What happens when exhale

Physics

2 answers:

Lubov Fominskaja [6]3 years ago

6 0

When you exhale you breathe out carbon dioxide which is good for plants

polet [3.4K]3 years ago

4 0

When you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. This increases the space in your chest cavity, into which your lungs expand. The intercostal muscles between your ribs also help enlarge the chest cavity. They contract to pull your rib cage both upward and outward when you inhale.

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Which type of bond has an electronegativity difference greater than 1.7? a. ionic c. nonpolar covalent b. metallic d. polar cova

cestrela7 [59]

Answer: Option (a) is the correct answer.

Explanation:

An ionic bond is formed by transfer of electrons between the two chemically combining atoms. Whereas a covalent bond is defined as the bond formed by sharing of electrons between the two chemically combining atoms.

When electronegativity difference is from 0.0 to 0.4 then bond formed between the two atoms is non-polar covalent in nature.

When electronegativity difference is greater than 0.4 and less than 1.7 then bond between the two atoms is a polar covalent bond.

When electronegativity difference is 1.7 or greater than the bond formed is ionic in nature.

Thus, we can conclude that ionic type of bond has an electronegativity difference greater than 1.7.

8 0

3 years ago

When you put a book on a table the table pushes back. which newton law

sergeinik [125]

Newtons Third law of motion

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4 years ago

Conclusion on ohm's law experiment

Free_Kalibri [48]

Answer:

Explanation:

In our previous articles, we observed the theoretical formulas of Ohm’s law, its calculations in the lab report, and experiment. Today you’ll learn the verification of theory vs experimental results on a 1 kΩ resistor.

The theoretical results are obtained from the formula of Ohm’s law: V = IR. The experimental verification is provided for a metal film 1 kΩ (±0.05%). We have used a high-quality resistor with negligible tolerance value so as to reduce the tolerance error.

The little problem in our calculations arises due to improper handling of multimeter probes. You can learn the complete method to perform the Ohm’s experiment here and can calculate the current values by using the Ohm’s law calculator.