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Water has three states
Solid (ice)
liquid (water)
gas (steam)
When water is heated it expands and when it is cooled it contracts until about 4 degrees Celsius when it begins to expand again.
So the answer to your question is it depends on what temperature the water is. If it is a liquid and over 4 degrees then it will expand. If it is not frozen but somewhere between 0 and 4 degrees it will contract until about 4 degrees and then expand. Under 0 degrees it is ice not water, over 100 degrees it is steam not water.
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What is the difference between heat of reaction and molar heat of reaction?
Heat of a reacion is the totall amount of heat a reaction produces. Molar heat of a reaction is the heat produced/mol if you have the molar hear of the reaction you can calculate the heat of the reaction based on the moles of reactants you have
What is the type of heat reaction which occurs when heat is given off by the reaction?
Heat is released during an exothermic reaction.
How is heat included in the equation of an exothermic reaction?
Heat is written as a product of the reaction (apecs answer)
When heat is increased does the chemical reaction speed up?
The effect of heat on a chemical reaction will depend on whether the chemical reaction is exothermic (producing heat), or endothermic (requiring an input of heat). If the reaction is endothermic, then adding heat will increase the speed, but the opposite is true for an exothermic reaction.
What is a endopthermic reaction?
An endothermic reaction is a reaction where heat flows from the surroundings in to the system. Holding an cold pack to your skin is an endothermic reaction; heat flows from your skin (surroundings) into to the cold pack (system).
What is the difference between heat of reaction and molar heat of reaction?
Heat of a reacion is the totall amount of heat a reaction produces. Molar heat of a reaction is the heat produced/mol if you have the molar hear of the reaction you can calculate the heat of the reaction based on the moles of reactants you have
What is heat of the reaction is releasesd?
If heat from a reaction is released, it is an exothermic reaction.
What is a chemical reaction that absorbs heat?
An endothermic reaction absorbs heat, an exothermic reaction releases heat.
What is the type of heat reaction which occurs when heat is given off by the reaction?
Heat is released during an exothermic reaction.
What is a heat reaction?
This the heat released during a chemical reaction.
How are endothermic reaction different from exothermic reaction?
Exothermic reaction: with release of heat Endothermic reaction: with absorption of heat
How does temperature affects reaction rate?
if the reaction is exothermic (creates heat) then adding heat will cause the reaction to run in the reverse direction if the reaction is endothermic (requires heat) then heat will speed it up
What happens in an endothermic reaction?
An endothermic reaction need heat to occur.
What is water roles in the light reaction of photosynthesis?
what is waters roles in the light reaction of photosynthesis
How is heat included in the equation of an exothermic reaction?
Heat is written as a product of the reaction (apecs answer)
A reaction that absorbs energy is called?
Endothermic-take in Heat, as opposed to exothermic which gives off heat-like a fire or explosion.
When heat is increased does the chemical reaction speed up?
The effect of heat on a chemical reaction will depend on whether the chemical reaction is exothermic (producing heat), or endothermic (requiring an input of heat). If the reaction is endothermic, then adding heat will increase the speed, but the opposite is true for an exothermic reaction.
