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I write high quality learning materials in chemistry, mathematics, biology and physics

I write high quality learning materials in chemistry, mathematics, biology and physics
Percent composition of compounds
ReymonDCReymonDC

Percent composition of compounds

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This material contains a detailed, step-by-step procedure for determining the percent composition of compounds. It has many worked out problems that students can refer to.
Solutions Stoichiometry
ReymonDCReymonDC

Solutions Stoichiometry

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This material explains solution stoichiometry and how to solve problems related to solutions including concentration, dilution, neutralization and more.
Properties and origin of life
ReymonDCReymonDC

Properties and origin of life

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This material describe with detailed examples the different properties of living things. It also explains our current understanding of the origin of life.