Proteins in our body are made of particles with the shape of long chains. The image below shows particulate representations of a protein chain in two states. State A: An extended chain and State B: A coiled chain. The temperature is the same in states A and B. Which potential energy-number of configurations (PEC) diagram best represents these two states? Ep A A B # Conf Ep B B A A # Conf Ep B B C A # Conf Ep A D B # Conf

Proteins in our body are made of particles with the shape of long chains. The image below shows particulate representations of a protein chain in two states. State A: An extended chain and State B: A coiled chain. The temperature is the same in states A and B. Which potential energy-number of configurations (PEC) diagram best represents these two states? Ep A A B # Conf Ep B B A A # Conf Ep B B C A # Conf Ep A D B # Conf

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...

See similar textbooks

Similar questions

Consider the following thermochemical data: Cl2(g) → 2Cl(g) ΔH° = 242.3 kJ I2(g) → 2l(g) ΔH° = 151.0 kJ ICl(g) → l(g) + Cl(g) ΔH° = 211.3 kJ I2(s) → I2(g) ΔH° = 62.8 kJ Calculate ΔH° for the following reaction: ½I2(s) + ½Cl2(g) → ICl(g)
a. How much energy is required to decompose 850 g of PCl3, according to the reaction below? The molar mass of PCl3 is 137.32 g/mol and may be useful.4 PCl3(g) → P4(s) + 6 Cl2(g) ΔH°rxn = +1207 kJ b. The specific heat capacity of liquid water is 4.18 J/g-K. How many joules of heat are needed to raise the temperature of 6.00 g of water from 22.0°C to 57.0°C? 1.99 × 10-2 J 1.98 × 103 J 65.0 J 50.2 J 878 J
17. An ice cube is placed in a sealed insulated container of hot water at 80°C. After five minutes, the ice cube disappears. Ice Cube Heat ener Hot Water 5 min. Water Which best describes the change that took place inside the container? The total heat energy in the container was reduced by the ice cube. The hot water lost the same amount of heat energy as the ice cube gained. in the hot water was reduced by kinetic energy in the ice cube. O Heat energy in the ice cube was dissipated into the hot water.
Decide whether the statement is True or False
Which statement describes the effect of adding more energy to a system, assuming a phase change does not occur? O The particles within the system will have less motion, and the temperature will increase. O The particles within the system will have less motion, and the temperature will decrease. O The particles within the system will have greater motion, and the temperature will decrease. O The particles within the system will have greater motion, and the temperature will increase.
6. Suppose 1.0 x 102 grams of ice absorbs 1255 J of heat, reaching a final temperature of -2.0°C. What was the initial temperature change of the ice? The specific heat capacity of H20(s) = 2.1 J/(g.°C).
How much heat must be removed from a 90.5 g sample of benzene (M = 78.11 g mol-1) to cool the sample from 305 K to 215 K? The following physical data may be useful.ΔfusH = 9.8 kJ mol-1ΔvapH = 30.8 kJ mol-1Cs(l) = 1.73 J g-1 K-1Cs(s) = 1.51 J g-1 K-1Cs(g) = 82.4 J g-1 K-1 Tm = 279.0 KTb = 353.3 K Note: The word 'removed' in the question already accounts for the negative sign involved in the heat transfer. Express your answer to three significant figures.
Carbon monoxide and nitrogen monoxide gases combine to form carbon dioxide and nitrogen gases according to the following balanced chemical equation: 2 CO (g) + 2NO(g) → 2 CO₂ (g) + N₂ (g) AG° rxn NO: 0.01440 atm CO₂: 2.439 atm N₂: 2.137 atm = -689.6 kJ What will be the Gibbs free energy change (AGxn) in kJ if the reaction occurs at 28.86 °C? (4 sf) The partial pressures of the gases are: CO: 0.02798 atm mo
Please help. I need to undertsand how these types of problems are done
51
9:37 1 TikTok A student is investigating the process of cellular respiration and relates the energy changes involved in the process. C6H1206 + 6O2 – 6H2O + 6CO2 + energy Based on the cellular respiration equation, which of the following will be the correct ? O Endothermic graph because energy is absorbed. O Exothermic graph because energy is absorbed. O Exothermic graph because energy is released. O Endothermic graph because energy is released.
You have 500 g of dry ice at a temperature of 50 K. How much energy would it take to produce carbon dioxide gas heated to a temperature of 400оC? Specific heat of CO2(s) = 0.709 J/g K Specific heat of H2O(s) = 2.040 J/g K Specific heat of CO2(g) = 0.850 J/g K Specific heat of H2O(l) = 4.184 J/g K Specific heat of H2O(g) = 2.010 J/g K Freezing point (CO2) = -78.5оC Freezing point (H2O) = 273.15 K Latent heat of sublimation (CO2) = 199 J/g Latent heat of fusion (H2O) = 334 J/g Latent heat of vaporization (H2O) = 2260 J/g