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 -9.0102kJ/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. 3.0102kJ B. 6.0102kJ C. 9.0102kJ D. 12102kJ E. 18102kJ

Introductory Chemistry: An Active Learning Approach

6th Edition

ISBN:9781305079250

Author:Mark S. Cracolice, Ed Peters

Publisher:Mark S. Cracolice, Ed Peters

Chapter16: Solutions

Section: Chapter Questions

Problem 31E

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Question

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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