Chemistry

What are the redox reactions that take place?
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if the potential of a voltaic cell is 0.837 v, what is the free energy change when two moles of electrons are transferred in an oxidation-reduction reaction?
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Home Work I Given a short answer for the following questio 1. From the given elements Na, P, ca and Br. Which has the a Highes first lonization energy
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A thermite reaction releases large amounts of heat and light, resulting in the melting of the iron metal that forms during the reaction. fe2o3 + 2al al2o3 + 2fe determine the correct mole ratio for iron (iii) oxide and aluminum based on the balanced chemical equation. fe2o3:al =
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Can pewter cause lead poisoning?
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Is 4 degrees in the danger zone?
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A shot put at the Olympic games has a mass of 7250 grams and has a volume of 300.0 cm3 , what is the density of the shot put?
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give the balanced equation for the recovery of germanium from its oxide ore. phases are optional (liquid, aqueous, etc.). balanced equation:
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Given that E0cell=3.20V for the reaction 2Na(inHg)+Cl2(g)2Na+(aq)+2Cl(aq)What is E0 for the reduction 2Na(aq)++2e2Na(inHg)?
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What is the row at the bottom of the periodic table called?
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compare the packing efficiency of face-centered cubic gold and face-centered cubic sodium chloride considering all the atoms.
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lewis structure ibr2-
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*URGENT*A farmer was unhappy because of his low yield. He discussed the problem with an agricultural scientist and realized that the soil of his field was either too acidic or too basic. What remedy would you suggest the farmer to neutralize the soil.?
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108Xe is expected to be stable. Why is this false?
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3. Why were you able to identify your unknown? Explain in terms of the electronic structure of atoms.(In other words: Why were each of these flames a different color?)If you need more room, attach a separate sheet of paper.
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The sign of H for the process NaCl(l) NaCl(s) is A. negative and the process is endothermic B. positive and the process is exothermic C. positive and the process is endothermic D. negative and the process is exothermic
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Determine the name for Br2O A. bromine (i) oxide B. bromine oxide C. dibromine monoxide D. bromate E. bromine (ii) oxide
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I need the solution of C.
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the smallest particle of an element that retains its identity in a chemical reaction
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Nuclides below the valley of stability can become more stable through which of the following processes?(a) neutron bombardment(b) gamma emission(c) positron emission(d) beta emission(e) neutron emission
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The molecular geometry (shape) of the H3O+ ion is O octahedral O trigonal planar O trigonal pyramidal O bent O tetrahedralPrevious question
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which of the following statements about the packing of monatomic solids with different unit cells is incorrect? note: coordination number is the number of nearest neighbors at the same distance to a given atom. for example, the metal atom in the center of a body centered cubic unit cell has a coordination number of 8.
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Relate an enzyme's structure to its reaction specificity. (Module 2.18B)The reaction specificity relates to how much energy is created when the enzyme-substrate complex forms.The reaction specificity relates to the unique shape of the active site to which only a complementary shape can bind.The reaction specificity relates to the number of enzymes with the same structure.The reaction specificity relates to how many active sites are present on the enzyme.The reaction specificity relates to the size of the enzyme.
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Atoms with a strong attraction for electrons they share with another atom exhibitanswer choices- high electronegativity- zero electronegativity
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