3 years ago

What is the crucial element of a good hypothesis?

1 answer:

4 0

The qualities of a good hypothesis are: 1) Logically consistent with other theories and data 2) Have explanatory power 3) Be empirically testable 4) Similar hypothesis is the better hypothesis.

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What discovery led J.J. Thomson to decide that atoms were not indivisible, but are actually composed of smaller parts?

Zarrin [17]

Thomson used a beam of negatively charged particles. Using a beam of particles and detecting the scattering of the particles after they hit gold foil.

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3 years ago

Identify this reaction <br><br> HBr+ Al(OH)3 —-> H2O + AlBr3

Vikki [24]

<h2><em><u>Answer</u></em></h2>

Neutralization reaction

5 0

3 years ago

Muszę napisać wzór sumatryczny wysyłam załącznik

ioda

Cześć, nie mówię po polsku, więc zrobiłem to w Tłumaczu Google, więc przepraszam, jeśli coś brzmi śmiesznie.

chlor (VII) i tlen - ten wzór to $CI_{2} O_{7}$ , a tlenek chloru jest bezwodnikiem kwasu nadchlorowego.

węgiel i wodór - wzór na węgiel i wodór to CnH2n + 2), jest to związek organiczny, a niższa klasyfikacja jest taka, że jest to również węglowodór aromatyczny.

Mam nadzieję, że to pomoże, błogosławionego i cudownego dnia! :-)

-Cutiepatutie

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3 years ago

All of the following pairs of ions are isoelectronic except which one?

mash [69]

Answer: Fe2+ & Mn3+

Explanation:

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2 years ago

A heterogeneous mixture is a :

4vir4ik [10]

The correct answer is letter <span>C. mixture in which its components retain their identity. A heterogeneous mixture is a mixtures in which the component of the mixed are not uniform. You can see that there are localized regions that have different properties. The components have the capacity to retain their identity.</span>

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3 years ago

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