Inaninsulatedcalorimeter,100.0gof1. 00MHN03ismixedwith100.0gof1.00MKOH. The temp went from 22.1° C to 28.6° C. Calculate the heat of reaction. C for water is 4.184 J/g °C and C for the calorimeter is 18.80 J/ °C a) -27.8 kJ/mol b) -55.6 kJ/mol c) 55.6 kJ/mol d) 54.4 kJ/mol
Answers: 1
Chemistry, 21.06.2019 20:50, deanlmartin
Choose all that apply. when creating a graph, you should: determine the x- and y- variables label the scale on the x- and y- axes plot the data points draw a line of best fit to represent the data trend
Answers: 1
Chemistry, 22.06.2019 08:30, ayaanwaseem
For each of the compounds below, show that the charges on the ions add up to zero. a. kbr b. cao c. li(2)o d. cacl(2) e. alcl(3)
Answers: 2
Chemistry, 22.06.2019 12:00, BreBreDoeCCx
Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal. b. he is determining chemical properties that are sufficient to identify the metal. c. he is determining physical properties that are insufficient to identify the metal. d. he is determining chemical properties that are insufficient to identify the metal.
Answers: 3
Chemistry, 23.06.2019 05:00, neidaq12345
110 g of water (specific heat = 4.184 j/g c) and 100 g of a metal sample (specific heat = 0.397 j/g c) are heated from 25 degrees c to 75 degrees c. which substance required more thermal energy?
Answers: 1
Inaninsulatedcalorimeter,100.0gof1. 00MHN03ismixedwith100.0gof1.00MKOH. The temp went from 22.1° C t...
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