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Evgen [1.6K]
4 years ago
10

What does the periodic table have in common with a calendar?

Chemistry
1 answer:
Angelina_Jolie [31]4 years ago
5 0

Answer:

Calendar and periodic table both have repetitive patterns.

Explanation:

In calendar the days are arranged and divided into weeks whereas in the periodic table the elements are arranged in increasing atomic number and divided into groups

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A 53. 5 mL ample of an 5. 4 % (m / v) KBr olution i diluted with water o that the final volume i 205. 0 mL Expre your anwer to t
gogolik [260]

The concentration after dilution is 1.4%.

We are aware that concentration and volume are related to each other by the formula -

C_{1} V_{1} = C_{2} V_{2}, where we have initial concentration and volume on Left Hand Side and final concentration and volume on Right Hand Side.

Keep the values to calculate final concentration.

C_{2} = (53.5 × 5.4)/205.0

Performing multiplication on Right and Side

C_{2} = 288.9/205.0

Performing division on Right Hand Side

C_{2} = 1.4%

Hence, the final concentration is 1.4%.

Learn more about concentration -

brainly.com/question/17206790

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The complete question is -

A 53.5 mL sample of an 5.4 % (m/v) KBr solution is diluted with water so that the final volume is 205.0 mL.

Calculate the final concentration and express your answer to two significant figures and include the appropriate units.

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1 year ago
The plastics industry realized more than 20 years ago that recycling plastics was a necessity for our planet. Can you recognize
Leni [432]

Answer:

C.)Recycled bottles and containers are used to produce lumber products that can be used as an outdoor building material.

Explanation:

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3 years ago
The equivalence point in a titration refers to the point when
azamat

Answer:

C) the number of moles of one reactant reacts completely with the moles of the other reactant.

Explanation:

it's right put it

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4 years ago
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AlladinOne [14]

Answer:

every real machine must be less than 100 because of the force that overcome friction

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3 years ago
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Ahhhh someone help me with this
Paladinen [302]

Answer:

3.6g

Explanation:

2 moles of water gives 1 mole of oxygen

2(h2o)=1(o2)

2(molar mass of h2o)=1(molar mass of oxygen molecule)

2(18)=1(16×2)

36=32

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cross multiply

3.6×32=36× x

115.2=36x

x=115.2÷36

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