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You add 5 grams of iron to HOW MANY grams of sulfuric acid to yield 12 grams of iron sulfide
7 g
the mass is the same
176 g
matter cannot be created or destroyed
500 g
The mass of the melted ice cube remained the same at 4 grams.
4 g
reactants
Colton has an ice cube that has a mass of 4 grams. He places it in a sealed container and then puts it in the microwave on high. The ice cube melts after a few seconds. He removes the sealed container and checks the mass again. What will he find?
7 g
the mass is the same
176 g
matter cannot be created or destroyed
500 g
The mass of the melted ice cube remained the same at 4 grams.
4 g
reactants
At the end of chemical reactions, what is the total mass of the reactants compared to the total mass of the products?
7 g
the mass is the same
176 g
matter cannot be created or destroyed
500 g
The mass of the melted ice cube remained the same at 4 grams.
4 g
reactants
A burning candle is covered by a jar so that no matter can get in or out. The whole arrangement has a mass of 500 g. What will be the approximate mass of the arrangement when the candle is completely burnt, after four minutes?
7 g
the mass is the same
176 g
matter cannot be created or destroyed
500 g
The mass of the melted ice cube remained the same at 4 grams.
4 g
reactants
Na + Cl → NaCl .... Sodium and Chlorine combine to form table salt. Given the chemical reaction, how many grams of Na + Cl would be required to produce 4 grams of table salt?
7 g
the mass is the same
176 g
matter cannot be created or destroyed
500 g
The mass of the melted ice cube remained the same at 4 grams.
4 g
reactants
The law of conservation of matter states that...
7 g
the mass is the same
176 g
matter cannot be created or destroyed
500 g
The mass of the melted ice cube remained the same at 4 grams.
4 g
reactants
What is the part of the chemical equation on the left side of the arrow called? Fe + S -- FeS
7 g
the mass is the same
176 g
matter cannot be created or destroyed
500 g
The mass of the melted ice cube remained the same at 4 grams.
4 g
reactants
Using the Law of Conservation of Matter, determine the number of grams of iron sulfide (FeS) that will be produced in this reaction. 112 g Fe + 64 g S → _____ g FeS
7 g
the mass is the same
176 g
matter cannot be created or destroyed
500 g
The mass of the melted ice cube remained the same at 4 grams.
4 g
reactants
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