1. Which activities involve chemistry? A. isolation of an anti-inflammatory extract from banaba plant B. testing different plants for their analgesic properties C. finding out how much heat is produced in burning 1.0 g of wood D. all of the above 2. Which of the following pairs is mismatched? A. organic chemistry: carbon-containing compounds B. polymer chemistry: plastics c. biochemistry: practical use of chemistry D. inorganic chemistry: mostly compounds with no carbon 3. Which of the following pairs do not match? A. heterogeneous mixture – hopia B. solution - iced tea C. element - copper D. compound - soft drinks 4. It states that same atoms are present before and after reaction. A. Law of Definite Proportion B. Law of Multiple Proportion C. Law of Conservation of Mass D. Law of Conservation of Energy 5. What type of energy is transferred as a result of temperature difference? A. heat energy C. chemical energy D. potential energy B. kinetic energy
1. Which activities involve chemistry? A. isolation of an anti-inflammatory extract from banaba plant B. testing different plants for their analgesic properties C. finding out how much heat is produced in burning 1.0 g of wood D. all of the above 2. Which of the following pairs is mismatched? A. organic chemistry: carbon-containing compounds B. polymer chemistry: plastics c. biochemistry: practical use of chemistry D. inorganic chemistry: mostly compounds with no carbon 3. Which of the following pairs do not match? A. heterogeneous mixture – hopia B. solution - iced tea C. element - copper D. compound - soft drinks 4. It states that same atoms are present before and after reaction. A. Law of Definite Proportion B. Law of Multiple Proportion C. Law of Conservation of Mass D. Law of Conservation of Energy 5. What type of energy is transferred as a result of temperature difference? A. heat energy C. chemical energy D. potential energy B. kinetic energy
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter5: Thermochemistry
Section: Chapter Questions
Problem 85E: Propane, C3H8, is a hydrocarbon that is commonly used as a fuel. (a) Write a balanced equation for...
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