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A powder has a mass

A powder has a mass of 40.0g. When the powder is added to 30.0mL of water, the total volume is 45.0mL. What is the density of
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2. asked by amber
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a specific gravity bottle of mass 40 g, mass when filled with water is 90 g, mass when filled with liquid is 80 g and mass when
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A scientist is performing an experiment on apowder. Which of the following is a sign that a chemical change has definitely
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2. asked by Fatima
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A student adds .137 grams of nickel(II) hydroxide powder to 10.0 L of distilled water at 25C with vigorous stirring. Did all of
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2. asked by Tyler
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Joseph Priestly discovered oxygen when he heated a red powder. This red powder had been prepared by heating mercury in air.a)
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2. asked by Jessica
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a specific gravity bottle of mass 40 g, mass when filled with water is 90 g, mass when filled with liquid is 80 g and mass when
1. 1 answer
2. 34 views
QuestionA chemistry student is stirring a powder into water to make a solution. What will change if the student increases the
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2. asked by Potassium and nickel are in the same row of the pe
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Container A and Container B were filled completely with chicken powder. The total mass of 1/3 of the chicken powder in Container
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2. 130 views
To analyze for barium in an unknown white powder, an excess of sodium sulfate solution was added to a 0.576 g sample of the
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2. asked by amber
3. 2,422 views
A chemist makes 86.94 grams of a black powder by reacting 54.94 grams of manganese with 32.00 grams of oxygen. If a student
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2. asked by Noah
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