Chemistry, 13.11.2020 20:10 emilyplays474
Which statement describes an example of a chemical property of a metal statue?
O It is metal.
O It can tarnish.
OIt is solid.
OIt is shiny.
Answers: 2
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In an exothermic reaction, energy may be released to the surroundings in the form of question 4 options: heat light thermal all of the above
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Which of the following reactions represents an exothermic reaction? nh3(g) + 12.0 kcal ½n2(g) + 3/2 h2(g) ch4 + 2o2 co2 + 2h2o + 212,800 cal c + 2s cs2, h = 27,550 cal c(graphite) c(diamond), h = 0.45 kcal 2h2o 2h2 + o2, h = +58 kcal
Answers: 1
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The two most abundant elements in earth's core are a. silicon and oxygen b. iron and magnesium c. nickel and silicon d. iron and nickel
Answers: 1
Which statement describes an example of a chemical property of a metal statue?
O It is metal.
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