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larisa [96]
3 years ago
5

Write the chemical formula of 25 compound​

Chemistry
1 answer:
Phoenix [80]3 years ago
8 0
C2h40
No cap that’s it
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A rod made up of a single element is used to heat water using electricity. To which group does this element probably belong to?
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<h2>the answer will be option no b </h2><h2>PLSS MARK ME AS BRAINLIEST </h2>
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Prelab for Experiment 4: The Atomic Theory of Matter 1. Demonstrate the Law of Multiple Proportions with the following data: a.
Alex17521 [72]

The Law of Multiple Proportions states that if 2 elements form more than one compound between them, if the mass of one of the elements is fixed, the masses of the other element will be in a ratio of small whole numbers.

In this case, the two elements are Fe and Cl, and the 2 compounds are X and Y. Let us fix the mass of Fe in 1.00 g and analyze what happens with the masses of Cl.

For X:

1.00gFe.\frac{1.68gCl}{1.32gFe} =1.27gCl

For Y:

1.00gFe.\frac{3.28gCl}{1.72gFe} =1.91gCl

The ratio mCl in X/mCl in Y is 1.27g/1.91g = 0.664 ≅ 2/3. This is a ratio of small whole numbers, which proves the Law of Multiple Proportions.

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3 years ago
Xenon is an element similar to Neon. Its density can be found on the Reference Table. Convert Xenon’s density to scientific nota
Nady [450]

The Scientific Notation of  Xenon’s density : 1.31293 × 10²

<h3>Further explanation</h3>

Scientific Notation consists of 2 parts

1. the first part: the first digit followed by the decimal point

2. The second part: the power of 10 which shows the number of digits after the decimal point

Xenon's density = 131.293

First digit = 1, then we give the decimal point and the next digit

The power of 10 is determined from the number of decimal points moved from the original decimal point

Because we move the decimal point two digits to the left, the power of 10 has the number 2 (10²)

So that the Scientific Notation form becomes:

1.31293 × 10²

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A conductivity apparatus was inserted into a container of distilled water. The light bulb did not light up. What is the BEST exp
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Distilled water is neutral, so there are no ions to allow the flow of electricity
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What is the balanced equation for the reaction of a solution of sodium sulfate is mixed with strontium chloride?
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NaSO⁴(ads) ,ganadicate

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