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

Q: When sodium chloride forms, which element - sodium or chlorine - is oxidized? Which one

A: Elements are the purest form of matter.

Q: Acute phase reactants, for example, increase the ESR in what way

A: The acute phase reactants are considered inflammation markers as the acute phase plasma protein…

Q: At high concentration which oxides are poisonous?

A: The major contributors of the air pollution are nitrogen oxides. They have role in the formation of…

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: Assume that the mixture of substances in drawing (a) undergoes a reaction. Which of the drawings…

A: The law of conservation of mass states the mass in an isolated system is neither created nor…

Q: What is a mixture?

A: A mixture is a combination of some percentage of two or more components. This is distinct from a…

Q: How many kilojoules are released by freezing 2.5 mol of H2O?

A: Enthalpy of freezing (∆Hfree) is used to calculate energy needed to release when liquid becomes…

Q: This bombardier beetle is spraying a boiling hot liquid thatcontains irritating chemicals, used as a…

A: The bombardier beetle sprays benzoquinone which in turn is an irritating chemical in its defense.…

Q: Which are the two forces that make up the electrochemical?

A: The active transport of ions across the cell membrane causes an electrical gradient to build across…

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: What are the two constituents of heme?

A: Hemoglobin is the protein present in the red blood cells which are responsible for carrying oxygen…

Q: Some dried beans with a 14C/12C ratio one-eighth of the current value are found in an old cave. How…

A: The primary way for the age determination of an old sample is carbon dating. The carbon-14 is…

Q: Assume that the mixture of substances in drawing (a) undergoes a reaction. Which of the drawings…

A: The law of conservation of mass, also known as the theory of mass conservation in physics and…

Q: What are elements made of

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

Q: What are some risks associated with long term exposure to radiation

A: Exposure to very high levels of radiation, such as being close to an atomic blast, can cause acute…

Q: Which of the following compounds would you expect to have the highest boiling pointand which the…

A: The boiling point of a substance is the temperature at which liquid turns into vapour. The boiling…

Q: What is the difference between exothermic and exergonic reactions?

A: The chemical reactions are those reactions that deals with the conversion of reactants to the…

Q: What is the primary function of iron?

A: Introduction: Iron is considered as an important element required for the production of blood.…

Q: (i) Define the Ramachandran plot (simply). (ii) Explain with one example (simply). (iii) how to…

A: Ramachandran plot is given by GN Ramachandran in 1963. This lot is used for the assessment of the…

Q: What two factors affect the spontaneity of a reaction?

A: The two factors which effect the spontaneous of a reaction are  Enthalpy Change (∆H) Entropy Change…

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: How many atoms make up one carbon dioxide (CO2) molecule? How many different types of atoms are…

A: Biomolecules are the macromolecules required by biological cells for their survival growth, and…

Q: if we wanted to measure the energy released by an exothermic reaction (like combustion, acid/base…

A: Exothermic reactions proceed as soon as the components come into contact and give off energy/heat.…