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What is first order kinetics?
First-order kinetics refers to a reaction in which the rate is directly proportional to the concentration of one reactant. This means that the reaction proceeds at a speed determined by the concentration of the reactant involved, leading to a constant half-life. The rate constant for a first-order reaction has units of 1/time.
Which of Newton's Laws describes that a large massive body requires a large force to change speed quickly?
Newton's second law states that the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass. Therefore, a large massive body requires a larger force to change speed quickly because its mass increases the inertia that opposes the change in speed.
Why are catalysts spread out in a reaction?
Catalysts are chemicals that alter the rate of a chemical reaction without being chemically changed themselves . However to alter the rate of the reaction , the catalysts need to come in contact with the reactant particles. Spreading out the catalyst increases its surface area , hence increases the chances of coming in contact with the reactant particles . So they are able to provide the reactant particles an alternative route with a lower activation energy for the reactant particles to collide and form the product .
How does each factor affect transmission of sound waves?
Pressure does not make any change in the speed of sound But temperature affects it. Velocity is proportional to the square root of kelvin temperature Humidity also affects the speed of sound. Higher the humidity more the speed
How elasticity of a medium affects the speed at which sound travels?
by causeing larger sound waves through objects
The speed at which a reactant will change to a product is proportional to its?
The speed at which a reactant will change to a product is proportional to its concentration. This relationship is described by the rate law of the reaction. Changes in other factors, such as temperature and the presence of catalysts, can also affect the reaction rate.
The frequency of a wave is inversaely proportional to what?
Frequency is inversely proportional to the wavelength.Their product is always the speed of the wave.
How does a change in speed affect acceleration?
Acceleration is directly proportional to the change in speed. If the speed increases, acceleration is positive. If the speed decreases, acceleration is negative. The magnitude of acceleration is determined by the rate at which the speed changes.
What is the relationship between waveleanghts and frequences?
-- Wavelength and frequency are inversely proportional. -- When you multiply them together, the product is the speed of the wave.
Are speed and distance directly proportional or inversely proportional?
Directly proportional. Greater speed - greater distance.
Does momentum change if Speed changes?
Yes, momentum changes when speed changes because momentum is directly proportional to an object's velocity. When an object's speed changes, its momentum will also change accordingly.
How is frenquency and wavelength related in electromagnetic waves?
Their product is always the same number . . . the speed of light . . . so they are inversely proportional.
When the speed of a body is tripled what is the change in its kinetic energy?
Kinetic energy is proportional to the square of the speed. That means that with three times the speed you get nine times the energy.
What is first order kinetics?
First-order kinetics refers to a reaction in which the rate is directly proportional to the concentration of one reactant. This means that the reaction proceeds at a speed determined by the concentration of the reactant involved, leading to a constant half-life. The rate constant for a first-order reaction has units of 1/time.
How does linear speed change as rotational speed changes?
At any distance from the axis of rotation, the linear speed of an object is directly proportional to the rotational speed. If the linear speed increases, the rotational speed also increases.
What is the proportional between frequency and wavelength?
The relationship between frequency and wavelength is inversely proportional. This means that as the frequency of a wave increases, its wavelength decreases, and vice versa. Mathematically, this relationship can be expressed as: frequency = speed of light / wavelength.
Is an example of bending a chemical reaction?
An example of bending a chemical reaction could be using a catalyst to speed up the reaction or changing the reaction conditions to favor the formation of a particular product. Another example could be altering the reactant concentrations to shift the equilibrium towards the desired product.
