Study guides, Class notes & Summaries

Chem 103 Quiz 2

Chem 103 Exam 5 Questions & Answers 100%enzyme - ANSWERincrease rate of section behaving as a catalyst subgroup of protein Accurate!!

Chem 103 Exam 1Questions & Answers 100% Correct!! What is chemistry? - ANSWERChemistry is the study of the physical and compositional changes of matter. Chemistry is called the Central Science. Many health related areas of study are based on Chemistry. Matter - ANSWERMatter is anything that has mass, occupies space and is made-up of atoms or parts of atoms. Mass - ANSWER-Mass is a measure of the amount of matter in an object. -Mass is independent of the location of an object. ...

Chem 103 Questions & Answers 100% Accurate!! 1 inch - ANSWER2.54 cm

Chem 103 Module 6 Exam Questions & Answers 100% Accurate!! calorie (cal) - ANSWERunit of heat or other energy; the amount of energy required to raise 1 gram of water by 1 degree Celsius; 1 cal is defined as 4.184 J endothermic process - ANSWERchemical reaction or physical change that absorbs heat energy - ANSWERthe capacity to supply heat or do work exothermic process - ANSWERchemical reaction or physical change that releases heat

CHEM 103 - Module 5 Exams 100% Accurate!! ionic bonds - ANSWERtwo oppositely charged ions (2Na + Cl₂ = 2Na⁺+2Cl⁻) metals tend to ______ electrons - ANSWERlose nonmetals tend to ______ electrons - ANSWERgain covalent bonds - ANSWERshare at least one pair of electrons so both atoms have 8 valence electrons 2 types of covalent bonds - ANSWERpolar, nonpolar polar covalent bond - ANSWERunequal sharing of electrons, difference in electronegativity 0.5-1.6 nonpolar covalent...

CHEM 103 Final Exam 100% Accurate!! Which of the following is an example of a physical property? a. Ability to change color b. Flammability c. Density d. Solubility Exam 1 - ANSWERc. Density Which of the following is evidence of a chemical change? a. Releasing bubbles of gas b. Floating in water c. Crystallization d. Vaporization e. None of the above Exam 1 - ANSWERa. Releasing bubbles of gas According to the metric system, 1 m = 0.001 what? a. cm b. mm c. dm d. km e. ...

high pH - ANSWERbasic = more OH low pH - ANSWERacidic= more H pH greater than PI pH=PI PI greater than PH - ANSWER-1 0 +1 isomer - ANSWERsame but different order and structure enzyme - ANSWERincrease rate of section behaving as a catalyst subgroup of protein catalyst - ANSWERdecreases activation energy lock key vs. induced fit - ANSWERgoes straight in takes shape of substrate competitive

What is chemistry? - ANSWERChemistry is the study of the physical and compositional changes of matter. Chemistry is called the Central Science. Many health related areas of study are based on Chemistry. Matter - ANSWERMatter is anything that has mass, occupies space and is made-up of atoms or parts of atoms. Mass - ANSWER-Mass is a measure of the amount of matter in an object. -Mass is independent of the location of an object. -An object on the earth has the same mass as the same...

1 inch - ANSWER2.54 cm 1 mL - ANSWER1 cm^3 milli - ANSWER10^-3 micro - ANSWER10^-6 nano - ANSWER10^-9 centi - ANSWER10^-2 1 cal - ANSWER4.184 J 1 Cal - ANSWER1000 cal 1 mole - ANSWER6.02 x 10^23 1 atm - ANSWER760 mmHg, 760 torr, 101,325 Pa Density - ANSWERmass/volume T(K) - ANSWERT(C) + 273 T(C) - ANSWER(T(F)-32)/1.8 heat of reaction - ANSWERq=mct

Which of the following is an example of a physical property? a. Ability to change color b. Flammability c. Density d. Solubility Exam 1 - ANSWERc. Density Which of the following is evidence of a chemical change? a. Releasing bubbles of gas b. Floating in water c. Crystallization d. Vaporization e. None of the above Exam 1 - ANSWERa. Releasing bubbles of gas According to the metric system, 1 m = 0.001 what? a. cm b. mm c. dm d. km e. None of the above Exam 1 - ANSWERd...