Multiple Choice Questions (MCQs)
Arrhenius performed experiments that coorelated chemical reaction rate constants with
Points and is commonly used for determining initial rates and inhibition values.
Petroleum refineries use ________ to separate crude oil.
Chemists remove small samples of a reaction mixture at various times and analyze the concentration using ________.
________ is a liquid or solid with liquids dispersed through them.
A reaction rate found
Continuous Flow is a type of assay used to easily measure the progress of a reaction at discrete time points and is commonly used for determining ________ and inhibition values.
The differential rate law can show us how the ________ of the reaction changesin time, while the integrated rate equation shows how the ________ of species changes over time.
HCl is ________ molecule.
Concept of activation energy is given by ________?
The density of dilute aqueous solutions are close to ________?
A solution of water and sugar is called ________?
It is impossible to get pure ethanol by distilling any mixture of ethanol and water containing less than ________ of ethanol.
For gases, experimenters use a buret to measure the change in volume produced at different times. They then relate these volumes to changes in ________.
ΔGo is the change in Gibbs energy when the reaction happens at ________.
In a chemical reaction, the transition state is defined as the ________ energy state of the system.
The solution shows a decrease in melting point as the amount of solute is ________?
In fractional distillation collecting liquid with a ________, you may need to surround the collecting flask with a beaker of cold water or ice.
Fractional distillation of dilute nitric acid will enable you to collect ________ from the top of the fractionating column.
The reaction must be balanced with the coefficients written as ________ values in order to get the correct value for Kc.
Formation of double stranded DNA from two cpmplementary strands is
Reactants which have absorbance values which change during the course of the reaction are therefore necessary to perform a traditional?
________ shows how the concentration of species changes over time.
Conversion of a substance from vapor to liquid is?
If a catalyst is added to the reaction, the activation energy is lowered because
When ________ established. No unbalanced forces act on or within the system.
1 ppt is 1000-fold more dilute than 1 ppb and ________ more dilute than 1 ppm.
An azeotrope is a mixture that exhibits the same concentration in the ________?
If the molecules in the reactants collide with enough kinetic energy and this energy is ________ the transition state energy, then the reaction occurs and products formed.
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