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Which of the following usually increases the rate of a reaction?
acceleration
Grinding a solid reactant into a powder.
gravity
the gravitional force is the same.
friction
weight
in a chemical reaction , energey is neither created nor destryoed, but can change in form
motion
What states the law of conservations of energy?
acceleration
Grinding a solid reactant into a powder.
gravity
the gravitional force is the same.
friction
weight
in a chemical reaction , energey is neither created nor destryoed, but can change in form
motion
Everything on earth is pulled downward toward the center by
acceleration
Grinding a solid reactant into a powder.
gravity
the gravitional force is the same.
friction
weight
in a chemical reaction , energey is neither created nor destryoed, but can change in form
motion
The reason mass and weight are the same everywhere on earth is because
acceleration
Grinding a solid reactant into a powder.
gravity
the gravitional force is the same.
friction
weight
in a chemical reaction , energey is neither created nor destryoed, but can change in form
motion
You must describe the position, speed, and direction of motion of an object in order to fully describe its...
acceleration
Grinding a solid reactant into a powder.
gravity
the gravitional force is the same.
friction
weight
in a chemical reaction , energey is neither created nor destryoed, but can change in form
motion
A measure of the gavitational force exerted on an object is the
acceleration
Grinding a solid reactant into a powder.
gravity
the gravitional force is the same.
friction
weight
in a chemical reaction , energey is neither created nor destryoed, but can change in form
motion
The rate at wich velocity changes over time is
acceleration
Grinding a solid reactant into a powder.
gravity
the gravitional force is the same.
friction
weight
in a chemical reaction , energey is neither created nor destryoed, but can change in form
motion
Wich is a common unbalaced force acting on objects in motion?
acceleration
Grinding a solid reactant into a powder.
gravity
the gravitional force is the same.
friction
weight
in a chemical reaction , energey is neither created nor destryoed, but can change in form
motion
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