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What represents a chemical reaction is it a sugar cube dissolving in water ice cubes forming in a freezer or a cake baking in the oven?
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Is the dissolving salt in water a chemical or physical change?
It is a chemical change because of sodium and hydrogen bonds forming
Why is an element's miscibility a physical property?
Because no chemical reaction occurs. The two (or more) miscible chemical species retain their chemical identity, rather than forming a new compound via a chemical reaction.
When coal burns is it a chemical reaction?
Burning coal is a chemical process in which coal reacts with oxygen and forming carbon doxide and or monoxide.
Is rust forming on the metal gate is a physical or chemical change?
Rust forming on a metal gate is a chemical change. It is a result of a chemical reaction between iron, oxygen, and water, which leads to the formation of iron oxide (rust).
Why the formation of water in the car engine is a chemical change but when ice melts it is not a chemical change?
Ice melting would look like this in a chemical reaction equation: H2O+heat=H2O This is not a chemical reaction, but a thermal one. Water forming in a car engine would look more like this: 2H+O+heat=H2O This is a chemical reaction
Is a salt forming a chemical reaction?
yes it is
What are the four possible outcomes of mixing two chemicals in solution?
- forming a homogeneous solution- forming a precipitate by chemical reaction- sedimentation of an insoluble phase, without chemical reaction
What is the breaking and forming of chemical bonds that leads to a change in the composition of matter?
A chemical reaction.
Definition of chemical reaction?
the process of forming new substances from reactants that involves the breaking and forming of chemical bonds.
Is the dissolving salt in water a chemical or physical change?
It is a chemical change because of sodium and hydrogen bonds forming
What are the characteristics of any chemical reaction?
forming of white precipitates . release of heat .
Is ice cubes forming in the freezer a chemical reaction?
No, freezing water is a physical change, not a chemical one since no chemical reaction takes place. The water molecule (H2O) remains the same even though the physical state changes from a liquid to a solid.
Why is an element's miscibility a physical property?
Because no chemical reaction occurs. The two (or more) miscible chemical species retain their chemical identity, rather than forming a new compound via a chemical reaction.
Is solubilty the same as a chemical Change?
Solubility is forming of chemical bonds between solute molecules and solvent molecules, hence a chemical reaction.
Setting of a jelly-is it a chemical change?
Yes, it is. This is because there is a physical change. Being a liquid forming a solid. There is a chemical reaction when the hot water is added to the powder, forming a liquid, which is cooled, forming a solid
What is the meaning of a chemical equation?
A chemical equation is defined as the short-hand representation of a true chemical reaction with the help of symbols and formula.We must finish our chemical reaction with as many atoms of each element as when we started.The chemical reaction takes place on the reactant side forming the products.
What is the chemical reaction of maple syrup crystals forming?
There is no chemical reaction. In maple syrup the sugar is dissolved in water. When the water evaporates the sugar comes out of solution and forms crystals.
