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pantera1 [17]
2 years ago
7

What do you call all water on earth surface

Chemistry
1 answer:
kap26 [50]2 years ago
6 0

Answer:

Hydrosphere

Explanation:

Hydrosphere includes all water on the surface of the planet.

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Where is the following statements??
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The highest energy level of sodium contains ________ electron(s).
Effectus [21]

Answer:

A

Explanation:

The group number of an element is equal to the number of electrons the outermost shell (or highest energy level) contains

8 0
3 years ago
How many molecules of copper sulfate are needed to produce 5.0×1024 molecules of sodium sulfate?
lubasha [3.4K]

Answer:

5.0 × 10²⁴ molecules

Explanation:

Step 1: Write the balanced double displacement reaction

2 NaOH + CuSO₄ ⇒ Na₂SO₄ + Cu(OH)₂

Step 2: Calculate the moles corresponding to 5.0 × 10²⁴ molecules of Na₂SO₄

We will use Avogadro's number: there are 6.02 × 10²³ molecules in 1 mole of molecules.

5.0 × 10²⁴ molecule × 1 mol/6.02 × 10²³ molecule = 8.3 mol

Step 3: Calculate the moles of CuSO₄ required to produce 8.3 moles of Na₂SO₄

The molar ratio of CuSO₄ to Na₂SO₄ is 1:1. The moles of CuSO₄ required are 1/1 × 8.3 mol = 8.3 mol.

Step 4: Calculate the molecules corresponding to 8.3 moles of CuSO₄

We will use Avogadro's number.

8.3 mol × 6.02 × 10²³ molecule/1 mol = 5.0 × 10²⁴ molecule

4 0
2 years ago
Iron (III) oxide pentahydrate formula
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Answer:

Molecular Formula Fe2O12S3·5H2O

IUPAC Name iron(3+);tri sulfate;pentahydrate

Explanation:

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3 years ago
PLS HELP NO LINKS PLS WILL MARK BRAINLIEST IF CORRECT
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The Answer would be B (Materials can be seen in picometers which are trillionths of a meter or the size atoms.

Explanation:

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