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3 years ago

Give an example of an element which was named as honour to a scientist!!

Chemistry

2 answers:

iVinArrow [24]3 years ago

5 0

Explanation:

1) Einsteinium

2) Albert Einstein

tester [92]3 years ago

3 0

Answer:

Einsteinium, Rutherfordium, Nobelium, Curium etc are some examples of elements named after scientists

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In the final stage of the nuclear fuel cycle, the spent fuel must be transported, processed, and disposed of properly. True Fals

Aleksandr [31]

True
After the process of Ore processing, Enrichment, Fuel production and being passed through the reactor core the last remaining step is spent fuel disposal.

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3 years ago

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What is the mass spectrom

NARA [144]

Answer:

Here's your Answer

Explanation:

the mass spectrum is the graphical representation of the ion abundance versus the mass to charge of the ions separated in mass spectrometer

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3 years ago

Why is gold considered matter?

Yakvenalex [24]

Answer:

All matter is made up of substances called elements, which have specific chemical and physical properties and can't be broken down into other substances through ordinary chemical reactions. Gold, in this case, is an element so, therefore, it is considered matter.

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3 years ago

What is the quantity of atoms in KMnO4 ?

tankabanditka [31]

Answer:

Potassium permanganate has a molar mass of 158.04 g/mol. This figure is obtained by adding the individual molar masses of four oxygen atoms, one manganese atom and one potassium atom

Explanation:

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3 years ago

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How many moles of Al would be produced from 20 moles of Al2O3? 2Al2O3 -> 4A1 + 302

Evgesh-ka [11]

<h3>Answer:</h3>

$\displaystyle 40 \ mol \ Al$

<h3>General Formulas and Concepts:</h3>

Math

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Chemistry

Stoichiometry

Using Dimensional Analysis

<h3>Explanation:</h3>

Step 1: Define

[RxN - Balanced] 2Al₂O₃ → 4Al + 3O₂

[Given] 20 mol Al₂O₃

Step 2: Identify Conversions

[RxN] 2 mol Al₂O₃ → 4 mol Al

Step 3: Stoich

[DA] Set up: $\displaystyle 20 \ mol \ Al_2O_3(\frac{4 \ mol \ Al}{2 \ mol \ Al_2O_3})$
[DA] Multiply/Divide [Cancel out units]: $\displaystyle 40 \ mol \ Al$

Step 4:Check

Follow sig fig rules and round. We are given 1 sig fig.

Since our final answer already has 1 sig fig, there is no need to round.

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3 years ago