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meriva
2 years ago
6

What is the nuclear equation for krypton 85?

Chemistry
1 answer:
Dmitry_Shevchenko [17]2 years ago
8 0

Answer:

85rb

Explanation:

i think so is that it?

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How many grams of aluminum is produced when 82.4 grams of aluminum chloride
yKpoI14uk [10]

Answer:

16.6 g of Al are produced in the reaction of 82.4 g of AlCl₃

Explanation:

Let's see the decomposition reaction:

2AlCl₃ →  2Al  + 3Cl₂

2 moles of aluminum chloride decompose to 2 moles of solid Al and 3 moles of chlorine gas.

We determine the moles of salt:

82.4 g . 1mol/ 133.34g = 0.618 moles

Ratio is 2:2. 2 moles of salt, can produce 2 moles of Al

Then, 0.618 moles of salt must produce 0.618 moles of Al.

Let's convert the moles to mass → 0.618 mol . 26.98g /mol = 16.6 g

6 0
3 years ago
What is the mass of 4.56 moles of copper (ii) fluoride​
musickatia [10]

Answer:

463.0 g.

Explanation:

  • We can use the following relation:

<em>n = mass/molar mass.</em>

where, n is the mass of copper(ii) fluoride​ (m = 4.56 mol),

mass of copper(ii) fluoride​ = ??? g.

molar mass of copper(ii) fluoride​ = 101.543 g/mol.

∴ mass of copper(ii) fluoride​ = (n)(molar mass) = (4.56 mol)(101.543 g/mol) = 463.0 g.

7 0
2 years ago
Consider the molecules H2O, H2S, H2Se, and H2Te. Which do you expect to have the highest boiling point, and why?
STatiana [176]

Answer:

a. H20,because it experiences hydrogen bonding.

5 0
2 years ago
Use Avogadro's number, 6.02E23, to calculate the number
Zepler [3.9K]

Answer:

<h2>2.408 × 10²¹ is the correct answer!!</h2>
8 0
3 years ago
How much Naclo3 will dissolve at 50°C?
Shkiper50 [21]

Answer:

90.  

Explanation: yea and I will be back at your

5 0
2 years ago
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