Grams to mols Study guides, Revision notes & Summaries

1. Question:Joe conducts an experiment to test the effectiveness of a new drug for cancer.Which of the following variables would be easiest to control? 2. Question:A mixture containing 50 grams of carbon and 75 grams of oxygen is sealed in a flask. The total mass of the system is 225 grams. The flask is heated to cause the carbon and oxygen to react. The sealed flask ismassed. What is the mass of the sealed flask? 3. Question:Aluminum has a density of 2.7 g/cm3. What would be the mass, in g, o...

HESI A2 Chemistry test 1. What makes an atom's physical structure? - Correct answer A nucleus and orbits(sometimes known as electron clouds)" 2. "What composes the center of the atom? - Correct answer Protons and neutrons" 3. "What spins in the orbits of an atom? - Correct answer Electrons" 4. "What are the energy levels of the atom called? - Correct answer Shells or orbits" 5. "What is the term used to define an atom that is electrically charged? - Correct answer Ionic...

 HESI A2 ENTRANCE EXAM FOR  CHAMBERLAIN COLLGE OF NURSING  2023 QUESTIONS WITH ANSWERS  CHEMISTRY HESI A2 CHEMISTRY V1/V2 FILE 1. If a Hydrogen is in a compound, what would its oxidation number be? +1 2. What is the oxidation number of any simple ion? +1 or -1 depending on the charge of the ion 3. How many kilograms are in a pound? 0. kg 4. What is the temperature for freezing point of water in Celsius? 0 degrees Celsius (32°F for Fahrenheit) 5. What is the con...

HESI A2 ENTRANCE EXAM FOR  CHAMBERLAIN COLLGE OF NURSING  2023 QUESTIONS WITH ANSWERS  CHEMISTRY HESI A2 CHEMISTRY V1/V2 FILE 1. If a Hydrogen is in a compound, what would its oxidation number be? +1 2. What is the oxidation number of any simple ion? +1 or -1 depending on the charge of the ion 3. How many kilograms are in a pound? 0. kg 4. What is the temperature for freezing point of water in Celsius? 0 degrees Celsius (32°F for Fahrenheit) 5. What is the convers...

 HESI A2 ENTRANCE EXAM FOR  CHAMBERLAIN COLLGE OF NURSING  2023 QUESTIONS WITH ANSWERS  CHEMISTRYHESI A2 CHEMISTRY V1/V2 FILE 1. If a Hydrogen is in a compound, what would its oxidation number be? +1 2. What is the oxidation number of any simple ion? +1 or -1 depending on the charge of the ion 3. How many kilograms are in a pound? 0. kg 4. What is the temperature for freezing point of water in Celsius? 0 degrees Celsius (32°F for Fahrenheit) 5. What is the conversion...

 HESI A2 ENTRANCE EXAM FOR  CHAMBERLAIN COLLGE OF NURSING  2023 QUESTIONS WITH ANSWERS  CHEMISTRYHESI A2 CHEMISTRY V1/V2 FILE 1. If a Hydrogen is in a compound, what would its oxidation number be? +1 2. What is the oxidation number of any simple ion? +1 or -1 depending on the charge of the ion 3. How many kilograms are in a pound? 0. kg 4. What is the temperature for freezing point of water in Celsius? 0 degrees Celsius (32°F for Fahrenheit) 5. What is the conversion...

 HESI A2 ENTRANCE EXAM FOR  CHAMBERLAIN COLLGE OF NURSING  2023 QUESTIONS WITH ANSWERS  CHEMISTRYHESI A2 CHEMISTRY V1/V2 FILE 1. If a Hydrogen is in a compound, what would its oxidation number be? +1 2. What is the oxidation number of any simple ion? +1 or -1 depending on the charge of the ion 3. How many kilograms are in a pound? 0. kg 4. What is the temperature for freezing point of water in Celsius? 0 degrees Celsius (32°F for Fahrenheit) 5. What is the conversion...

HESI A2 ENTRANCE EXAM FOR  CHAMBERLAIN COLLGE OF NURSING  2023 QUESTIONS WITH ANSWERS  CHEMISTRY HESI A2 CHEMISTRY V1/V2 FILE 1. If a Hydrogen is in a compound, what would its oxidation number be? +1 2. What is the oxidation number of any simple ion? +1 or -1 depending on the charge of the ion 3. How many kilograms are in a pound? 0. kg 4. What is the temperature for freezing point of water in Celsius? 0 degrees Celsius (32°F for Fahrenheit) 5. What is the convers...

 HESI A2 ENTRANCE EXAM FOR  CHAMBERLAIN COLLGE OF NURSING  2023 QUESTIONS WITH ANSWERS  CHEMISTRY HESI A2 CHEMISTRY V1/V2 FILE 1. If a Hydrogen is in a compound, what would its oxidation number be? +1 2. What is the oxidation number of any simple ion? +1 or -1 depending on the charge of the ion 3. How many kilograms are in a pound? 0. kg 4. What is the temperature for freezing point of water in Celsius? 0 degrees Celsius (32°F for Fahrenheit) 5. What is the conversi...

HESI A2 ENTRANCE EXAM FOR  CHAMBERLAIN COLLGE OF NURSING  2023 QUESTIONS WITH ANSWERS  CHEMISTRY HESI A2 CHEMISTRY V1/V2 FILE 1. If a Hydrogen is in a compound, what would its oxidation number be? +1 2. What is the oxidation number of any simple ion? +1 or -1 depending on the charge of the ion 3. How many kilograms are in a pound? 0. kg 4. What is the temperature for freezing point of water in Celsius? 0 degrees Celsius (32°F for Fahrenheit) 5. What is the convers...