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4 years ago

Tetrachloromethane,CC15,is classified as a

Chemistry

1 answer:

prohojiy [21]4 years ago

7 0

Correct Answer: compound because the atoms of the elements are combined in a fixed proportion.

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What is saliva composed of?

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Saliva is composed of a variety of electrolytes, including sodium, potassium, calcium, magnesium, bicarbonate, and phosphates. Also found in saliva are immunoglobulins, proteins, enzymes, mucins, and nitrogenous products, such as urea and ammonia.

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4 years ago

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What functions are similar in both eukaryotic and prokaryotic cells

hammer [34]

Similars are they both contain all 4 biomolcules, have ribsomes, can be uniceullar, have cell membranes and cell wall, have DNA, and similar metabolism

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3 years ago

2. What type of bond holds together nitrogen atoms?

viva [34]

Answer:option c

Explanation:

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3 years ago

What fundamental building block makes up all matter in the universe

Sloan [31]

The building block that makes up all matter in the universe is atoms.

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3 years ago

2. What is the mass of 5.3 moles of CaCl2?

Tanya [424]

Answer:

590 g CaCl₂

General Formulas and Concepts:

Chemistry - Atomic Structure

Reading a Periodic Table
Using Dimensional Analysis

Explanation:

Step 1: Define

5.3 mol CaCl₂

Step 2: Identify Conversions

Molar Mass of Ca - 40.08 g/mol

Molar Mass of Cl - 35.45 g/mol

Molar Mass of CaCl₂ - 40.08 + 2(35.45) = 110.98 g/mol

Step 3: Convert

$5.3 \ mol \ CaCl_2(\frac{110.98 \ g \ CaCl_2}{1 \ mol \ CaCl_2} )$ = 588.194 g CaCl₂

Step 4: Check

We are given 2 sig figs. Follow sig fig rules and round.

588.194 g CaCl₂ ≈ 590 g CaCl₂

5 0

3 years ago