Consider the reaction: C2H5OH(L) + 3O2(G) -> 2CO2(G) +3H2O(L), Change in H= -1.37*10^3 Kj When a...
Consider the reaction:
C2H5OH(L) + 3O2(G) -> 2CO2(G) +3H2O(L), Change in H= -1.37*10^3 Kj
When a 16.0-g sample of ethyl alcohol (molar mass = 46.07 g/mol) is burned, how much energy is released as heat?
A) 0.347 kJ
B) 0.476 kJ
C) 2.19 × 104 kJ
D) 4.76 × 102 kJ
E) 2.88 kJ
Homework Answers
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Consider the reaction:
C2H5OH(L) + 3O2(G) -> 2CO2(G) +3H2O(L), Change in H=
-1.37*10^3 Kj
When a...
The thermochemical equation for the burning of ethyl alcohol is C2H5OH(l) + 3O2(g) --> 2CO2(g) +...
The thermochemical equation for the burning of ethyl alcohol is C2H5OH(l) + 3O2(g) --> 2CO2(g) + 3H2O(l) ΔH = -1,367 kJ What is the enthalpy change (in kJ) for burning 10.01 g of ethyl alcohol?
Given the following reaction: CH3CH2OH(l)+3O2(g)→2CO2(g)+3H2O(l)CH3CH2OH(l)+3O2(g)→2CO2(g)+3H2O(l) ∆H = –2200 kJ/mol CH3CH2OHCH3CH2OH b) If you increase [CH3CH2OHCH3CH2OH], which...
Given the following reaction: CH3CH2OH(l)+3O2(g)→2CO2(g)+3H2O(l)CH3CH2OH(l)+3O2(g)→2CO2(g)+3H2O(l) ∆H = –2200 kJ/mol CH3CH2OHCH3CH2OH b) If you increase [CH3CH2OHCH3CH2OH], which of the following will occur? Check all that apply. Select one or more: a. the reaction will shift left b. Heat will be released c. the reaction will shift right d. [CO2CO2] will increase e. [O2O2] will decrease f. [H2OH2O] will decrease
Given the following reaction: CH3CH2OH(l)+3O2(g)→2CO2(g)+3H2O(l)CH3CH2OH(l)+3O2(g)→2CO2(g)+3H2O(l) ∆H = –2200 kJ/mol CH3CH2OHCH3CH2OH a) This reaction is... Select one...
Given the following reaction: CH3CH2OH(l)+3O2(g)→2CO2(g)+3H2O(l)CH3CH2OH(l)+3O2(g)→2CO2(g)+3H2O(l) ∆H = –2200 kJ/mol CH3CH2OHCH3CH2OH a) This reaction is... Select one or more: a. exothermic b. endothermic
E2C.6(a) for the reaction C2H5OH(l) + 3O2(g) 2CO2(g) + 3H2O(g), delta U knot = -1373 kj/mol at 298 k. calculate delta H...
E2C.6(a) for the reaction C2H5OH(l) + 3O2(g) 2CO2(g) + 3H2O(g), delta U knot = -1373 kj/mol at 298 k. calculate delta H knot of reaction.
Ethanol, C2H5OH, burns in oxygen gas by the following reaction. C2H5OH(l) + 3O2(g) → 2CO2(g) +...
Ethanol, C2H5OH, burns in oxygen gas by the following reaction. C2H5OH(l) + 3O2(g) → 2CO2(g) + 3H2O(g); ΔH = -1235 kJ How many grams of ethanol would be needed to provide 293 kJ of heat?
Given the following reaction: CH3CH2OH(l)+3O2(g)→2CO2(g)+3H2O(l)CH3CH2OH(l)+3O2(g)→2CO2(g)+3H2O(l) ∆H = –2200 kJ/mol CH3CH2OHCH3CH2OH c) If you add heat to...
Given the following reaction: CH3CH2OH(l)+3O2(g)→2CO2(g)+3H2O(l)CH3CH2OH(l)+3O2(g)→2CO2(g)+3H2O(l) ∆H = –2200 kJ/mol CH3CH2OHCH3CH2OH c) If you add heat to the system, which of the following will occur? Check all that apply. Select one or more: a. the reaction will shift left b. the reaction will shift right c. [CH3CH2OHCH3CH2OH] will increase d. [H2OH2O] will decrease e. [O2O2] will decrease f. [CO2CO2] will increase
Consider the following balanced chemical equation: C2H5OH(l) + 3O2(g) → 2CO2(g) + 3H2O(l) a. How many...
Consider the following balanced chemical equation: C2H5OH(l) + 3O2(g) → 2CO2(g) + 3H2O(l) a. How many moles of CO2 form when 1.53 moles of C2H5OH react? moles CO2 b. How many moles of H2O form from the reaction of 1.53 moles of C2H5OH? moles H2O c. How many moles of CO2 form when 1.53 moles of H2O form? moles CO2 d. How many molecules of CO2 form when 1.53 moles of H2O form? × 10(Click to select)21222324 molecules CO2
Methanol (CH3OH) burns according to the equation 2CH3OH(l) + 3O2(g) → 2CO2(g) + 4H2O(l), ΔH°rxn =...
Methanol (CH3OH) burns according to the equation 2CH3OH(l) + 3O2(g) → 2CO2(g) + 4H2O(l), ΔH°rxn = –1454 kJ/mol. A) How much heat, in kilojoules, is given off when 150.0 g of methanol is burned? [ Select ] B) How many grams of CO2 are produced when the amount of heat determined in part A is released? [ Select ] Molar masses: CH3OH = 32.04 g/mol O2 = 32.00 g/mol CO2 = 44.01 g/mol H2O = 18.02 g/mol
A 2.11 g sample of ethanol (C2H5OH) is burned in a bomb calorimeter with a heat capacity, C-5.65 kJ/"C. C2H5OH() + 3 O2...
A 2.11 g sample of ethanol (C2H5OH) is burned in a bomb calorimeter with a heat capacity, C-5.65 kJ/"C. C2H5OH() + 3 O2(g) + 2 CO2(g) + 3 H2O(g) AH'rxn=-1235 kJ If the initial temperature is 25.0°C, what is the final temperature (in "C) of the calorimeter? The molar mass of ethanol is 46.07 g/mol. Remember, in the heat equation, q=m's'AT, heat capacity is equivalent to Cum's, giving Heat capacity is extensive whereas specific heat is intensive. -CAT.
A 35.6 g sample of ethanol (C2H5OH) is burned in a bomb calorimeter, according to the following reaction. If the...
A 35.6 g sample of ethanol (C2H5OH) is burned in a bomb calorimeter, according to the following reaction. If the temperature rose from 35.0 to 76.0°C and the heat capacity of the calorimeter is 23.3 kJ/°C, what is the value of DH°rxn? The molar mass of ethanol is 46.07 g/mol. C2H5OH(l) + O2(g) → CO2(g) + H2O(g) ΔH°rxn = ? (Points : 1) -1.24 × 103 kJ/mol +1.24 × 103 kJ/mol -8.09 × 103 kJ/mol -9.55 × 103 kJ/mol...
A 2.11 g sample of ethanol (C2H5OH) is burned in a bomb calorimeter with a heat capacity, C-5.65 kJ/"C. C2H5OH() + 3 O2(g) + 2 CO2(g) + 3 H2O(g) AH'rxn=-1235 kJ If the initial temperature is 25.0°C, what is the final temperature (in "C) of the calorimeter? The molar mass of ethanol is 46.07 g/mol. Remember, in the heat equation, q=m's'AT, heat capacity is equivalent to Cum's, giving Heat capacity is extensive whereas specific heat is intensive. -CAT.
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