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Interpretation:
The difference between physical quantity and a number has to be given.
Concept Introduction:
Physical quantity: It can be quantified that is it can be measured using numbers, for example physical quantities are mass, amount of substance, length, time, temperature,
Measurements: There are seven base unites in the
Number: It is arithmetical value, expressed by word, symbol or figure representing a particular quantity and used counting and making calculation.
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Chapter 1 Solutions
EP FUND.OF GENERAL,ORG...-MOD.MASTERING
- According to chemist John Dalton, if one mole of nitrogen is combined with three moles of hydrogen to form one mole of ammonia (knowing that nitrogen, with an atomic number of 7, has an atomic mass of 14, and hydrogen, with an atomic number of 1, has an atomic mass of 1), then this compound will have an atomic weight (or molecular mass) of: 14 grams per mole (14 daltons) 17 grams per mole (17 daltons) 20 grams per mole (20 daltons) 22 grams per mole (22 daltons) 43 grams per mole (43 daltons)arrow_forwardDefine matter.arrow_forwardWhy is the answer 30 AB/ab; 20 Ab/ab; 20 aB/ab; 30 ab/ab? How do I find that answer and is there a formula I am supposed to use?arrow_forward
- Principles Of Radiographic Imaging: An Art And A ...Health & NutritionISBN:9781337711067Author:Richard R. Carlton, Arlene M. Adler, Vesna BalacPublisher:Cengage Learning
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