Yes. See the Law of Conservation of Mass.
Your mass will stay the same no matter where you go.
Yes, no gas is given off, therefore the mass of conversation will stay the same.
Calcium Chloride is a complete salt.There are no replaceble H+ or OH-.So it does not react with NaHCO3.So there is no change of mass.
Your mass will stay the same. Mass is always the same no matter what.
Your mass would stay the same. Mass is the amount of matter in an object, so your mass would stay at 68kg.
After water has been boiled, its mass will stay the same.
mass mass
Yes
The two properties of a crayon that will stay about the same after being melted is it's color and mass.
The law of mass conservation is generally valid.
The mass of an object can be subtracted or added. For example, with water, you can just add more to have a larger mass. With ice, you can just chop off a portion to lessen its mass. Though, if you take a piece of paper and crumple it up, the mass will stay the same. It just depends on the context of the situation.
Because mass is not the same as weight. Weight is mass times gravity so your weight will change if you are on the earth or moon but your mass will stay the same.