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Exam (elaborations)

Chem v1/v2, AP V1/V2, HESI A2 Biology Complete Set Real Questions And Answers Latest Update

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Chem v1/v2, AP V1/V2, HESI A2 Biology Complete Set Real Questions And Answers Latest Update If a Hydrogen is in a compound, what would its oxidation number be? - ANSWER +1 What is the oxidation number of any simple ion? - ANSWER The same as charge of the ion How many kilograms are in a pound? - ANSWER 0.453592 kg What is the temperature for freezing point of water in Celsius? - ANSWER 0 degrees Celsius (32°F for Fahrenheit) What is the conversion of Celsius to Fahrenheit? - ANSWER 5F=9C+160 (remember 5F because you have 5 fingers on a hand and 9C because cats have 9 lives) What is the oxidation number of an element atom? - ANSWER 0 What is the freezing point of sea water in Fahrenheit? - ANSWER -2C How many amino acids are in a dipeptide? - ANSWER 2 If Oxygen is in a compound, what would its oxidation number be? - ANSWER -2 Which of the following pH values would lemon juice likely have? - ANSWER 2 because the lower the pH value, the more acidic What is a pentose? - ANSWER A 5 carbon sugar (Pent = 5) (ose = sugar) What is the oxidation state of the Sulfur atom in Sulfuric Acid H2SO4? - ANSWER 6(each H is +1, each O is -2. All charges have to add to 0. 2+S-8=0 How many neutrons does carbon 14 have? - ANSWER 8 ( mass# - atomics # = neutrons) 14 6= 8 How many protons does Potassium have? - ANSWER 19

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