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N76 [4]
3 years ago
15

Draw and use algebra tiles to solve the equation. 2x + 3 = 5 x =

Chemistry
2 answers:
Eduardwww [97]3 years ago
7 0
2x+3=5x= The answer is 1
Nadusha1986 [10]3 years ago
4 0

Answer:

1 is the correct answer:)

Subtract 

3

33

 from both sides of the equation

2+3=5

Simplify

Subtract 

5

5x5x

 from both sides of the equation

Simplify

Divide both sides of the equation by the same term

Simplify

than you will have 1.

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How do ions form bonds, and describe the structure of the resulting compound.​
Artemon [7]

Answer:

Electrons are transferred between atoms together in the ionic compound. The ions are arranged in a regular repeating pattern in an ionic crystal

Explanation:

6 0
2 years ago
Calculate the average atomic mass of element X using the table below. Then use the periodic table to identify the element. Separ
Ksenya-84 [330]

Answer:

126.8, Iodine

Explanation:

  • mass ×abundance/100
  • (126.9045×80.45/100)+(126.0015×17.23/100)+(128.2230×2.23/100)
  • 102.1+21.7+3=126.8

<em>IODINE</em><em> </em><em>has</em><em> </em><em>an</em><em> </em><em>atomic</em><em> </em><em>mass</em><em> </em><em>of</em><em> </em>126.8 or 126.9

4 0
2 years ago
A sample of metal has a mass of 18.20g, and a volume of 7.38mL. What is the density in g/cm^3?
AlexFokin [52]
Density = Mass ÷ Volume. You get 2.466
8 0
3 years ago
Butanal, an aldehyde, can be made from 1-bromobutane, but it requires two reactions in sequence. What are the two reagents that
hammer [34]

Answer:

See explanation and image attached

Explanation:

My aim is to convert 1-bromobutane to butanal. The first step is to react the 1-bromobutane substrate with water. This reaction occurs by SN2 mechanism to yield 1-butanol. Hence reagent A is water.

1-butanol is now reacted with an oxidizing agent such as acidified K2Cr2O7 (reagent B) to yield butanal. Note that primary alkanols are oxidized to alkanals.

These sequence of reactions are shown in the image attached.

4 0
2 years ago
Reaction coordinates represent: A. The balanced equation for a chemical reaction. B. The change in pH for a chemical reaction. C
Hunter-Best [27]

Answer:

C. The potential energy change for a chemical reaction.

Explanation:

The reaction coordinate q illustrates, graphically, the energy changes during exothermic and endothermic reactions. This graphical representation of the energy changes in the course of a chemical reaction is known as reaction coordinates. A reaction coordinate is a graphical sequence of steps by which the reaction progresses from reactants through activated complexes to products. Reaction coordinates explain how far a reaction has proceeded towards the products or from the reactants.

From the images attached below, we can see the reaction coordinates in the reaction profiles.

5 0
2 years ago
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