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Arte-miy333 [17]
2 years ago
9

Help plz I have to get this done before 2:30 The diagram shows different forms of thermal energy transfer.

Chemistry
2 answers:
MArishka [77]2 years ago
4 0

Answer:

Conduction.

Explanation:

hram777 [196]2 years ago
4 0

Answer:

O A. Conduction

Explanation:

The other person did it

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Which element has chemical properties that are most<br> similar to potassium, And why?
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Chemists use the periodic table to organize the elements. What are some ways in which this organization is useful? Select all th
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Calculate each of the following quantities:<br> (a) Total number of ions in 38.1 g of SrF₂
adelina 88 [10]

The total number of ions in 38.1 g of SrF₂ is 5.479 x 10²³.

<h3>What are ions?</h3>

Ions are the elements with a charge on them. It happens when they share electrons with other atoms to form a compound.

We have to calculate the total number of ions in 38.1 g of .

The molar mass of SrF₂ = 125.62 g/mol

The number of moles = 38.1 g of  1.0 mol / 125.62  = 0.30329 moles

Given that, total moles of SrF₂ ions in  = 1.0 mol of + 2.0 moles of  = 3.0 moles

Total moles of ions in 0.30329 moles of

= (0.30329 moles of SrF₂) x 3.0 / 1.0  = 0.90988 mol ions

We know that,

1.0 mole of ions = 6.023 x 10²³ ions

Thus, the number of total ions = ( 0.90988 mol ions) x  6.023 x 10²³ / 1.0 mol = 5.479 x 10²³ ions

Thus, the number of ions is in 38.1 g of 5.479 x 10²³ ions

To learn more about ions, refer to the link:

brainly.com/question/14295820

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used to make jewelry eg gold and silver<span />
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