PHYSICAL
Does the appearance change or does it stay the same?
The Appearance changes
Formation of a new product,is it a chemical change?
YESSSS!
what is a chemical equation?
A chemical equation shows the change that occurs in a reaction.
Does the substance change ?
Nope, It remains the same
A format of a precipitate is a... ( chemical or physical change )
Chemical
RXN means ....
Atoms move around or phase change
Give two examples of physical change ?
EX: melting ice, boiling water, breaking a glass, shredding paper, dissolving sugar in water, and crushing a can
TRUE OR FALSE : Are the atoms in a substance rearranged into a new substance?
TRUEEEEEEEEE!
True or false: Does the mass stay the same before and after RXN?
Trueeee
Is a physical change reversible ?
Yes,Many physical changes are reversible, meaning you can often return the substance to its original state. For example, you can refreeze melted ice
What are some examples of chemical changes?
EX: Burning wood, rusting iron, cooking an egg, baking a cake, and milk souring are all examples of chemical changes.
What does the law of conservation of mass say?
matter is neither created nor destroyed by chemical RXN or physical changes
Is burning paper a physical or chemical change?
Chemical
Is mixing baking soda and vinegar a chemical or physical change?
Mixing baking soda and vinegar is a chemical change because it produces carbon dioxide gas, a new substance.
True or False : The products go on the left side of the equation and the Reactants go on the right side of the equation?
Falsee!