Volutomitra obscura

Volutomitra obscura is a species of sea snail, a marine gastropod mollusk in the family Volutomitridae.[1]

Volutomitra obscura
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Caenogastropoda
clade Hypsogastropoda
clade Neogastropoda
Superfamily:
Muricoidea
Family:
Volutomitridae
Genus:
Volutomitra
Species:
V. obscura
Binomial name
Volutomitra obscura
(Hutton, 1873)
Synonyms[1]
  • Mitra alboapicata E. A. Smith, 1898
  • Mitra mortenseni Odhner, 1924
  • Mitra obscura Hutton, 1873
  • Mitra pica Reeve, 1845
  • Waimatea obscura (Hutton, 1873)

Description

Distribution
gollark: The equation is 4FeS2 + 11O2 --> 2Fe2O3 + 8SO2. You want to know how many moles O2 are needed per mole FeS2, so that's 11/4 = 2.75. Then, since the question asks for how many moles O2 are needed with *3* moles FeS2, multiply by 3, and you get 8.25.
gollark: The answer is just (3/4)*11 then, which is 8.25.
gollark: Oh, FeS2, not Fe2O3.
gollark: <@288035900980461579> Could you photograph the question or something? It does definitely look like you need 16.5 moles O2 for 3 moles Fe2O3, so the question is probably asking something else?
gollark: 2Fe2O3 is 2 moles Fe2O3, 11O2 is 11 moles O2.

References
  1. Volutomitra obscura (Hutton, 1873). Retrieved through: World Register of Marine Species on 25 April 2010.
  • Hutton, F. W. (1873). Catalogue of the marine Mollusca of New Zealand with diagnoses of the species. Didsbury, Wellington. xx + 116 pp
  • Odhner, N.H. (1924) Papers from Dr. Th. Mortensen's Pacific Expedition 1914–1916. XIX. New Zealand Mollusca. Videnskabelige Meddelelser fra Dansk Naturhistorisk Forening i Kjobenhavn, 77, 1–90, 2 pls.
  • Smith, E.A. (1898). On a small collection of marine shells from New Zealand and Macquarie Island, with descriptions of new species. Proceedings of the Malacological Society of London. 3: 20–25.
  • Bouchet P. & Kantor Y. 2004. New Caledonia: the major centre of biodiversity for volutomitrid molluscs (Mollusca: Neogastropoda: Volutomitridae). Systematics and Biodiversity 1(4): 467–502
  • Spencer, H.G., Marshall, B.A. & Willan, R.C. (2009). Checklist of New Zealand living Mollusca. pp 196–219. in: Gordon, D.P. (ed.) New Zealand inventory of biodiversity. Volume one. Kingdom Animalia: Radiata, Lophotrochozoa, Deuterostomia. Canterbury University Press, Christchurch.


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