8Eb Oxidation beta
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Last updated 3 months ago
11 questions
1
Which statement best describes the law of conservation of mass?
Which statement best describes the law of conservation of mass?
1
During the reaction of calcium carbonate with hydrochloric acid, a gas is released. Why might the mass of the reaction mixture appear to decrease?
During the reaction of calcium carbonate with hydrochloric acid, a gas is released. Why might the mass of the reaction mixture appear to decrease?
1
In a reaction between magnesium and oxygen, the product is magnesium oxide. What happens to the total mass during the reaction?
In a reaction between magnesium and oxygen, the product is magnesium oxide. What happens to the total mass during the reaction?
1
Why is it important to conduct reactions in a sealed container when demonstrating the conservation of mass?
Why is it important to conduct reactions in a sealed container when demonstrating the conservation of mass?
1
In the reaction: CaCO₃ → CaO + CO₂, why does the mass of the solid appear to decrease?
In the reaction: CaCO₃ → CaO + CO₂, why does the mass of the solid appear to decrease?
1
If 12 g of magnesium reacts with 16 g of oxygen, what is the mass of the magnesium oxide produced?
If 12 g of magnesium reacts with 16 g of oxygen, what is the mass of the magnesium oxide produced?
1
Which of the following could cause a mass increase in an open system during a reaction?
Which of the following could cause a mass increase in an open system during a reaction?
1
A student mixes vinegar and baking soda in an open beaker. Bubbles of carbon dioxide form. Why does the mass measured on a scale decrease?
A student mixes vinegar and baking soda in an open beaker. Bubbles of carbon dioxide form. Why does the mass measured on a scale decrease?
1
A reaction between zinc and hydrochloric acid produces hydrogen gas and zinc chloride. If the gas escapes, what will the scale show about the mass of the reaction mixture?
A reaction between zinc and hydrochloric acid produces hydrogen gas and zinc chloride. If the gas escapes, what will the scale show about the mass of the reaction mixture?
1
When a candle burns, why does the mass of the candle decrease over time?
When a candle burns, why does the mass of the candle decrease over time?
3
Hydrochloric acid is added to calcium carbonate in an open system. The total mass of these reactants is 14.5 grams.
Explain what observations you would make after the reaction has happened.
Hydrochloric acid is added to calcium carbonate in an open system.
The total mass of these reactants is 14.5 grams.
Explain what observations you would make after the reaction has happened.