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Hot: Exothermic.
Cold: Endothermic
!WARNING PHYSICS FOLLOW!
Exothermic is where something has excess energy, which it then converts into heat and/or light energy, such as a fire.
Endothermic is where something sort of... has the reverse of too much energy. When you use an aerosol can, for example, the gas is let out at a very low boiling point, which uses up a load of energy and the can gets cold.
What else can I help you with?
Is sugar dissolves in warm water chemical change?
No, the dissolving of sugar in warm water is not a chemical change; it is a physical change. When sugar dissolves, it breaks down into its individual molecules, but its chemical structure remains unchanged. This process is reversible, as the sugar can be recovered by evaporating the water.
Is making Sugar into sugar syrup a physical change or chemical change?
Unless you overdo it and carmelize it, it is a physical change. A typical process is to dissolve a large amount of sugar into hot water (physical change - the sugar is still sugar and the water is still water; they do not react. If the sugar-water is not syrupy enough, you can boil off some of the water (still a physical change). If you overdo it though, you will begin to caramelize the sugar. If the sugar is sucrose, it breaks down into fructose and sucrose along with a host of other side reactions that condense, isomerize, dehydrate, fragment, polymerize, and otherwise chemically change the original sugar. Caramelization is definitely a chemical change, but it is not necessary to make syrup.
When you dissolve solid sugar into water this new solution will taste sweet the sugar went through a chemical change?
Dissolving sugar in water is a physical change, not a chemical change. The sugar molecules are still the same chemical substance before and after dissolving; they have simply spread out in the water. The sweet taste comes from the sugar molecules interacting with your taste buds, not from a chemical change taking place.
When Sugar dissolves in hot water a physical or chemical change?
When sugar dissolves in hot water, it is a physical change. This is because the sugar molecules are simply mixing with the water molecules but are not undergoing a chemical reaction to form new substances.
Is sugar dissolves in hot water a chemical change or physical change?
The dissolving of sugar in hot water is a physical change because it does not alter the chemical composition of either the sugar or the water. The sugar molecules are merely dispersed throughout the water molecules.
Is sugar dissolving a chemical or phyical change?
Sugar dissolving in water is a chemical change because sugar is Sucrose which in aqueous solution is broken down into Glucose and Fructose.
Is making Sugar into sugar syrup a physical change or chemical change?
Unless you overdo it and carmelize it, it is a physical change. A typical process is to dissolve a large amount of sugar into hot water (physical change - the sugar is still sugar and the water is still water; they do not react. If the sugar-water is not syrupy enough, you can boil off some of the water (still a physical change). If you overdo it though, you will begin to caramelize the sugar. If the sugar is sucrose, it breaks down into fructose and sucrose along with a host of other side reactions that condense, isomerize, dehydrate, fragment, polymerize, and otherwise chemically change the original sugar. Caramelization is definitely a chemical change, but it is not necessary to make syrup.
Is sugar dissolving in water physical change or chemical?
It is a physical change as you can change it back.
Is dissolving sugar in water a physical changes?
Yes, dissolving sugar in water is a physical change. If you let the water evaporate, you the sugar will be left behind. Evaporation is a physical process, not chemical.-No, It is a Chemical change.
When you dissolve solid sugar into water this new solution will taste sweet the sugar went through a chemical change?
Dissolving sugar in water is a physical change, not a chemical change. The sugar molecules are still the same chemical substance before and after dissolving; they have simply spread out in the water. The sweet taste comes from the sugar molecules interacting with your taste buds, not from a chemical change taking place.
When Sugar dissolves in hot water a physical or chemical change?
When sugar dissolves in hot water, it is a physical change. This is because the sugar molecules are simply mixing with the water molecules but are not undergoing a chemical reaction to form new substances.
When sugar is dissolving is that a chemical or physical change?
The change is physical because the change is reversible. Evaporate the water and you are left with the sugar, no new substances are produced; the sugar stays sugar and the water, water.
Is sugar dissolves in hot water a chemical change or physical change?
The dissolving of sugar in hot water is a physical change because it does not alter the chemical composition of either the sugar or the water. The sugar molecules are merely dispersed throughout the water molecules.
Suger cube dissolves in water is it chemical or physical change?
The dissolving of a sugar cube in water is a physical change, not a chemical change. This is because the sugar molecules are still present in the water; they have not undergone a chemical reaction to form new substances.
Is dissolving sugar into water a chemical or a physical change?
It is a physical change.
Is a cube of surgar dissolving in water a physical or chemical change?
This is a physical change the chemical composition of the sugar does not change
Is dissolving sugar in water and then letting it evaporate a chemical or physical change?
chemical
