Water is less dense at 0°C compared to 4°C. 2. Water provides structural support due to its inability to be compressed. 3. The charged ends of a water molecule allow it to surround a solute in solution. 4. The temperature of water rises slowly due to its high specific heat; requiring a lot of energy to convert liquid water to water vapor.
An example would be ½ O2/H2O, where H2O could serve as an electron donor and O2 could serve as an electron acceptor. Each half reaction is given a standard reduction potential (E’0) in volts or millivolts, which is a measurement of the tendency of the donor in the reaction to give up electrons. A substance with greater tendency to donate
Combustion. The flames caused as a result of a fuel undergoing combustion (burning) Air pollution abatement equipment provides combustion control for industrial processes. Combustion, or burning, [1] is a high-temperature exothermic redox chemical reaction between a fuel (the reductant) and an oxidant, usually atmospheric oxygen, that produces
Sep 21, 2022 · A: The oxygen atom shares one pair of valence electrons with each hydrogen atom. Each pair of shared electrons represents one covalent bond, so two covalent bonds hold the water molecule together. The diagram in the figure below shows an example of covalent bonds between two atoms of the same element, in this case two atoms of oxygen.
The NCERT Exemplar Solutions for Class 10 Science Chapter 1, Chemical Reactions and Equations, contain all types of questions, which include MCQs, fill in the blanks, match the following, etc. Chemical reactions are a very fundamental topic, which will help students in their future studies. Hence, they are advised to study this chapter thoroughly.
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h2o and o2 are examples of
