Tutor and Freelance Writer. Science Teacher and Lover of Essays. Article last reviewed: 2019 | St. Rosemary Institution © 2010-2020 | Creative Commons 4.0

Heat of Reaction for the Formation of Magnesium Oxide Lab Answers

Planning A: Refer to lab handout entitled, Heat of Reaction for the Formation of Magnesium Oxide. Planning B: Refer to lab handout entitled, of Reaction for the Formation of Magnesium Oxide. Data Collection: Quantitative Table I: Compound Trial Mass±0.001g Volume of HCl±0.5mL Temperature of HCl±0.5°C Time (seconds) Temperature of solution±0.5°C MgO 1 1.020 100.0 21.0…

Oppressive Parenting in “Like Water for Chocolate” and “Metamorphosis”

Like Water for Chocolate by Laura Esquivel and The Metamorphosis by Franz Kafka are two novels that provide an illustration of oppressive parenting.  The main characters of both novels, Tita for Like Water for Chocolate and Gregor for The Metamorphosis are oppressed by their parents for a majority of their lives. However, eventually Tita and…

Socrates and Euthyphro: Defining Philosophical Terms Analysis

In the reading Euthyphro: Defining Philosophical Terms we come across two main characters, Socrates and Euthyphro. The reading begins with Socrates encountering Euthyphro outside the court of Athens. Socrates has been called to court on charges of impiety by a young man names Meletus. The reason for his indictment of impiety is the act of…

How to Detection Alcohol in Breath, Blood & Urine

Breathalyzer – Alcohol testing devices The Breathalyzer device contains: A system to sample one’s breath and Two glass vials containing the chemical reaction mixture.  A system of photocells connected to a meter measure the color change associated with the chemical reaction. To measure alcohol, a person breathes into the device. The breath sample is bubbled…

Physical Geology & Plate Tectonics

Geology (study of Earth) is important for energy and natural resources, solving environmental problems, building cities and highways, predicting and protecting against natural disasters like earthquakes, volcanic eruptions, landslides, floods Uniformitarianism: fundamental principle “the present is the key to the past” How long? geologic time is measured in billions of years Where and How? After…

Igneous Rocks: Formation, Composition, Naming

Igneous rocks crystallize from molten silicate material called magma that forms at high temperatures and pressures deep in the Earth. Magma rises through the crust and either reaches the surface by volcanoes (extrusive) or cools below surface (intrusive). How Magmas Evolve – according to Bowen’s Reaction Series: discontinuous (different molecular structures of olivine [single tetrahedra],…