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Ksenya-84 [330]
3 years ago
8

What is the Scientific Method?

Chemistry
1 answer:
Doss [256]3 years ago
8 0

Answer:

I just finished a unit on Scientific Method in my science class! Anyway, it's defined in the screenshots below. Hope this helps!

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Which of the following is NOT a strong acid or strong base?
Phoenix [80]

Magnesium hydroxide Mg(OH)₂ is a weak base.

Explanation:

Sulfuric acid H₂SO₄ and hydrochloric acid HCl are, both of them, very strong acids.

Sodium hydroxide NaOH and potassium hydroxide KOH are hydroxides of metals from the first group in the periodic table so thy are strong bases.

As you go to the second group in the periodic table, the hydroxides will not dissociate as much as the hydroxides from the first group in the periodic table , so they will be weak bases. This is the case of magnesium hydroxide Mg(OH)₂.

Learn more about:

acid and bases

brainly.com/question/12883745

brainly.com/question/1287824

brainly.com/question/2137783

#learnwithBrainly

4 0
3 years ago
Is magnesium a pure substance????
Kamila [148]
Yes magnesium is a pure substance and it is a element.
3 0
3 years ago
Which statement about covalent bonds and electrons is true?
Illusion [34]
<span>D) Eectrons in covalent bonds are not always shared equally.</span>
3 0
3 years ago
Read 2 more answers
1. What is the scientific methed?
Marrrta [24]

Answer:

The basic steps of the scientific method are:

1) make an observation that describes a problem,

2) create a hypothesis,

3) test the hypothesis, and

4) draw conclusions and refine the hypothesis. ... Critical thinking is a key component of the scientific method. Without it, you cannot use logic to come to conclusions.

5 0
3 years ago
Acetone can be easily converted to isopropyl alcohol by addition of hydrogen to the carbon–oxygen double bond. calculate the ent
Vanyuwa [196]
<span>Answer: Enthalpy is delta-H- We need to look at the molecule and determine which bonds are broken adn which bonds are formed. Bonds that are broken are H-H (from the H2 molecule) and the C=O from acetone. their energies add up like this: 436 kJ + 745 kJ = 1181 kJ looking at the bonds formed, these are C-O, O-H, and C-H. these add up to 1229 kJ solving for delta H by taking the sum of the broken bonds and subtracting the sum of the formed bonds, like so: 1181 - 1229 = -48 kJ</span>
4 0
3 years ago
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