The rate law uses the molar concentrations of reactants to determine the reaction rate. Hence, option (C) is the correct option
<h3>What is rate law ?</h3>
A rate law shows how the rate of a chemical reaction depends on reactant concentration.
For a reaction such as aA → products, the rate law generally has the form
rate = k[A]ⁿ,
where,
- k is a proportionality constant called the rate constant
- n is the order of the reaction with respect to A.
Typically, increased concentrations of reactants increases the speed of the reaction, because there are more molecules colliding and reacting with each other.
Hence , The rate law uses the molar concentrations of reactants to determine the reaction rate. Hence, option (C) is the correct option
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The answers is The buoyant force
Answer:
See explanation and image attached
Explanation:
This reaction is known as mercuric ion catalyzed hydration of alkynes.
The first step in the reaction is attack of the mercuric ion on the carbon-carbon triple bond, a bridged intermediate is formed. This bridged intermediate is attacked by water molecule to give an organomercury enol. This undergoes keto-enol tautomerism, proton transfer to the keto group yields an oxonium ion, loss of the mercuric ion now gives equilibrium keto and enol forms of the compound. The keto form is favoured over the enol form.
The equation that we will use to solve these two questions is:
c = lambda * f where:
c is the speed f the wave
lambda is the wavelength of the wave
f is the frequency of the wave
Question 1:
we want to find f
c is assumed to be the speed of light = 3*10^8 m/sec
lambda = 5.6 * 10^10 cm = 560 * 10^6 meters
Substitute in the equation to get f as follows:
3*10^8 = 560*10^6*f
f = (3*10^8) / (560*10^6) = 0.5357 Hz
Question 2:
we want to find lambda
c is assumed to be the speed of light = 3*10^8 m/sec
f is given as 0.1096 Hz
Substitute in the equation to get lambda as follows:
3*10^8 = lambda * 0.1096
lambda = (3*10^8) / (0.1096) = 2.737226*10^9 meters
