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CHEM V1/V2, AP V1/V2, HESI A2 BIOLOGY EXAM QUESTIONS
Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -100 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation
Question 1: What is reduction?
Answer:
Gain in electrons (RIG-reduction is gaining) Question 2: Decomposition product of a proton or neutron High speed/energy Electrons EITHER
- charged electrons or + charged positrons Can be stopped by aluminum foil
Answer:
Beta radiation:
Question 3: When 3-6 monosaccharides join together this is called?
Answer:
Oligosaccharide (7+ is polysaccharide)
Question 4: Boiling point of water in °C?
Answer:
100°C
Question 5: What is reduction?
Answer:
GAIN of electrons
Question 6: How many kilograms are in a pound?
Answer:
0.453592 kg
Question 7: What is the Molarity
Answer:
Formula?
Question 8: The study of changes that occur in atomic nuclei?
Answer:
Nuclear Chemistry
Question 9: Basic building block of a molecule?
Answer:
Atom (NOT CELL!!)
Question 10: What is the freezing point of sea water in Fahrenheit?
Answer:
-2C
Question 11: Where are nucleic acids, DNA RNA found?
Answer:
Cell nucleus
Question 12: When 2 monosaccharides are joined together this makes?
Answer:
Disaccharide
Question 13: What is a pentose?
Answer:
A 5 carbon sugar (Pent = 5) (ose = sugar)
Question 14: 3 common temperature systems?
Answer:
Fahrenheit, Celsius, Kelvin
Question 15: What are intermolecular forces?
Answer:
Forces of attractions between molecules
Question 16: How do catalyst accelerate a chemical reaction?
Answer:
By reducing the amount of energy needed for a reaction to occur
Question 17: Normal body temperature in °C?
Answer:
37°C Question 18: Emission of Helium (He) ions in the nuclei Contains 2 protons & 2 neutrons. +2 Charge radiation particle. Can Largest be stopped by piece of paper
Answer:
Alpha radiation
Question 19: Emission of particles or energy from a unstable nucleus?
Answer:
Radioactivity
Question 20: Particles that are emitted during radioactivity?
Answer:
Radiation
Question 21: Fahrenheit is based off of?
Answer:
Body temp
Question 22: How many neutrons does carbon 14 have?
Answer:
- ( mass# - atomics # = neutrons) 14 6= 8
Question 23: What is Biochemistry?
Answer:
Study of substances & processes occurring in living things
Question 24: 2C2H6 (g) + 702 (g) = 4CO2(g) + 6H2O
Answer:
Combustion reaction
Question 25: Atoms of the same element but have different numbers of neutrons?
Answer:
Isotope
Question 26: What is Deoxyribose?
Answer:
A sugar used in the formation of DNA
Question 27: If Oxygen is in a compound, what would its oxidation number be?
Answer:
-2
Question 28: When an atom GAINS ONE or more electrons
Answer:
Anions (negative ion)
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