What are three observations that would indicate a chemical reaction has taken place? What is an example of an equilibrium reaction? What is an example of an exothermic reaction? What are the products in a chemical reaction? Explain this reaction. ...
Calculate S for the conversion of 1 mole of a liquid (H_2O) to vapour at 100^oC, given that the heat of vaporization of water is -2260.87J/g. What must be done to be certain that a chemical change has taken place? Does pressure change in an adiabatic process?
The high melting point of silicon means that at any temperature humans can survive, silicon is found in its solid form. On its own, silicon makes lustrous, blue-grey crystals, but its chemical properties—namely, its affinity for oxygen—mean it's seldom found in a chemically pure state. ...
Which of the following statements about enzyme-catalyzed reactions is true? a. Enzymes always drive reactions toward chemical equilibrium. b. The free-energy change of the reaction is greater than when the same reaction occurs in the absen...
Chemical absorption— A chemical reaction takes place when the atoms or molecules are absorbed. An example is when hydrogen sulphide is removed from biogas streams and converted into solid sulphur. Desorption Desorption is the release of one substance from another, ei...
A professional massage takes place on a professional massage table. During the massage, the therapist always respects the client’s privacy. This means that the customer’s intimate area is always covered. Only the areas of the body that are currently being treated are revealed. The massage grip...
The rate of a chemical reaction refers to the speed with which reactants are converted to products, the substances formed from the reaction. Collision theory explains that chemical reactions occur at different rates by proposing that in order for a react
If they take place at temperatures lower than the dew point, condensation will occur, and water vapor will leave the gas. Other chemical reactions take place in the presence of water vapor, resulting in new chemicals forming, such as rust on iron or steel. Learn more about humidity in ...
The chemical reaction: A + B + C equilibrium X + Y + Z can be represented by the following equation: K_{eq} = frac{[X][Y][Z]}{[A][B][C]} What would happen if you add more X? A. Nothing, the reaction will stay at equilibrium B. The rate of the reverse rea ...
(b) Write the reaction that takes place when a small amount of OH- is introduced to this buffer solution. (c) Write the reactio How does buffer neutralizes added base? A buffer contains significant amounts of acetic acid and sodium acetate. 1.Write an equation showing how ...