What three elements are required to start and sustain a fire?

Q: What is the formula for water vapor

A: Water can be in three possible stetes in the free environment i.e. solid, liquid and gas. Water…

Q: What forms of mercury are most toxic to organisms?

A: Mercury is a toxic element present naturally and it is an introduced contaminant in the environment.…

Q: What is the difference between solids, liquids, and gases?

A: The distinct forms in which the matter exists are known as states of matter. The three most…

Q: Why oil gets hot faster than the water?

A: Lipids are macromolecules that help in the structure and function of the living body. They are not…

Q: How many atoms do we have?

A: There are number of factors that determine the trace of atoms in an human being ,such as…

Q: What is the isoelectric point of AA? [Select]

A: Isoelectric point (pI) of amino acid: Isoelectric point is the pH at which amino acid shows no…

Q: What is the mass number of hydrogen? Of helium?

A: The total number of protons and neutrons in an atomic nucleus is called the mass number.

Q: What are Starling Forces?

A: STARLING (1894, 1896) described the basic forces responsible for producing fluid shifts between the…

Q: What are the Basic Principles of Electricity?

A: electricity is the flow of electrons.

Q: What reactants are required to generate DHAP?

A: Glycolysis is a cytoplasmic pathway that breaks down glucose into two three-carbon compounds and…

Q: How many kilocalories are needed to vaporize 5.8 mol of Br2?

A: Bromine is a dark reddish-brown fuming liquid with a pungent odor. Denser than water and soluble in…

Q: Why is carbon monoxide (CO) so dangerous?

A: Carbon monoxide is a colourless, odourless, tasteless, poisonous gas. It is a flammable gas. It is…

Q: Explain the boiling point of a compound ?

A: The melting point is the temperature when a solid substance is starting to convert into liquid. The…

Q: How many moles of chlorine gas at 120. °C and 33.3 atm would occupy a vessel of 39.0 L?

A: The ideal gas law is the equation of state of a hypothetical ideal gas. It is a good approximation…

Q: What happens when ionizing radiation strikes an atom in a chemical compound?

A: Ionising radiation is radiation, travelling as a particle or electromagnetic wave, that carries…

Q: What is the difference between an a particle and a helium atom?

A: Alpha particles - Alpha particles consist of two protons and to neutrons bound together into a…

Q: What are elements made of

A: Elements are atomic particles and elements are the smallest known particles except for subatomic…

Q: What is 10% law?

A: 10% energy transfer law in the food chain is put forth by Lindeman. A pyramid of energy depicts the…

Q: Which do you think has a higher boiling point, pentane or neopentane (2,2-dimethylpropane)? Why?

A: The boiling point is the temperature at which the pressure of the liquid changes to the state of the…

Q: Would it be possible to skate on “dry ice,” that is, solid CO2?

A: Dry ice is the solid form of carbon dioxide and is used primarily as a cooling agent, but is also…

Q: Why oil gets hot faster than water?

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

Q: Which element is likely to lose an electron more easily, Mg or S?

A: Valency of an element is the combining power or combining capacity of the element  with other atoms…

Q: What is the atomic number, atomic mass, and isotopes?

A: An element, a type of matter, indicates a pure substance that has unique chemical and physical…

Q: Write a balanced equation for the combustion of isooctane to yield CO2 and H2O.

A: A chemical equation in which the number of each type of atoms is equal on the two sides of the…

Q: What are weak electrostatic bonds that result in a partial sharing of hydrogen atoms between…

A: A hydrogen bond is an electrostatic attraction between a proton in one molecule and an…

Q: What cells in the body produce hydrogen peroxide?

A: Hydrogen peroxide is a natural chemical which is toxic but still produced by body cells.

Q: What is the vapor pressure of a liquid?

A: As the liquid is heated at a particular (T) temperature, the molecules of water attains kinetic…

Q: What are P elements?

A: Transposons are the jumping genes Or mobile genetic elements. It is a sequence of DNA…

Q: What is not valid for aerosols?

A: Aerosols are basically a suspension that is composed of fine solid particles or liquid droplets in…

Q: What ions turns litmus red? What ions turns litmus blue?

A: Litmus is defined as a combination of different dyes that are water soluble and are extracted from…

Q: Is the Oxygen atom chemically active or inert?

A: Oxygen is the most abundant element in the Earth’s crust and it is represented by the letter O. It…

Q: how does the chemical reaction of ethanol burning relate to the matter and chemical changes that…

A: Ethanol is an alcohol that can be produced in the body by the process of fermentation. The process…

Q: What is the effect of pressure on a liquid’s boiling point?

A: The boiling point is considered as the temperature at which the vapor pressure of the liquid becomes…

Q: What are Irreversible Reactions?

A: Cells, the most fundamental and vital unit of life, are found in all living things. A cell is in…

Q: what is the chemical formula for cooking oil?

A: Cooking oil consists of a mixture of the different types of the fatty acids added to cook and give…

Q: Write the nuclear equation for the positron decay of C-11.

A: C-11 is a radioisotope of carbon. C-11 is an unstable atom that disintegrates by emitting radiation.…

Q: What is substance P?

A: Amino acids are biomolecules that are comprised of two functional groups, these are an amino group…

Q: Explain Ionic Forms of Elements Most Frequently Encountered in the Body?

A: Although inorganic substances (minerals) are also essential for a healthy body, organic molecules…

Q: How many kilojoules are released by the combustion of 17.0 g of C8H18?

A: Carbon is the key element fount in all organic molecules. carbon have 4 valency. Based on the carbon…

Q: What are the main biological functions in which chlorine ions participate?

A: The chloride ion is an anion. It is a negatively charged ion and forms by the gaining of an electron…