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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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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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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 5 g igal reguires addinng 8.6 ml diluent to get concentration of 250 mg/ml. The powder volume is __ ml a.9.3 b.10.6 c.11.4
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2. asked by KUZAVA
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ROSE USES INSTANT LEMONADE POWDER TO MAKE 7 PITCHERS OF LEMONADE .SHE USES 2/8 CUP OF POWDER FOR EACH PITCHER.WHAT IS THE AMOUNT
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2. asked by Anonymous
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Which of the three powders (Powder A, Powder B, or Powder C) do you think is the baking soda? Why do you think that?
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2. 27 views
Which of the following always means a chemical reaction has a curve when you mix a powder into a liquid A The liquid or the
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2. asked by Joy💛Anger❤️Fear💜Disgust💚Sadness🩵
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he table shows the procedure for an experiment.Step Procedure 1 Crush 5 grams of salt into a fine powder. 2 Transfer the powder
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