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Kay [80]
2 years ago
14

List the type of reaction. Predict the outcome and balance.

Chemistry
1 answer:
Yuliya22 [10]2 years ago
3 0

Answer:

Single Displacement Reaction: a reaction in which an element is swapped for another in a molecule

A + BC ---> AC + B

Double Displacement Reaction: a reaction in which the cation of one molecule is swapped with a cation of another molecule

AB + CD ---> AD + CB

a) Single Displacement Reaction

3 Ca + 2 AlBr₃ ----> 3 CaBr₂ + 2 Al

b) Single Displacement Reaction

2 Al + 3 MgSO₄ ----> Al₂(SO₄)₃ + 3 Mg

c) Double Displacement Reaction

AgNO₃ + KCl ----> AgCl + KNO₃

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You work in a museum that has a huge, beautiful stamed-glass window: Each gamell dints the light a different coice. Recenty up a
borishaifa [10]

The plant that should be moved here to protect from malnourishment is plant 3. The correct option is C.

<h3>What is visible spectrum?</h3>

The visible light spectrum is the portion of the electromagnetic spectrum that can be seen by the human eye. Simply put, this range of wavelengths is known as visible light.

The visible spectrum, also known as the optical spectrum, is the portion of the electromagnetic spectrum whose radiation consists of photons capable of sensitizing a normal person's human eye. The corresponding visible light radiation range is identified.

That being said, plant 3 is situated in front of a green stained glass window.

Plants have chlorophyll pigment that reflects back green light, making green light less effective for photosynthesis and causing them to die as quickly as if they were kept in the dark.

Thus, the correct option is C.

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3 0
1 year ago
Methyl red is a common acid-base indicator. it has a ka equal to 6.3 × 10–6. its un-ionized form is red and its anionic form is
Maksim231197 [3]
Hello!

The pKa of an indicator tells us the pH where it changes color. The pKa of Methyl red is 

pKa=-log(Ka)=-log( 6,3*10^{-6} )=5,20

So, at a pH=7,8, Methyl Red would be at a pH over its pKa, so it would be in its basic form. The Basic Form of Methyl Red is Yellow, so the solution would be Yellow.

Have a nice day!
7 0
3 years ago
If 180 grams of potassium iodide is dissolved in 100 cm3 of water at 30oC, a(n) _______________ solution is formed.
olga nikolaevna [1]

Super saturated solution is formed.

<u>Explanation:</u>

Solubility is the property of any substance's capacity, that is the solute of the substance is dissolved in the given solvent to form the solution. We have three different types of solution, unsaturated, saturated and supersaturated solution.

  • Unsaturated solution is a solution with lesser amount of solute than its solubility at equilibrium.
  • Saturated solution is a solution with the maximum solute dissolved in the solvent.
  • Super saturated solution is a solution with more solute than it is required.

The solubility of KI at 30°C is 153 g / 100 ml. Here 180 g of KI in 100 ml of water at 30°C is given, which has more solute than required, so it is super saturated solution.

6 0
3 years ago
Read 2 more answers
Which phrases describe sedimentary rock? check all that apply.​
yuradex [85]

Answer:

Sedimentary rock, rock formed at or near Earth's surface by the accumulation and lithification of sediment by the precipitation from solution at normal surface temperatures

Explanation:

7 0
3 years ago
Which characteristics must an object possess in order to be considered alive?
kipiarov [429]
In order for an object of be considered a living organism, that "thing" must live, breath, grow and reproduce ;)
3 0
3 years ago
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