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Q: For a reaction, `A+Brarr` Product, the rate law is given by `r=k[A]^((1)/(2))[B]^(2)`. What is the order of the reactio ?
    For a reaction, A+B→ Product, the rate law is given by r=k[A] 1 2 [B]2 . What is the order of the reactio ? Select the correct answer from above options...
asked Jan 4, 2022 in Education by JackTerrance
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Q: The conversion of molecules `X` to `Y` follows second order kinetics. If the concenration of `X` is increased to three times, how will it affect the r
    The conversion of molecules X to Y follows second order kinetics. If the concenration of X is increased to three ... formation of Y ? Select the correct answer from above options...
asked Jan 4, 2022 in Education by JackTerrance
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Q: A first order reaction has a rate constant `1.15xx10^(-3)s^(-1)`. How long will `5g` of this reactant take to reduce to `3g`` ?
    A first order reaction has a rate constant 1.15×10-3s-1 . How long will 5g of this reactant take to reduce to 3g ` ? Select the correct answer from above options...
asked Jan 4, 2022 in Education by JackTerrance
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Q: Time required to decompose `SO_(2)Cl_(2)` to half of its intial amount is `60 mi n.` If the decomposition is a first order reaction, calculate the rat
    Time required to decompose SO2Cl2 to half of its intial amount is 60min. If the decomposition is a first order ... of the reaction. Select the correct answer from above options...
asked Jan 4, 2022 in Education by JackTerrance
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Q: What will be effect of temperature on rate constant ?
    What will be effect of temperature on rate constant ? Select the correct answer from above options...
asked Jan 4, 2022 in Education by JackTerrance
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Q: The rate of the chemical reaction doubles for an increase of `10K` in absolute temperature from `300K`. Calculate `E_(a)`.
    The rate of the chemical reaction doubles for an increase of 10K in absolute temperature from 300K . Calculate Ea . Select the correct answer from above options...
asked Jan 4, 2022 in Education by JackTerrance
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Q: The activation energy for the reaction `:` ltbr. `2Hl(g) rarr H_(2)(g)+I_(2)(g)` is `209.5 kJ mol^(-1)` at `581K`. Calculate the fraction of molecules
    The activation energy for the reaction : ltbr. 2Hl(g)→H2(g)+I2(g) is 209.5kJmol-1 at 581K . ... greater than activation energy ? Select the correct answer from above options...
asked Jan 4, 2022 in Education by JackTerrance
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Q: From the rater expression for the following reactions, determine their order of reaction and dimensions of the rate constants. `a. 3NO(g) rarr N_(2)O(
    From the rater expression for the following reactions, determine their order of reaction and dimensions of the rate ... k[C2H5Cl] Select the correct answer from above options...
asked Jan 4, 2022 in Education by JackTerrance
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Q: For the reaction `:` `2A+B rarr A_(2)B` the rate `=k[A][B]^(2)` with `k=2.0xx10^(-6)mol^(-2)L^(2)s^(-1)`. Calculate the initial rate of the reaction w
    For the reaction : 2A+B→A2B the rate =k[A][B]2 with k=2.0 10-6mol-2L2s-1 . Calculate the initial rate of ... is reduced to 0.06molL-1 . Select the correct answer from above options...
asked Jan 4, 2022 in Education by JackTerrance
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Q: The rate for the decomposition of `NH_(3)` on platinum surface is zero order. What are the rate of production of `N_(2)` and `H_(2)` if `K = 2.5 xx 10
    The rate for the decomposition of NH3 on platinum surface is zero order. What are the rate of production of N2 ... 10-4mollitre-1s-1? Select the correct answer from above options...
asked Jan 4, 2022 in Education by JackTerrance
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Q: The decomposition of dimethyl ether leads to the formation of `CH_(4),H_(2),` and `CO` and the reaction rate is given by Rate `=k[CH_(3)OCH_(3)]^(3//2
    The decomposition of dimethyl ether leads to the formation of CH4,H2, and CO and the reaction rate is given by ... and rate constant ? Select the correct answer from above options...
asked Jan 4, 2022 in Education by JackTerrance
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Q: Mention the factors that affect the rate of a chemical reaction.
    Mention the factors that affect the rate of a chemical reaction. Select the correct answer from above options...
asked Jan 4, 2022 in Education by JackTerrance
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Q: A reaction is second order with respect to a reaction. How is the rate of reaction affected if the (a) doubled, (b) reduced to `1//2`?
    A reaction is second order with respect to a reaction. How is the rate of reaction affected if the (a) doubled, (b) reduced to 1/2 ? Select the correct answer from above options...
asked Jan 4, 2022 in Education by JackTerrance
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Q: What is the effect of temperature on the rate constant of a reactiion ? How can this temperature effect on rate constant be represented quantitatively
    What is the effect of temperature on the rate constant of a reactiion ? How can this temperature effect ... quantitatively ? Select the correct answer from above options...
asked Jan 4, 2022 in Education by JackTerrance
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Q: A reaction is first order in `A` secod order in `B`: (i) write differential rate equation. (ii) How is the rate affected when the concentration of `B`
    A reaction is first order in A secod order in B : (i) write differential rate equation. (ii) How is the rate ... A and B is doubled? Select the correct answer from above options...
asked Jan 4, 2022 in Education by JackTerrance
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Q: Calculate the half life of a first order reaction from their rate constants given below `:` `a. 200s^(-1)`,`b. 2 mi n^(-1)`,`c.4years^(-1)`
    Calculate the half life of a first order reaction from their rate constants given below : a.200s-1 ,b.2min-1 ,c.4years-1 Select the correct answer from above options...
asked Jan 4, 2022 in Education by JackTerrance
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Q: The half life for radioactive decay of `.^(14)C` is 5730 years. An archaeological artifact containing wood had only `80%` of the `.^(14)C` found in a
    The half life for radioactive decay of .14C is 5730 years. An archaeological artifact containing wood had only 80% ... of the sample. Select the correct answer from above options...
asked Jan 4, 2022 in Education by JackTerrance
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Q: The rate constant for a first order reaction is `60s^(-1)`. How much time will it take to reduce the initial concentrationof the reactant to its `1//1
    The rate constant for a first order reaction is 60s-1 . How much time will it take to reduce the initial ... 1/16th value ? Select the correct answer from above options...
asked Jan 4, 2022 in Education by JackTerrance
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Q: During nuclear explosion, one of the products is `.^(99)Sr` with half`-` life of `28.1 `years. If `1 mug` of `.^(90)Sr` was absorbed in the bones of a
    During nuclear explosion, one of the products is .99Sr with half- life of 28.1 years. If 1μg of .90Sr ... is not lost metabolically. Select the correct answer from above options...
asked Jan 4, 2022 in Education by JackTerrance
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Q: For a first order reaction, show that the time required for `99%` completion is twice the time required for the completion of `90%` of reaction.
    For a first order reaction, show that the time required for 99% completion is twice the time required for the ... 90% of reaction. Select the correct answer from above options...
asked Jan 4, 2022 in Education by JackTerrance
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Q: A first reaction takes `40 mi n ` for `30%` decomposition. Calculate `t_(1//2)`.
    A first reaction takes 40min for 30% decomposition. Calculate t1/2 . Select the correct answer from above options...
asked Jan 4, 2022 in Education by JackTerrance
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Q: The rate constant for the decomposition of hydrocarbons is `2.418xx10^(-5)s^(-1)` at `546K`. If the energy of activation is `179.9kJ mol^(-1)`, what w
    The rate constant for the decomposition of hydrocarbons is 2.418 10-5s-1 at 546K . If the energy of ... pre- exponential factor? Select the correct answer from above options...
asked Jan 4, 2022 in Education by JackTerrance
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Q: Consider a certain reaction `A rarr` Products with `k=2.0xx10^(-2)s^(-1)`. Calculate the concentration of `A` remaining after `100s` if the initial co
    Consider a certain reaction A→ Products with k=2.0 10-2s-1. Calculate the concentration of A remaining after 100s if ... is 1.0molL-1. Select the correct answer from above options...
asked Jan 4, 2022 in Education by JackTerrance
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Q: Sucrose decomposes in acid solution into glucose and fructose according to the first order rate law, with `t_(1//2)=3.00hr.` What fraction of sample o
    Sucrose decomposes in acid solution into glucose and fructose according to the first order rate law, with t1/2=3. ... after 8hr ? Select the correct answer from above options...
asked Jan 4, 2022 in Education by JackTerrance
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Q: The decomposition of hydrocarbon follows the equation `k=(4.5xx10^(11)s^(-1))e^(-28000K//T)` Calculate `E_(a)`.
    The decomposition of hydrocarbon follows the equation k=(4.5×1011s-1)e-28000K/T Calculate Ea . Select the correct answer from above options...
asked Jan 4, 2022 in Education by JackTerrance
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Q: The rate constant for the first order decompoistion of a certain reaction is described by the equation `log k (s^(-1)) = 14.34 - (1.25 xx 10^(4)K)/(T)
    The rate constant for the first order decompoistion of a certain reaction is described by the equation logk(s-1)= ... periof be 256min? Select the correct answer from above options...
asked Jan 4, 2022 in Education by JackTerrance
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Q: The decomposition of `A` into product has value of `k` as `4.5xx10^(3)s^(-1)` at `10^(@)C` and energy of activation of `60kJmol^(-1)`. At what tempera
    The decomposition of A into product has value of k as 4.5 103s-1 at 10∘C and energy of activation of 60kJmol-1 . At ... be 1.5 104s-1? Select the correct answer from above options...
asked Jan 4, 2022 in Education by JackTerrance
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Q: The time required for `10%` completion of a first order reaction at `298K` is equal to that required for its `25%` completion at `308K` . If the value
    The time required for 10% completion of a first order reaction at 298K is equal to that required for its 25% ... 318K and Ea . Select the correct answer from above options...
asked Jan 4, 2022 in Education by JackTerrance
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Q: The rate of a reaction quadruples when the temperature changes from `293K` to `313K`. Calculate the energy of activation of the reaction assuming that
    The rate of a reaction quadruples when the temperature changes from 293K to 313K . Calculate the energy of ... with temperature. Select the correct answer from above options...
asked Jan 4, 2022 in Education by JackTerrance
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Q: Why cooking food in an open vessel takes more time at a hill station ?
    Why cooking food in an open vessel takes more time at a hill station ? Select the correct answer from above options...
asked Jan 4, 2022 in Education by JackTerrance
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