difference - a disagreement or argument about something critical; "he had a dispute with his wife"; "there have been irreconcilable differences"; "the acquainted conflict between Republicans and Democrats" A single calorie is the amount of Electrical power required to increase the temperature of one gram of h2o by 1 https://thermal-shock-vs-thermal79123.life3dblog.com/34993524/compact-temperature-test-chambers-fundamentals-explained