A) Suppose you have a compound which has an empirical formula of C4H5N2O and molar massof 194 g/mol. What is the compounds molecular formula? A. C4H5N2O B. C8H10N4O2 C. C12H15N6O3 D. C6H7N4O3 E. C6H8N4O3 B) How many liters of 0.300 M aluminum (III) hydroxide do you need to titrate 0.300 L of a 0.300M diprotic acid to the equivalence point? A. 0.100 L B. 0.150 L C. 0.200 L D. 0.250 L E. 0.300 L C) 413. The enthalpy of combustion of methane gas, CH4(g), is about -9.0*102kJ/mol. When methanegas reacts with O2(g), the products are carbon dioxide CO2(g) and water H2O(l). How much heatis released during the combustion of methane gas when 2.0 mols of O2(g) are consumed. Expressyour answer in kJ. A. 3.0*102kJ B. 6.0*102kJ C. 9.0*102kJ D. 12*102kJ E. 18*102kJ
A) Suppose you have a compound which has an empirical formula of C4H5N2O and molar massof 194 g/mol. What is the compounds molecular formula? A. C4H5N2O B. C8H10N4O2 C. C12H15N6O3 D. C6H7N4O3 E. C6H8N4O3 B) How many liters of 0.300 M aluminum (III) hydroxide do you need to titrate 0.300 L of a 0.300M diprotic acid to the equivalence point? A. 0.100 L B. 0.150 L C. 0.200 L D. 0.250 L E. 0.300 L C) 413. The enthalpy of combustion of methane gas, CH4(g), is about -9.0*102kJ/mol. When methanegas reacts with O2(g), the products are carbon dioxide CO2(g) and water H2O(l). How much heatis released during the combustion of methane gas when 2.0 mols of O2(g) are consumed. Expressyour answer in kJ. A. 3.0*102kJ B. 6.0*102kJ C. 9.0*102kJ D. 12*102kJ E. 18*102kJ
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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Question 11
A) Suppose you have a compound which has an empirical formula of C4H5N2O and molar massof 194 g/mol. What is the compounds molecular formula?
A. C4H5N2O
B. C8H10N4O2
C. C12H15N6O3
D. C6H7N4O3
E. C6H8N4O3
B) How many liters of 0.300 M aluminum (III) hydroxide do you need to titrate 0.300 L of a 0.300M diprotic acid to the equivalence point?
A. 0.100 L
B. 0.150 L
C. 0.200 L
D. 0.250 L
E. 0.300 L
C) 413. The enthalpy of combustion of methane gas, CH4(g), is about -9.0*102kJ/mol. When methanegas reacts with O2(g), the products are carbon dioxide CO2(g) and water H2O(l). How much heatis released during the combustion of methane gas when 2.0 mols of O2(g) are consumed. Expressyour answer in kJ.
A. 3.0*102kJ
B. 6.0*102kJ
C. 9.0*102kJ
D. 12*102kJ
E. 18*102kJ
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