University Of Pennsylvania

molar volume - Answer the volume occupied by a mole of any gas at STP molar mass - Answer the mass of a mole of any element or compound atomic mass - Answer the number of grams of an element that is numerically equal to the atomic mass of the element in amu representative particle - Answer an atom, an ion, or a molecule, depending upon the way a substance commonly exists mole - Answer the SI unit used to measure amount of substance Avogadro's numbe...

What is the responsibility of the Lab Supervisor? - Answer -Writes quizzes -Maintains Canvas site -Enforces safety within the lab -trains teaching assistants What is the responsibility of the teaching assistant? - Answer -Holds office hours in the Learning Center -Grades lab reports and posts grades on Canvas -Enforces safety within the lab -Monitors students in the lab What is the responsibility of the student? - Answer -Prepares for class -Completes all assignmen...

Define Calorimetry - Answer measurement of amount of heat evolved or absorbed in a chemical reaction, change in state, or a formation of solution What does the E m c and delta T stand for in E=mc(delta)T - Answer E- energy c- specific heat constant m- mass or moles (delta T)- change in temperature Small calorie(c) compared to Food Caloire(C) - Answer 1c=1000C 1 calorie - Answer Amount of energy needed to raise temperature 1 gram of water 1 degree C When walkin...

Exp. 2 - Spectroscopy - Answer Define Spectroscopy - Answer Study of the interactions of electromagnetic radiation with matter Explain the difference between a line and continuous spectrum, and give an example of each source of light - Answer Continuous spectrum contains all frequencies within a region of the electromagnetic spectrum. eg. sun Line spectrum contains only certain frequencies. eg. neon lamp What kind of energy transitions were observed in this experim...

PRACTICE EXAM 2B: OIDD 1010, SPRING 2025 | EXAM Q&A WITH RATIONALES 100% CORRECT | THE ULTIMATE GUIDE FOR YR. (2026/2027) Problem 1: Chemical Transportation Logistics. Chemical Transportation Logistics (CTL) provides transportation planning services for a chemical company specializing in fertilizer manufacturing. On a daily basis, CTL needs to ensure that a particular fertilizer is delivered from its client’s chemical plant to each of client’s two distribution centers (DCs). ...

catalase assay - Answer used to detect catalase, an oxygen detoxifying enzyme. when catalase substances are introduced to OH, they fizz. (ONLY STAPHYLO AND MICROCOCCUS) Alpha hemolysis on blood agar - Answer - incomplete lysis of RBC - greenish zone around cells, remaining medium remains opaque -don't normally cause disease Beta hemolysis on blood agar - Answer -complete lysis of RBC - clear zone around growth - grouped with most pathogens that cause disease. Gamma...

Leeuwenhoek - Answer First person to observe and describe living microbes with a microscope Semmelweis - Answer -Births and Mortality -Required hand washing Lister - Answer Surgeon who began spraying wounds, surgical incisions, and dressingsfdasdfrbolic acids (antisepsis) Size of Bacteria - Answer 5-10 micron Morphology - Answer -rod, bacilli -cocci -spiral Cell Wall - Answer rigid shape peptidoglycan based on cell wall composition: bacteria divide into two ...

Which of the following would be considered a safe practice while in the microbiology lab? - Answer Leaving the lab after wiping down the bench top with disinfectants and washing your hands Microscopically you observe single bacillus that form white colonies on nutrient agar: Genus species? - Answer Escherichia coli Microscopically you observe tetrads that form yellow colonies on nutrient agar. Genus species? - Answer Micrococcus luteus Introduction of unwanted microorganisms - ...

Extremophiles grow under what conditions? - Answer They grow under extreme conditions of pH, temperature, pressure, etc. Microbes are classified according to what? - Answer Their preferred growth environment What are the three cardinal temperatures? - Answer Minimum, Optimum, and Maximum Enzyme activity, membrane fluidity, DNA stability, etc are all influenced by what? - Answer Temperature Psychrophiles temperature range is? - Answer Low, <15 degrees C = optimum ...

Noncellular "entities" that some regard as straddling the border between life and nonlife: a) Viruses b) Bacteria c) Yeasts d) Algae - Answer a) Viruses Yeasts and molds belong to a group of microorganisms known as the: a) Protozoa b) Helminths c) Fungi d) Prokaryotes - Answer c) Fungi Microorganisms that produce diseases are said to be: a) Avirulent b) Ubiquitous c) Aerotolerant d) Pathogenic - Answer d) Pathogenic Molds from visible masses called _______, which a...