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Serhud [2]
3 years ago
12

Which step in an investigation involves predicting the results?

Chemistry
1 answer:
Firdavs [7]3 years ago
5 0

Forming a hypothesis

Explanation:

The step in an investigation which involves the prediction of results is the stage of forming of a hypothesis.

  • A hypothesis is a stage in scientific investigation that follows shortly after asking a simple scientific question.
  • Hypothesis is simply a scientific guess that is logical in nature.
  • It presents a problem in a manner in which the problem is stated, the cause and the likely outcome can be predicted.
  • After a hypothesis formulation, the experiment is conducted and results of findings weighed against the predictions of the statement.

learn more:

Hypothesis brainly.com/question/3418951

#learnwithBrainly

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What can be used to determine the absolute age of two rocks? *
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Which substance is important in making plastics?
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Elements in group 16 want to bond with elements in group ___.
Trava [24]

Answer:

Two

Explanation:

Elements in group 16 wants to bond with elements in group IIA, the group of alkaline earth metals.

  • The bonding will make it easier for them complete their octet.
  • Elements in group 16 has 6 valence electrons.
  • To have a complete octet, they require 2 more electrons.
  • Group II elements are willing donors as they are metals.
  • For Group II elements to fill their octets, they must lose two electrons.
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5 0
3 years ago
If a balloon containing 3000 L of gas at 39 C and 99 k Pa rises to an altitude where the pressure is 45.5 kPa and the temperatur
mihalych1998 [28]

Answer:

The new volume of the balloon will be 6046.28 L

Explanation:

Initial pressure (P1) = 99 kpa

initial volume (V1) = 3000 L

Initial temperature = 39 C = 39 + 273 = 312 K

Final pressure (P2) = 45.5 kpa

Final temperature = 16 C = 16 +273 = 289K

Final volume = ????

To calculate the final volume using the general gas equation

                  P1 V1 / T1  = P2 V2 / T2

make V2 the subject of the formular

                   V2 = 99000 ×3000× 289 / 45500×312

                   V2 = 85833000 /14196

                     V2 = 6046.28 litres

5 0
3 years ago
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