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3 years ago

What is the total Mass of Reactants in Alpha Decay

Chemistry

2 answers:

sweet [91]3 years ago

8 0

Answer:

Calcite Calcium carbonate

Calgon Calcium hexametaphosphate

Calomel Mercurous chloride

Carbolic acid Phenol

Explanation:

⭐ sorry ⭐

Naddik [55]3 years ago

6 0

Ey do.pe bro if u keep posting free pts ur gonna get ur account deleted or banned.

Btw what did u mean by trolling ppl ?

Have a nice day do.pe bro lol

Ur my new bestie lm.ao

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A balloon is filled with 0.250 mole of air at 35°C. If the volume of the balloon is 6.23 liters, what is the absolute pressure o

Jobisdone [24]

X= 101.325 kPa
The absolute pressure of the air in the balloon is 101.325 kilopascals.

6 0

3 years ago

When the procedure calls for making a more dilute solution of an acid, or mixing an acid with other solutions, what is the corre

Fed [463]

Answer:

The correct order it b. always add acid last.

Explanation:

Adding acid first could result on a violent reaction and heat or fumes can be generated. The best approach is to always add all the water or non-acid component first, or add a significant portion before adding the acid slowly to the mixture.

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3 years ago

Does the volume change if a ballon is put in a freezer

Lorico [155]

It gets smaller so yes

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3 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.

4 0

2 years ago

Please let me know if this is correct?

siniylev [52]

Answer: Yes! you're all good. Alkali metals in group 1 are the most metallic :)

6 0

3 years ago