3.2 Percentage Composition
Percentage Composition: The relative amounts of each element in a compound, expressed as a percentage by mass. In simple words: Percentage composition…
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Percentage Composition: The relative amounts of each element in a compound, expressed as a percentage by mass. In simple words: Percentage composition…
Cells Associated with Bone: There are three types of cells associated with bone (derived from osteogenic cells): 1. Osteoblasts — bone forming cells 2.…
Science Science is the systematic process of constructing and organizing knowledge about the universe. Thus, science seeks to understand the natural…
Elemental nitrogen in air is diatomic N₂. It makes up about 78% of dry air by volume and contains a strong covalent triple bond (N≡N). That bonding makes…
Rate of a Chemical Reaction: The rate of a chemical reaction tells us how quickly the reactants are used up or how quickly the products are formed over…
Biostatistics is the application of statistical methods and principles to analyse and interpret the findings of biological, medical and health sciences.…
For 3 equations, 3 unknowns, det A != 0: unique solution. Inverse method: x = A-1 b. Cramer's rule: xi = det Ai / det A, where A_i replaces column i by b.…
A table or, preferably, a purpose-built query supplies fields, filters, calculations, and ordering.
Polynomial times exponential or trigonometric factors may require the rule more than once.
Microscopy is the technique used to view objects that cannot be seen by the naked eye. In simple words: Microscopy is the use of microscopes to see…
Halide Compound: A compound containing halogen ions such as chloride (Cl-), bromide (Br-), or iodide (I-). In simple words: A halide…
To convert from any base to decimal, we expand the number using positional weights (powers of the base) and add the results. To convert from decimal to…
Chain: grass -> grasshopper -> frog -> snake -> hawk (example). Arrow means 'eaten by' / energy to. Trophic levels: producer, primary consumer (herbivore),…
NMR uses magnetic properties of certain nuclei (e.g. 1H). Spinning charged nuclei act as tiny magnets. In an external field they align in quantised…
Digestion in the small intestine refers to the breakdown of starch, proteins, and fats into small soluble molecules by enzymes present in bile, pancreatic…
Defecation: Defecation (also spelled defaecation) is the term for the act of expelling feces from the digestive tract via the anus. It is a reflex action…
Monomial: one term. Binomial: two. Trinomial: three. Degree of 12 x y^6 z^6 is 1+6+6=13. Negative exponents are not polynomial.
Mitosis is a type of cell division that produces two genetically identical daughter cells, each with the same number of chromosomes as the parent cell. It is…
sqrt(x): domain x>=0, range y>=0. 1x: undefined at 0, axes are asymptotes, hyperbola. Exponential 2^x (and e^x, (13)^x): variable in the exponent. These are…
Structural Formula: A structural formula shows how different atoms are joined up or arranged in a molecule or compound. Displayed Formula: A displayed…
Each is perp to the diameter. Two lines perp to the same line are parallel, so those tangents are parallel.
States of Matter are the distinct forms that different phases of matter take on. The three fundamental states are: 1. Solid: A state in which matter…
Differentiate the proposed function and substitute into the original equation and conditions.
Cloud Computing: Cloud Computing refers to delivery of computing services over the Internet by cloud computing vendors. These services include servers,…