A slightly bruised apple will rot extensively in about 3.5 days at room temperature (26.0°C). If it is kept in the refrigerator at 1.0 °C, the same extent of rotting takes about 16 days. What is the activation energy for the rotting reaction?

Q: The decomposition of dinitrogen pentaoxide has an activation energy of 102 kJ/mol and AH°ran =+ 55…

A: Note - Since you have asked multiple question, we will solve the first question for you. If you…

Q: Based on their activation energies and energy changesand assuming that all collision factors are the…

A: As we know that the reaction with the largest activation energy would have the slowest rate and vice…

Q: The water in a pressure cooker boils at a temperature greater than 100°C because it is under…

A:

Q: What is the activation energy for a reaction if k = 1.89 × 10–1 s–1 at 541 Kelvin and k = 5.93 s–1…

A: At one condition, Temperature (T1) = 541 K Rate Constant (k1) = 1.89 × 10-1 s-1   At another…

Q: A slightly bruised apple will rot extensively in about 2.5 days at room temperature (24.0 ° C). If…

A: The minimum amount of energy required by reactant molecules to participate in a reaction called…

Q: A substance decomposes with a rate constant of 9.05 × 10⁻⁴ s⁻¹. How long does it take for 15.0% of…

A: Rate constant is 9.05×10-4 s-1 Let consider Initial concentration = 100 M Final concentration = 100…

Q: The half-life for the radioactive decay of U-238 is 4.5 billion years and is independent of initial…

A:

Q: The rate constant for a reaction at 40.0°C is exactly 3 times that at 20.0°C. Calculate the…

A: Chemical kinetics:

Q: The half-life for the radioactive decay of C-14 is 5730 years and is independent of the initial…

A: Rate constant is calculated using given half-life value:

Q: It takes about 3.0 minutes to cook a hard-boiled egg in Los Angeles, but at the higher altitude of…

A: Given: Time required at 100 oC (i.e. in Los Angeles) = 3.0 min, And time required at 92.0 oC (i.e.…

Q: A slightly bruised apple will rot extensively in about4 days at room temperature (20°C). If it is…

A:

Q: At 28 °C, raw milk sours in 4.0 h but takes 48 h to sour in a refrigerator at 5 °C. Estimate the…

A: Activation energy (Ea) is the minimum energy required for the occurrence of a chemical reaction.…

Q: The decomposition of hydrogen peroxide (H202(aq)) is proposed to follow a reaction mechanism of:…

A: Catalyst is the one that speeds up a chemical reaction by lowering activation energy of reaction.…

Q: Problem:  It takes about 3.0 minutes to cook a hard-boiled egg in Los Angeles, but at the higher…

A: To cook a hard-boiled egg at Los Angeles, it takes 3.0 minutes. Thus, the rate constant K1 is equal…

Q: Ammonia will react with oxygen in the presence of a copper catalyst to form nitrogen and water. From…

A: Given,Initial temperature (T1) = 164.50C = 437.65K.Final temperature (T2) = 179.00C = 452.15K.Rate…

Q: If the activation energy of a chemical reaction is 185 kJ/mol and its AH is 24 kJ/mol, what would…

A: Given-> Activation energy of forward reaction (Ea) = 185 KJ/mole ∆H = 24 KJ/mole

Q: Pls help

A: Since you've posted multiple questions.we will solve the first question for you. To get the…

Q: The rate of a reaction doubles when the temperature is increased from 25°C to 37° C (in other words…

A:

Q: The rate constant for a reaction at 40.0°C is exactly 5 times that at 20.0°C. Calculate the…

A: For every reaction an input of energy is needed to activate the reaction, this is called activation…

Q: One form of DNA damage, methylation, destabilizes adenosine residues. At 37 °C, the t1/2 for…

A:

Q: Which of these properties does not apply to a catalyst? a) It reduces the overall activation energy…

A: Answer is option b (It increases the number of collisions).    Catalyst will not increase the number…

Q: The chirping rate of an insect, a result of biochemical reactions, is found to increase with…

A:

Q: A reaction has an activation energy of 195.0 kJ/mol. When the temperature is increased from 200°C to…

A:

Q: A possible reaction for the degradation of the pesticide DDT to a less harmful compound was…

A: Consider the given information is as follows; Order of the reaction = 1 (First order)         Rate…

Q: Determine the activation energy of the reaction in kJ/mol where the rate of a certain reaction…

A: a. Given : Activation energy, E a=? kJ/mol Rate constant at 441.15 K, k2 =3.609 k T2=441.15 K Rate…

Q: A given chemical reaction is being conducted at both 0.00 °C and 50.0 °C. The activation energy is…

A:

Q: What

A: We will calculate activation energy

Q: The chirping rate of a cricket, X, in chirps per minute near room temperature, is X = 7.2t – 32…

A: The chirping rate of a cricket,X in chirps/min at room temperature is ,  X = 7.2t - 32  Given that,…

Q: Experiments have shown that the average frequency of chirping by a snowy tree cricket (Oecanthus…

A: For Arrhenius equation , ln(k2/k1) = (Ea/R)[(1/T1)-(1/T2)] where k1 and k2 are the rate constant at…

Q: What is the activation energy for a reaction if k= 1.89 X 10^-8 s^-1 at 540 degrees Kelvin and k=…

A:

Q: 23. Experiments during a recent summer on a number of fireflies (small beetles, Lampyridaes photi-…

A: The expression of Arrhenius equation is shown below: lnK = lnA -EaRT Where; K = rate constant A =…

Q: What is the activation of the forward reaction if the reactants have a ∆G = –10 kJ, the transition…

A:

Q: the half-life of radium 226 is 1620 years. how many hours will it take for a 5g sample to decay to…

A: The radioactive decay is a first order reaction. Since we know that the relationship between the…

Q: 1,200 Determine the forward activation energy and change in for a reaction from the graph below. A)…

A:

Q: The rate constant of a reaction is 0.38s-1 at 727 C and 0.87s-1 at 757C. Calculate the activation…

A: The equation for determining the activation energy is as follows,                   Where, Ea is…

Q: Assuming that the collision factor remains the same, by what factor will the catalyst increase the…

A:

Q: A substance decomposes with a rate constant of 9.05 × 10⁻⁴ s⁻¹. How long does it take for 23.0% of…

A: We have to find time for 23% decomposition

Q: The activation energy (Ea) for the reaction 4S(s) + CH4 (g) → CS2 (g) + 2 H2S (G) DH° = - 1040.6…

A: The relationship between the activation energies and enthalpy change is given by  Eaf - Ear = ΔH…

Q: A substance decomposes with a rate constant of 9.05 × 104 s1. How long does it take for 17.0% of the…

A:

Q: The activation energy of an uncatalyzed reaction is 94 kJ/molk. The addition of a catalyst lowers…

A:

Q: If a temperature increase from 10.0 °C to 20.0 °C doubles the rate constant for a reaction, what is…

A: Given information:Initial temperature (T1) = 10.0 °CFinal temperature (T2) = 20.0 °CRate constant k1…

Q: The activation energy of an uncatalyzed reaction is 95 kJ/mol. The addition of a catalyst lowers the…

A:

Q: The half-life for the radioactive decay of U-238 is 4.5 billion years and is independent of initial…

A: Radio-active decay follows first order kinetics. The integrated rate equation for the first order…

Q: A boiled egg can be cooked at 100.0°C in exactly 5 minutes. At an altitude of around 2000 m where…

A: Given: T1 is 100.0°C. t1 is 5 min. T2 is 93.0°C. t2 is 7.5 min.