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Is it true that If a reaction in one direction releases energy the reaction in the opposite direction cannot occur?
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Does completeness of a reaction imply that the reaction cannot be reversed?
This is not entirely true.It depends upon the reaction.Some reaction which are reversible can be reversed when suitable force is applied in the opposite direction.Here the force implies Pressure and heat.
What of the above reaction?
This cannot be answered. You will have to give me more detail.
What would happen if there wasn't enough activation energy in a chemical change?
If the activation energy for a particular chemical reaction was not available the reaction cannot proceed. The chemical reaction cannot proceed without activation energy and cannot form products.
Can antacid reaction be reversed?
no. it is a chemical reaction. and so it cannot be reversed.
What is the balanced equation for the reaction of phosphoric acid and acetic acid?
There is no reaction. Two acids cannot react with each other.
When do action and reaction forces cancel out each other?
Well in a single action-reaction pair, they cannot cancel out! The action and reaction forces act on different bodies. Lets say that we have a football. I kick it with 200 N of force. That is the action force, so the reaction force must be 200N(in the opposite direction) as well. The key here is that the reaction force did not act on the football, but on your foot! So the net force of the football is still 200 N in the direction I kicked it!Hope this helps some,-Sk Inventor
Can a speed of a body be negative?
The 'speed' of a body cannot be negative. But if you are stating the 'velocity' then it can be negative. Negative velocity means it is going opposite to the direction that you decided to call the positive direction.
If a person is attracted to the center of the earth by 500N gravitational force the force of attraction of the earth toward a person is?
for every action there is a reaction equal in magnitude and opposite in direction. the Earth is pulled by the person with 500n as well but this cannot be seen because the earth 's mass is enormous.
What affects whether a resultant force accelerates or decelerates an object?
Deceleration is merely acceleration in a direction opposite to the original motion. If something isnt moving it cannot be decelerated but if it is moving and the resultant force acts in the opposite direction to motion it will decelerate the object.
What is the difference between endothermic and exothermic?
An endothermic reaction absorbs heat. It cannot proceed without the addition of heat. An exothermic reaction releases heat. Since heat causes chemical reactions to go faster, an exothermic reaction can "feed on itself" and get out of control, releasing damaging amounts of heat and, if proceeding in a closed container, causing an explosion.
What part of a force does work when the direction of the force and the direction of motion are not the same?
Force only takes place in the direction of the motion. It cannot be any other way. It could be argued that the action of a cars tyres on the road applies to your question. The car moves forward while the tyres push the earth in the opposite direction. However the tyres are the motion supplying the force and not the car moving in the opposite direction..
Are glowsticks reusuable?
No, a glow stick cannot be reused. When the stick is broken, the chemicals, which have been held separate, are released. They will mix and begin the reaction that releases the light. The reaction will continue until the chemicals are "used up" and the stick stops glowing. The light stick cannot then be reused.
If a cluster of stars faces one direction at 900 pm in one location in the sky how can that same cluster stars be in the same location at 400 in the morning but pointing in the opposite direction?
It cannot be the same cluster due to the rotation of the earth
Can a tornado's rotation be reversed?
An individual tornado cannot change the direction that it rotates, however in rare cases a tornado may rotate in the opposite direction from what is norm (nearly all tornadoes rotate counterclockwise in the northern hemisphere, and clockwise in the southern).
Can grasshoppers crawl?
No, a grasshopper cannot crawl. A grasshopper's rear legs are bent in the opposite direction of a human's legs, so it is impossible for a grasshopper to crawl on its knees like a human.
What are comparative and superlative form of Opposite?
Opposite is an absolute. There cannot be something which is more or most opposite.
What is a ''non'' reversible reaction?
A reaction which cannot be reversed is called an Irreversible reaction.
