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Klio2033 [76]
3 years ago
11

The scientific method is critical to scientific study. In an essay, discuss the possible use of the scientific method in everyda

y life and how it might be important. Please include the steps of the scientific method. You can incorporate a previous lab, i.e. Rolling balls lab into your steps
Chemistry
1 answer:
Eduardwww [97]3 years ago
6 0

Scientific method consists of systematic observation, hypothesis, and experimentation of observation and hypothesis.

Explanation:

  • Scientific method and steps can be explained by an example. Suppose you live in a sea side and in your house compound, you have a pond. You observe that during winter, pond freezes while the sea doesn't.
  • You think about it and reach the hypothesis that it may be because sea water that is salty has a higher freezing point than pond water, which is fresh water.
  • You experiment and prove your hypothesis by taking two cups of distilled water and pouring salt to one of it. You keep them in refrigerator and  increase the freezing point. You see the distilled water cup getting frozen and the other cup is not because the salty water in it has a higher freezing point.
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What is the [ H3O+] of a solution with pH = (8.50x10^0)? enter your answer in scientific notation and with three sig figs.
erastovalidia [21]

Answer:

[H₃O⁺] = 3.162 × 10⁻⁹ moles / liter

Explanation:

The pH is calculated with the formula:

pH = -lg[H₃O⁺]

From here the concentration of hydronium ion (H₃O⁺) will be:

[H₃O⁺] = 10^{-pH}

[H₃O⁺] = 10^{-8.5}

[H₃O⁺] = 3.162 × 10⁻⁹ moles / liter

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To what volume should 25ml of 15m nitric acid be diluted to prepare a 3m solution
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We can use the dilution formula to find the volume of the diluted solution to be prepared

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