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Alex Ar [27]
2 years ago
12

What element is represented by the following orbital diagram?

Chemistry
1 answer:
Makovka662 [10]2 years ago
6 0

Answer:

the answer is magnesium

Explanation:

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How many grams of silver chloride are produced from 5g of Silver Nitrate reacting with an excess of barium chloride?
monitta
4.22g
1. Work out the equation and balance
2AgNo3 +BaCl2 ---> 2AgCl + Ba(No3)2

2. Work out formula mass of silver nitrate (should = 169.9)

3. Calculate the number of moles by doing moles = mass / formula mass so 5 divided by 169.9 = 0.0294 moles.


4. Check ratio - here the ratio is 2:2 i.e. 2 moles of silver nitrate to 2 moles of silver chloride so the moles will be the same so the moles of silver chloride is also 0.0294

5. Work out the formula mass of AgCl (always ignore big numbers at the start when working out formula mass) = 143.4

6. Work out mass by doing equation moles = mass/formula mass so
mass = moles x formula mass
mass = 0.0294 x 143.4
mass = 4.22g (3sf or 2dp)
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3 years ago
"a basic experiment involves a minimum of ________ participant group(s)."
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Answer: TWO.

At least two groups: treatment group and control group.

The treatment group is that is exposed to the different levels of the independent variable ( a medication for example), while the control group is not treated, so the researchers can compare the effect of the medication.
5 0
2 years ago
Which orbital has the highest energy level
fgiga [73]

Answer:

p orbitals

Explanation:

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Forensic toxicology involves not only the area of toxicology, but also the use of areas such as analytic chemistry and pharmacol
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Answer:

The answer is True

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Forensic toxicology involves or  employs or uses disciplines such as analytical chemistry, pharmacology and clinical chemistry to aid medical or legal investigation.

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3 years ago
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What is the meaning of the word solubility
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Amount of a substance (called the solute) that dissolves in a unit volume of a liquid substance (called the solvent) to form a saturated solution under specified conditions of temperature and pressure.Solubility is expressed usually as moles of solute per 100 grams of solvent.
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2 years ago
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