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2 years ago

In a nuclear reaction, which of the following must be conserved?

Chemistry

1 answer:

dolphi86 [110]2 years ago

8 0

Answer:

A. Energy must be conserved in a nuclear reaction

Explanation:

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Encountering problems during separation/purification is a very common issue in organic synthesis, but these steps are crucial to

Rus_ich [418]

True is the correct answer! your welcome! :)

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2 years ago

PLEASE HELP ME! THANK YOU IF YOU DO!!! ^^

frozen [14]

Answer:

oceanic formation is the right answer.

Explanation:

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4 0

2 years ago

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

Evgesh-ka [11]

<h3>Answer:</h3>

$\displaystyle 40 \ mol \ Al$

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

<u>Math</u>

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right<u> </u>

<u>Chemistry</u>

<u>Stoichiometry</u>

Using Dimensional Analysis

<h3>Explanation:</h3>

<u>Step 1: Define</u>

[RxN - Balanced] 2Al₂O₃ → 4Al + 3O₂

[Given] 20 mol Al₂O₃

<u>Step 2: Identify Conversions</u>

[RxN] 2 mol Al₂O₃ → 4 mol Al

<u>Step 3: Stoich</u>

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

<u>Step 4:Check</u>

<em>Follow sig fig rules and round. We are given 1 sig fig.</em>

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

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2 years ago

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nignag [31]

ADSORPTION: The adhesion of a liquid or gas on the surface of a solid material, forming a thin film on the surface. Not to be confused with the process of absorption.

ABSORPTION: The act or process of absorbing or of being absorbed as

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3 years ago

What is the transition element which despite its strength (rigidity), it is characterized by being ductile, and by its high resi

uranmaximum [27]

Titanium is ductile and has high resistance for heat despite its strength.

Titanium (Ti), is a Group 4b chemical transition element, it has a silvery gray appearance. Its characteristics are as follows

known as the strongest metal with high rigidity
low-corrosion resistance
low density
heat resistance.

Because of these features, Titanium is widely used in building aircraft, missiles, and ships and also in the production of prosthetics.

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2 years ago