Chemistry, 26.06.2019 10:30 curiouscadencee
Which of the following is not a characteristic of most ionic compounds? a. they are solids b. they have low melting points c. when melted they conduct an electric current d. they are composed of metallic and non metallic elements what characteristic of metals makes them good electrical conductors? a. they have mobile valence electrons b. they have mobile protons c. they chase mobile cations d. their crystal structures can be rearranged easily. what are the weakest attractions between molecules? a. ionic forces b. van der waals forces c. covalent forces d. hydrogen forces which of the following correctly provides the name of the element, the symbol for the ion, and the name of the ion? a. fluorine f+, fluoride ion b. zine zn+, zincate ion c. copper cu+, cuprous ion d. sulfur, s+, sulfurous ion
Answers: 2
Chemistry, 22.06.2019 01:00
Which part of a feedback mechanism is able to monitor the conditions outside of cells and usually uses nerve cells to relay this information to an intergrating center
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Chemistry, 22.06.2019 13:30
In a ni-cd battery, a fully charged cell is composed of nickelic hydroxide. nickel is an element that has multiple oxidation states. assume the following proportions of the states: nickel charge proportions found 0 0.17 +2 0.3 +3 0.33 +4 0.5 (a) determine the mean of the nickel charge. enter the answer to 2 decimal places.(b) determine the cumulative distribution function of nickel charge.
Answers: 2
Chemistry, 22.06.2019 18:10
Consider the following reaction at equilibrium: c(s)+h2o(g)⇌co(g)+h2(g) predict whether the reaction will shift left, shift right, or remain unchanged upon each of the following disturbances. a) c is added to the reaction mixture. b) h2ois condensed and removed from the reaction mixture c) co is added to the reaction mixture d) h2 is removed from the reaction mixture.
Answers: 3
Which of the following is not a characteristic of most ionic compounds? a. they are solids b. they...
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