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Chemistry

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Arvid Renner

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Cards in this guide (10)
Genes are arranged on twisted strands called what

Genes are arranged on twisted strands called DNA. DNA is housed in the nucleus and controls the cells functions and systems.

What is 0.000098 in scientific notation

This number in scientific notation is 9.8x10-5.

What is molarity pure water

the molarity of water is 55.5.

Which fields are significantly involved in food engineering

genetic engineering, chemical engineering, biology

What best describes a bond formed between two unlike atoms

The type of bond is determined by the difference in electrongativity of atoms

What is the percent composition of sulfur in SO2

32.1g

__________________

X100%

(32.1g + 16.0g + 16.0g)

What is an example of food engineering

The development of irrigation.

Which 2 atoms form a covalent bond

If the electronegativity difference between two atoms is below 1.7, then the two atoms form covalent bond.

When food is exposed to air it can lose electrons this loss of electrons creates reactive molecules that work to destroy the chemical bonds in the food causing it to spoil what are these molecules cal

Free radicals

Which of the following could be considered a benefit of modern farming techniques

The food we eat is fresher because it is treated with preservatives.

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