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The amino acid glycine, C2H5NO2, is one of the compounds used by the body to make...
1. 2. * Incorrect. What is the heat of formation of elements in their standard states?...
1.
2.
* Incorrect. What is the heat of formation of elements in their standard states? Did you use the correct equation of products minus reactants? The amino acid glycine, C2H5NO2, is one of the compounds used by the body to make proteins. The equation for its combustion is 4C2H5NO2(s) + 902(g) + 8C02(g) +10H20(1) +2N2(0) For each mole of glycine that burns, 973.49 kJ of heat is liberated. Use this information, plus values of AHF for the products of...
The amino acid glycine can react to form a dipeptide (glycylgycine) according to the following equation:...
The amino acid glycine can react to form a dipeptide
(glycylgycine) according to the following equation:
2 glycine (s) -----> glycylgycine (s) +
H2O (s)
a) Use the data below (taken from standard reference tables) to
calculate deltaHdegree (in kJ), deltaSdegree
(in J/K), and deltaGdegree (in kJ) corresponding to this
reaction at 25 celcius (SHOW WORK)
deltaHdegree (in kJ)
deltaSdegree (in J/K)
deltaGdegree (in kJ)
b) Will the reaction be more spontaneous (in the forward
direction) at body temperature (37...
A bomb calorimeter, or constant volume calorimeter, is a device often used to determine the heat...
A bomb calorimeter, or constant volume calorimeter, is a device often used to determine the heat of combustion of fuels and the energy sontent of foods. lastered Since the "bomb" itself can absorb energy, a separate experiment is needed to determine the heat capacity of the calorimeter. This is known as calibrating the calorimeter. In the laboratory a student burns a 0.500-g sample of benzoic acid (C H02) in a bomb calorimeter containing 1030. g of water. The temperature increases...
High-purity benzoic acid (C6H5COOH; ΔHrxn for combustion = −3227 kJ/mol) is used as a standard for...
High-purity benzoic acid (C6H5COOH; ΔHrxn for combustion = −3227 kJ/mol) is used as a standard for calibrating bomb calorimeters. A 1.221-g sample burns in a calorimeter (heat capacity = 1365 J/°C) that contains exactly 1.350 kg of water. What temperature change is observed? C?
chemistry homework 19.(14 points total) Two common compounds used to generate energy are gasoline (C8H18) and...
chemistry homework
19.(14 points total) Two common compounds used to generate energy are gasoline (C8H18) and natural gas (mostly methane (CH4). Unfortunately, both methane and gasoline produce the greenhouse gas carbon dioxide (CO2) when combusted. a. (4 points) Balance the reactions below for the combustion of methane and gasoline. - CH4 (g) + __02(g) → __CO2(g) + ___ H20 (g) _C8H18 (g) +_02(g) → _CO2(g) +_H20 (g) b. (10 points) Which gas (25.0 g of methane or 25.0 g of...
1. 2. A bomb calorimeter, or a constant volume calorimeter, is a device often used to...
1.
2.
A bomb calorimeter, or a constant volume calorimeter, is a device often used to determine the heat of combustion of fuels and the energy content of foods In an experiment, a 0.3568 g sample of bianthracene (C28H18) is burned completely in a bomb calorimeter. The calorimeter is surrounded by 1.030x10 g of water. During the combustion the temperature increases from 25.45 to 28.29 °C. The heat capacity of water is 4.184 J gC The heat capacity of the...
questions e-f and g.and k. a) Use the 3 letter symbols for a 6 amino acid...
questions e-f and g.and k.
a) Use the 3 letter symbols for a 6 amino acid peptide chain containing at least one polar and at least one acidic or basic amino acid. (All at physiological pH.) Asp - Gly-Glu-Tyr- Phe- Ala OM b) Draw the primary structure with its peptide bonds, side chains, etc. in the correct order. CH3 NH - E-N -CH. - CH - C- 2-I U=0 -ch- & N-chi- CH₃ CH ₂ Coo CH н My Coo...
Ignition wires heat sample Thermometer Stirrer or a constant volume calorimeter, is a device often used...
Ignition wires heat sample Thermometer Stirrer or a constant volume calorimeter, is a device often used to determine the heat of combustion of fuels and the energy content of foods. A bomb calorimeter In an experiment, a 0.5942 g sample of 1,6-hexanediol (CH1402) is burned completely in a bomb calorimeter. The calorimeter is surrounded by 1.187x103 g of water. During the combustion the temperature increases from 27.27 to 30.44 °C. The heat capacity of water is 4.184 J gl°c-1. Water...
15.231 to 20.339 °C. The specific A dilute solution of hydrochloric acid with a mass of...
15.231 to 20.339 °C. The specific A dilute solution of hydrochloric acid with a mass of 605.02 g and containing 0.38266 mol of HCl was exactly neutralized in a calorimeter by the sodium hydroxide in 613.06 g of a comparably dilute solution. The temperature increased from heat of the HCl solution was 4.031 J.g1.0c-1; that of the NaOH solution was 4.046Jg-1.00-1. The heat capacity of the calorimeter was 77.99 .0c-1 Enter the balanced equation for the reaction. Include states in...
FULL SCREEN PRINTER VERSION BACK NEXT Additional Problem 6.098 A dilute solution of hydrochloric acid with...
FULL SCREEN PRINTER VERSION BACK NEXT Additional Problem 6.098 A dilute solution of hydrochloric acid with a mass of 608.38 g and containing 0.32862 mol of HCI was exactly neutralized in a calorimeter by the sodium hydroxide in 615.73 g of a comparably dilute solution. The temperature increased from 15.357 to 20.353 °C. The specific heat of the Ha solution was 4.031 ].g-1.0.1; that of the NaOH solution was 4.046 J-g-1.°C-1. The heat capacity of the calorimeter was 77.99 J.oC1...
1.
2.
* Incorrect. What is the heat of formation of elements in their standard states? Did you use the correct equation of products minus reactants? The amino acid glycine, C2H5NO2, is one of the compounds used by the body to make proteins. The equation for its combustion is 4C2H5NO2(s) + 902(g) + 8C02(g) +10H20(1) +2N2(0) For each mole of glycine that burns, 973.49 kJ of heat is liberated. Use this information, plus values of AHF for the products of...
The amino acid glycine can react to form a dipeptide
(glycylgycine) according to the following equation:
2 glycine (s) -----> glycylgycine (s) +
H2O (s)
a) Use the data below (taken from standard reference tables) to
calculate deltaHdegree (in kJ), deltaSdegree
(in J/K), and deltaGdegree (in kJ) corresponding to this
reaction at 25 celcius (SHOW WORK)
deltaHdegree (in kJ)
deltaSdegree (in J/K)
deltaGdegree (in kJ)
b) Will the reaction be more spontaneous (in the forward
direction) at body temperature (37...
A bomb calorimeter, or constant volume calorimeter, is a device often used to determine the heat of combustion of fuels and the energy sontent of foods. lastered Since the "bomb" itself can absorb energy, a separate experiment is needed to determine the heat capacity of the calorimeter. This is known as calibrating the calorimeter. In the laboratory a student burns a 0.500-g sample of benzoic acid (C H02) in a bomb calorimeter containing 1030. g of water. The temperature increases...
chemistry homework
19.(14 points total) Two common compounds used to generate energy are gasoline (C8H18) and natural gas (mostly methane (CH4). Unfortunately, both methane and gasoline produce the greenhouse gas carbon dioxide (CO2) when combusted. a. (4 points) Balance the reactions below for the combustion of methane and gasoline. - CH4 (g) + __02(g) → __CO2(g) + ___ H20 (g) _C8H18 (g) +_02(g) → _CO2(g) +_H20 (g) b. (10 points) Which gas (25.0 g of methane or 25.0 g of...
1.
2.
A bomb calorimeter, or a constant volume calorimeter, is a device often used to determine the heat of combustion of fuels and the energy content of foods In an experiment, a 0.3568 g sample of bianthracene (C28H18) is burned completely in a bomb calorimeter. The calorimeter is surrounded by 1.030x10 g of water. During the combustion the temperature increases from 25.45 to 28.29 °C. The heat capacity of water is 4.184 J gC The heat capacity of the...
questions e-f and g.and k.
a) Use the 3 letter symbols for a 6 amino acid peptide chain containing at least one polar and at least one acidic or basic amino acid. (All at physiological pH.) Asp - Gly-Glu-Tyr- Phe- Ala OM b) Draw the primary structure with its peptide bonds, side chains, etc. in the correct order. CH3 NH - E-N -CH. - CH - C- 2-I U=0 -ch- & N-chi- CH₃ CH ₂ Coo CH н My Coo...
Ignition wires heat sample Thermometer Stirrer or a constant volume calorimeter, is a device often used to determine the heat of combustion of fuels and the energy content of foods. A bomb calorimeter In an experiment, a 0.5942 g sample of 1,6-hexanediol (CH1402) is burned completely in a bomb calorimeter. The calorimeter is surrounded by 1.187x103 g of water. During the combustion the temperature increases from 27.27 to 30.44 °C. The heat capacity of water is 4.184 J gl°c-1. Water...
15.231 to 20.339 °C. The specific A dilute solution of hydrochloric acid with a mass of 605.02 g and containing 0.38266 mol of HCl was exactly neutralized in a calorimeter by the sodium hydroxide in 613.06 g of a comparably dilute solution. The temperature increased from heat of the HCl solution was 4.031 J.g1.0c-1; that of the NaOH solution was 4.046Jg-1.00-1. The heat capacity of the calorimeter was 77.99 .0c-1 Enter the balanced equation for the reaction. Include states in...
FULL SCREEN PRINTER VERSION BACK NEXT Additional Problem 6.098 A dilute solution of hydrochloric acid with a mass of 608.38 g and containing 0.32862 mol of HCI was exactly neutralized in a calorimeter by the sodium hydroxide in 615.73 g of a comparably dilute solution. The temperature increased from 15.357 to 20.353 °C. The specific heat of the Ha solution was 4.031 ].g-1.0.1; that of the NaOH solution was 4.046 J-g-1.°C-1. The heat capacity of the calorimeter was 77.99 J.oC1...
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