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3 years ago

Which of the following is a tidal current

Chemistry

2 answers:

Rus_ich [418]3 years ago

8 0

Answer:

"Tidal currents can be defined as the periodic movement of water driven principally, though not necessarily exclusively, by a head difference created by out-of-phase ocean tides at each end of a restriction"From Google.

Explanation:

Tamiku [17]3 years ago

6 0

Answer:

Explanation:

Options?

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Which action changes the identity of substance referenced

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Answer:

When iron turns to rust, the chemical identity of the iron changes. When you break ice, the ice is still ice

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3 years ago

Identify the Lewis acid in this balanced equation: SnCl4 + 2Cl− → SnCl62−

Grace [21]

Answer:

The answer is SnCI4.

Explanation:

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3 years ago

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Which element has 16 protons in its nucleus? neon oxygen sodium sulfur

Assoli18 [71]

Answer: Sulfur

Explanation: Sulfur has 16 protons, silicon has 14 protons, and gold has 79 protons.

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3 years ago

How many atoms are present in 8.00g of He?

uranmaximum [27]

Answer:

1.20 × 10²⁴ atoms He

General Formulas and Concepts:

Chemistry - Atomic Structure

Reading a Periodic Table
Using Dimensional Analysis
Avogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.

Explanation:

Step 1: Define

8.00 g He

Step 2: Identify Conversions

Avogadro's Number

Molar Mass of He - 4.00 g/mol

Step 3: Convert

$8.00 \ g \ He(\frac{1 \ mol \ He}{4.00 \ g \ He} )(\frac{6.022 \cdot 10^{23} \ atoms \ He}{1 \ mol \ He} )$ = 1.2044 × 10²⁴ atoms He

Step 4: Check

We are given 3 sig figs. Follow sig fig rules and round.

1.2044 × 10²⁴ atoms He ≈ 1.20 × 10²⁴ atoms He

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3 years ago

Which of the following is a renewable resource?

Sergeeva-Olga [200]

Answer: A wood
I hope this helps you

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3 years ago

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