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gavmur [86]
2 years ago
7

Both the National Fire Academy and Iowa formulas calculate the flow requirement for structures that are __________ percent invol

ved in flame.
Chemistry
1 answer:
emmainna [20.7K]2 years ago
7 0

Answer:

100

Explanation:

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Which of the following best describes the difference in bonding between two hydrogen atoms and two carbon atoms?
valentinak56 [21]

Answer :

2. Hydrogen forms bonds through the overlap of 1s atomic orbitals and the sharing of electrons between atoms. Carbon forms bonds through the overlapping of sp hybrid atomic orbitals and the sharing of electrons between carbon atoms.

Explanation:

The H-H bond is formed by the overlap of two 1s orbitals and the sharing of electrons between the two atoms.

A carbon atom must use the overlap of hybridized atomic orbitals and the sharing of electrons to bond with another carbon atoms.

1. is <em>wrong</em> because H can use only its <em>1s orbital</em> for bonding.

3. is <em>wrong</em> because C must <em>share electrons</em> to form a carbon-carbon bond.

4. is <em>wrong</em> because <em>C does NOT use overlapping of 2s orbitals</em> for bonding. It uses the overlap of hybridized orbitals.

5. is <em>wrong</em> because H must <em>share electrons</em> to form an H-H bond.

4 0
3 years ago
Which factor plays the biggest role in delaying the detection of childhood<br> diseases?
Maru [420]

Answer:

poor access to health care providers

Explanation:

without health care providers you cant get tested.

4 0
3 years ago
What is the pH of a 1.7 × 10⁻⁴ M HClO₄ solution?
Mamont248 [21]
Ph= -log[h30]

Ph= -log[1.7x10^-4]

pH= 3.77

pH is acidic
3 0
3 years ago
What is the difference between liquid water and water vapor?
RideAnS [48]

Answer:

4

Explanation:

4.They are different states of the same pure substance

5 0
3 years ago
What is the PEN number for Oxygen?
nataly862011 [7]

Answer:

8

Explanation:

g o o g l e d it

7 0
2 years ago
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