A student wishes to determine the specific heat capacity of a certain material. After she places 5.000 g of the material at 95.10 °C to 50.0 g of water, already in the calorimeter, at 26.80 °C, the final temperature of the system is 34.70 °C. What is the specific heat capacity of the material? (specific heat capacity of water = 4.184 J/g•"C) Select one: O a. 0.183 J/g•°C O b. 0.754 J/g.°C O c. 320 J/g•°C O d. 5.47 J/g•°C One of the stages in obtaining iodine from oil brines is the conversion of aqueous iodide (as Fel,) to solid iodine in the presence of chlorine gas. The other product of this reaction is aqueous ferric chloride. Which is the correct balanced chemical equation for this process? Select one: O a. 2 Fel2(aq) + 3 Cl2íg) → 2 FeCla(aq) + 2 l2(s) O b. Felz(aq) + Cl2(g) → FeCla(aq) + \z{g) Oc. Felz(ag) + Cl2(s) → FeCla(aq) + Iz(g) O d. 3 Fel2(aq) +2 Cl2(s) → 2 Fecla(aq) + 3 I2(s)
A student wishes to determine the specific heat capacity of a certain material. After she places 5.000 g of the material at 95.10 °C to 50.0 g of water, already in the calorimeter, at 26.80 °C, the final temperature of the system is 34.70 °C. What is the specific heat capacity of the material? (specific heat capacity of water = 4.184 J/g•"C) Select one: O a. 0.183 J/g•°C O b. 0.754 J/g.°C O c. 320 J/g•°C O d. 5.47 J/g•°C One of the stages in obtaining iodine from oil brines is the conversion of aqueous iodide (as Fel,) to solid iodine in the presence of chlorine gas. The other product of this reaction is aqueous ferric chloride. Which is the correct balanced chemical equation for this process? Select one: O a. 2 Fel2(aq) + 3 Cl2íg) → 2 FeCla(aq) + 2 l2(s) O b. Felz(aq) + Cl2(g) → FeCla(aq) + \z{g) Oc. Felz(ag) + Cl2(s) → FeCla(aq) + Iz(g) O d. 3 Fel2(aq) +2 Cl2(s) → 2 Fecla(aq) + 3 I2(s)
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:A student wishes to determine the specific heat capacity of a certain material. After she places 5.000 g of the
material at 95.10 °C to 50.0 g of water, already in the calorimeter, at 26.80 °C, the final temperature of the system
is 34.70 °C. What is the specific heat capacity of the material? (specific heat capacity of water = 4.184 J/g•"C)
Select one:
O a. 0.183 J/g•°C
O b. 0.754 J/g.°C
O c. 320 J/g•°C
O d. 5.47 J/g•°C
One of the stages in obtaining iodine from oil brines is the conversion of aqueous iodide (as Fel,) to solid iodine
in the presence of chlorine gas. The other product of this reaction is aqueous ferric chloride. Which is the correct
balanced chemical equation for this process?
Select one:
O a. 2 Fel2(aq) + 3 Cl2íg) → 2 FeCla(aq) + 2 l2(s)
O b. Felz(aq) + Cl2(g) → FeCla(aq) + \z{g)
Oc. Felz{aq) + Cl2(e} → FeCla(aq) + Iz@)
O d. 3 Fel2(aq) +2 Cl2(s) → 2 FeCla(aq) + 3 l2{s}
What mass of chlorophyll a, CssH720gN,Mg (molar mass = 893.509 g/mol), would have the same number of
oxygen atoms as that of 13.0 g of CO2 (molar mass = 44.009 g/mol)?
Select one:
О а. 106 g
оь. 52.8д
О с. 231 g
O d. 146 g
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