An acid can be defined as
2 answers:
Answer:
b. a proton donor.
Explanation:
An acid can be defined as a substance that produces hydrogen ions or H+ protons when dissolved in water, according to Arrhenius
It, also, can be defined as a molecule or ion which gives or donates a H+ protons when dissolved in water, according to Bronsted y Lowry
And, finally, according to Lewis, an acid can be defined as any compound that can accept a pair of electrons.
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Newton's first law of motion states that an object at rest will remain at rest unless an unbalanced force acts on it. If you apply balanced forces on the object there would be no net force. The body does not accelerate but instead stays at rest.
Another way to look at this problem is to use Newton's second law of motion. The first law states that , where
is the acceleration
is the net force and
is the mass of the object.
When F is zero, the acceleration of the object is zero. This means that if the object had a velocity of zero before the balanced forces started acting, the velocity will stay at zero after the balanced forces begin to act. If the object was moving at a constant velocity before the balanced forces started acting on it, it would continue at that constant velocity after the balanced forces begin to act.