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antoniya [11.8K]
3 years ago
6

Compare element factories to real factories

Chemistry
1 answer:
Nuetrik [128]3 years ago
8 0
One is real and one isn’t
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Explain how you find the instantaneous speed or velocity of an object
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divide the distance by the average

Explanation:

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6. Compare and Contrast How are the properties of acids and bases similar? How are they different?
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\huge\underline{\red{A}\blue{n}\pink{s}\purple{w}\orange{e}\green{r} - }

  • Acids and bases both react with water and a lot of acids and bases are soluble in nature.
  • Both acids and bases are electrolytes which means that they’re good conductors of electricity.
  • Acids and bases both produce ions in water solution.
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Which noble gas is closest to magnesium
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which has more calories : table sugar or aspartame ? what does synthetic gas (water gas) consist of ?
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2 years ago
A student has 100. mL of 0.400 M CuSO4(aq) and is asked to make 100. mL of 0.150 M CuSO4(aq) for a spectrophotometry experiment.
ValentinkaMS [17]

Answer:

<u></u>

  • <u>a. 37.5 mL</u>

<u></u>

  • <u>b. See the description below</u>

Explanation:

<u><em>a. Volume of 0.400 M CuSO₄(aq) required for the preparation</em></u>

In dissolutions, since the number of moles of solute is constant, the equation is:

          C_1\times V_1=C_2\times V_2

Substitute and solve for V₁

         0.400M\times V_1=0.150M\times 100ml

          V_1=0.150M\times 100.ml/0.400M=37.5ml

<u><em>b. Briefly describe the essential steps to most accurately prepare the 0.150 M CuSO₄(aq) from the 0.400 M CuSO₄(aq)</em></u>

You will use the stock solution, the funnel, the buret, and distilled water.

i) Using the funnel, fill in the buret with with 50 ml of the stock solution, i.e. the 100. ml of 0.400 M CuSO₄(aq) solution.

ii) Pour 37.5 ml of the stock solution from the burete into the volumetric flask.

iii) Carefully add disitlled water to the 37.5ml of the stock solution in the volumetric flask until the mark (50 ml) on the volumetric flask.

iv) Put the stopper and rotate the volumetric flask to homegenize the solution.

3 0
3 years ago
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