 would be different at an atomic level.

A: Atoms are differed by no. Of protons and neutrons.  Atomic no. Is the no. Of protons And mass no. Is…

Q: Where do free radicals come from? What harm do they do?How is the body protected from free radicals?

A: Free radicals are produced in three main ways: - 1. Metabolic reactions: - The normal chemical…

Q: A piece of cobalt originally at 90.6°C was placed into a coffee cup calorimeter containing 200.0…

A:

Q: Sodium-22 undergoes electron capture determine the product

A: Electron capture: In this the daughter nucleus produced has one less the atomic number and the mass…

Q: Describe how the potential energy of uranium is converted into electrical energy in a nuclear power…

A: The heat produced from the nuclear fission reaction is carried by nuclear reactor coolant and send…

Q: Key Use the periodic table from an alternative universe below to answer the questions Symbol A…

A: 2 DAd + 1 FAb ---> 1 D2Ab + 1 FAd2 Number of moles of FAd2 produced by DAd  = 40 mole DAd × ( 1…

Q: Answer all questions 1. It has been announced on radio that a toxic gas is spreading towards UENR…

A: The solution is given below -

Q: In group 16 , why oxygen shows abnormal behaviour ?

A: The elements in a modern periodic table are arranged in an increasing order of their atomic number.…

Q: How does the energy transport in the Earth accomplished? Explain the three major mechanisms.

A: Energy is transmitted between the surface and the atmosphere, through radiation, conduction and…

Q: fusion reactions:

A:

Q: How (carbon - 11) prepared?

A:

Q: Write the balanced nuclear equation for the synthesis of darmstadtium.

A: The balanced nuclear equation for the synthesis of darmstadtium is to be written. In the balanced…

Q: Calculate the mass equivalent of the energy released by the complete combustion of 5 mol of methane…

A: Introduction :  Mass equivalent energy can be defined as the mass which is the form of energy that…

Q: RA 6969 encompasses nuclear wastes Physical hazard may cause harm without touching

A: Answer : option a Statement 1 :Republic Act 6969 of the Philippines is likewise recognised as "Toxic…

Q: What is the final mass of the aluminum electrode?  what is the final mass of the silver electrode?

A: Note:- Whatever solution I m providing is correct but your answer option was not matched.

Q: 5. Calculate the mass of CO2 evolved in the complete decomposition of a 2.943-g sample. containing…

A: Metal carbonate salt upon dissociation gives carbon dioxide and metal oxide. Write down the…

Q: Chemically active surfaces are seen on alumina-containing zeolites. Interpret this statement.

A: Answer -

Q: Pu-241 undergoes electron capture

A: The electron capture is shown below-

Q: In the Styrofoam ball investigation, when the plastic rod is rubbed on the cat's fur, it is…

A: When plastic rod is rubbed against cats fur, the fur acquire positive charges and due to this the…

Q: where did the 14 come from?

A:

Q: What substance is used in both nuclear power plants and conventionally fueled generators? O water O…

A: electric generator is a device which is used to convert mechanical energy into electrical energy.

Q: What is the classification of ( Carbon -11

A:

Q: If ötzi were indeed a recent corpse, made to look old by the harsh weather conditions found on the…

A: A radioactive substance can be defined as the substance that decays naturally and releases alpha…

Q: Fe2+ + H₂0 > Fe + 0₂ belmed the following radox reseting

A: Given equation Fe2+   +   H2O     →    Fe    +  O2Oxidation Half reactionH2O   →   O2Reduction Half…

Q: 1. If you turn on the burner on a gas stove under a pan of cold water, energy moves from the burner…

A: This mode of transfer of energy is called conduction because there is direct supply of heat between…

Q: What are the uses of ( Carbon -11 )?

A:

Q: __________ is used to radiometrically date items older than 50,000 years.     Carbon     Thorium…

A: The Radiometric dating it is a technique which is used to date material such as Rock or Carbon .…

Q: Physical properties of ( Carbon-11

A:

Q: 11. How could we find whether there are substances that could support life on other planets?

A: The detailed solution of your question given below-- Since, we are mostly live in earth and know…

Q: Explain how carbon-12, carbon-14 , and nitrogen-14 would be different at an atomic level. B

A: In the given question we have to differentiate the different atom and it's isotope. In the carbon-12…

Q: Which hydrogen isotope is radioactive?

A: Three isotopes of hydrogen are Protium(H11); deuterium(H12) and tritium(H13) Here tritium is radio…

Q: Without a moderator in a nuclear reactor..

A: A nuclear reactor is an arrangement in which release of nuclear energy through a self-propagating…

Q: 1. The carbon from the heartwood of a giant sequoia tree gives 11 counts per minute per gram carbon…

A: The Initially or fresh is 15counts per min per g and at time t , it's 11counts per min per . With…

Q: What’s classification of Carbon-11 ?

A: Concept is based on isotopes of carbon

Q: Preparation of ( Carbon- 11) ?

A: We can generate 11C in nuclear reactions as follows.

Q: half-life

A:

Q: 4. Complete the following equations. ?

A:

Q: A nuclear power plant uses plutonium-239 to convert water to steam. The steam drives a turbine which…

A: Given energy forms,    A) electrical energy    B) chemical energy    C) heat energy    D) mechanical…

Q: 1. Why is C.H.O.N considered the essential elements of life?

A: C,H,O,N  Carbon, hydrogen, oxygen and nitrogen are structural components of living forms on earth.…

Q: Calculate the mass equivalent of the energy released by the complete combustion of 4 mol of methane…

A:

Q: what does it mean for fossils to have 10% carbon 14 ?

A:

Q: What can be a solution for Black Lives Matter?

A: Given Can be a solution for Black Lives Matter

Q: Which of these is a synthetic element? molybdenum (42) plutonium (94)     arsenic (33) silver (47)

A: Synthetic element: It is such an element which is not occurring naturally in nature but it is…