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Manganese is a key component of extremely hard steel. The

Principles of General Chemistry | 2nd Edition | ISBN: 9780073511085 | Authors: Martin S. Silberberg ISBN: 9780073511085 71

Solution for problem 105P Chapter 3

Principles of General Chemistry | 2nd Edition

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Principles of General Chemistry | 2nd Edition | ISBN: 9780073511085 | Authors: Martin S. Silberberg

Principles of General Chemistry | 2nd Edition

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Problem 105P Problem 105P

Manganese is a key component of extremely hard steel. The element occurs naturally in many oxides. A 542.3-g sample of a manganese oxide has an Mn/O ratio of 1.00/1.42 and consists of braunite (Mn2O3) and manganosite (MnO).

(a) What masses of braunite and manganosite are in the ore?

(b) What is the ratio Mn3+/Mn2+ in the ore?

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Biology 130 : Exam 3 Diversity of Life Diversity of Life : total of all variations in forms, functions, and behaviors. Biodiversity : number of all the surviving species in the world. Number of species increases due to evolution and decreases due to extinction. CLASSIFICATION OF LIVING ORGANISMS ­Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species. Living organisms are currently classified in to 3 domains and 6 kingdoms. Kingdoms are Archaebacteria, Eubacteria, Plantae, Animalia, Fungi, Protista. Domain Archaea­Prokaryotic ­Kingdom Archaebacteria Has many ancestral characteristics –Cell wall type 1 Can survive in extreme conditions Domain Bacteria­Prokaryotic ­Kingdom Eubacteria It’s the typical bacteria – Cell all type 2 Domain Eukarya­Eukaryotic ­ Kingdom Protista – Most no cell wall, mostly single celled organisms ­ Kingdom Plantae­ cellulose cell wall, multicellular metazoans, producers ­ Kingdom Animalia­ no cell wall, multicellular metazoans, consumers ­ Kingdom Fungi –Chitin cell wall, mostly multicellular metazoans, decomposers *Prokaryotic : Before+Kernel – No nucleus, no membrane bound organelles. *Metazoan = multicellular organism that has to have all of its cell types to survive Body shape of bacteria related to name: Spherical shaped­coccus Rod shaped­ bacillus Spiral shaped­ spirillum Form chains = strepto Form sheets = staphylo ­Earliest antibiotics discovered were produced by bacteria and fungi. Harmful bacteria: Streptococcus, Staphylococcus, Clostridium (Tetanus/ botulism), Rickettsia (Rock Mountain Spotted Fever), Borrelia (Lyme disease). ­Viruses are non living and non cellular. Cannon reproduce without using a host cell ( the reason why it is non living). Non domain no kingdom. Can evolve because they have DNA and RNA. Smaller than bacteria (30­100 nanometers). Kingdom Protista ­Mostly single celled, eukaryotic, most found in water, Have to have moisture, highly diverse. Major groups ­Amoeba­like cells­ move with pseudopods. Ex) Amoeba, Foraminifera. ­Cells with cilia­ Paramecium, Stentor. ­Cells with flagella: Giardia, Euglena (protest that undergoes photosynthesis) Some are intracellular parasites. Plasmodium and Toxoplasma. ­Plasmodium causes malaria. ­Toxoplasma travels around in animal feces. (Carnivore and omnivore.) Causes birth defects. Some are plant­like protistans: Rhodophyta and Phaeophyta

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Chapter 3, Problem 105P is Solved
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Textbook: Principles of General Chemistry
Edition: 2
Author: Martin S. Silberberg
ISBN: 9780073511085

The full step-by-step solution to problem: 105P from chapter: 3 was answered by , our top Chemistry solution expert on 08/31/17, 03:54AM. This textbook survival guide was created for the textbook: Principles of General Chemistry, edition: 2. The answer to “Manganese is a key component of extremely hard steel. The element occurs naturally in many oxides. A 542.3-g sample of a manganese oxide has an Mn/O ratio of 1.00/1.42 and consists of braunite (Mn2O3) and manganosite (MnO).(a) What masses of braunite and manganosite are in the ore?(b) What is the ratio Mn3+/Mn2+ in the ore?” is broken down into a number of easy to follow steps, and 55 words. Principles of General Chemistry was written by and is associated to the ISBN: 9780073511085. Since the solution to 105P from 3 chapter was answered, more than 724 students have viewed the full step-by-step answer. This full solution covers the following key subjects: braunite, ratio, ore, manganosite, manganese. This expansive textbook survival guide covers 23 chapters, and 1878 solutions.

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Manganese is a key component of extremely hard steel. The