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q briefly explain acid-base titration ansa valuable laboratory technique used by chemists is called an acid-base titrationa titration is a process in
what is the senses explain their vision vision the human eye consists of structures which evolved together to focus light on a sensitive area
explain the working of senses touch hearing equilibrium the senses are detected by sense organs collections of receptor cells or cells closely
q show equilibrium expression for wateransthe equilibrium expression for water is equal to a constant kw this constant is called the ion product of
explain the peripheral nervous system in detailthe peripheral nervous system is divided into the somatic nervous system and the autonomic nervous
explain the functionality of central nervous system the central nervous system is the center of the nervous system receiving impulses from and
q determine equilibrium constants for acid and baseansthe ph scale of acidity is a simple and convenient way to state the acidity of a
how did the american theory of government differ from the british ideaa preamble is an introduction to an official document which spells out its
what is nerve impulses in human biologya nerve impulse is an electrical signal carried by a nerve cell unlike electrical transmission in wires this
q define conjugate acid-base pair and bufferbuffers are substances that resist changes in ph to balance ph means to bufferweak acids and bases make
explain the nerve cell structure and functionbefore studying the organization of the nervous system we will look at the relationship between
who was the main author of the constitution fifty-five delegates met in philadelphia in 1787 to revise the articles of confederation many of the
why were some american leaders alarmed by shays rebelliondespite politicians efforts to preserve order on the frontier there was ample disorder as
how did the united states attempt to ensure an orderly process of westward expansionthe us government did achieve some important successes under the
explain cardiac muscle or heart musclecardiac muscle or heart muscle is a striated muscle that occurs only in the vertebrate heart the heartbeat is
q illustrate strengths of acids and basesansacids and bases can be classified as strong or weak if an acid or base is strong it ionizes
q what are the characteristics of basesanscommon bases are borax baking soda and antacids these are some characteristics of basesthey taste
what is smooth musclesmooth muscle provides the contractile force for movement in internal organs under control of the involuntary or autonomic
q show the ionization of acids in wateranslike ionic compounds acids are electrolytes when dissolved in water acids break down into
write a short note on muscular systemthe muscular system provides mobility and support to the body there are three types of muscle tissue skeletal
vinegar orange juice and battery fluid are familiar acids different acids have different acid strengthssome characteristics of acids arethey taste
what is joints joints are locations where two or more bones come together or articulate bones are joined with varying degrees of rigidity joints may
the chemical formula for pure water is h2o pure water breaks up into an equal number of haq and oh-aq ions as the amounts of the h and oh- ions are
what were some of the weaknesses of the articles of confederationafter declaring its independence from england in 1776 the new united states was
what is cartilage explain brieflysome bones such as the bones in the skull develop directly from membranous connective tissue but in human fetal