María-Paz Díaz

The worksheet you provided is a worksheet on the topic of molar mass. It covers a variety of topics, including:

The worksheet also includes a number of application problems, such as calculating the number of moles, for example.

Overall, the worksheet is a comprehensive assessment of students' understanding of molar mass and its application to real-world problems. Here is a brief description of each of the questions on the worksheet:

Questions 1-8: These questions ask students to calculate the molar mass of molecules and compounds, convert between grams and moles, and calculate the number of atoms in a given mass of a substance.
Questions 9-11: These questions ask students to calculate the mass of a substance containing a given number of atoms, the number of moles in a given mass of a substance, and the mass of a substance needed to form a given number of moles of the substance.
Question 12: This question asks students to calculate the mass of 1 uranium atom.
Questions 13-15: These questions ask students to calculate the moles of sodium hydroxide in a kilogram of caustic soda, the number of hydroxide molecules in a kilogram of sodium hydroxide, and the moles of aspirin formed from 54 g of aspirin.
Questions 16-18: These questions ask students to calculate the mass needed to form 5.8 moles of heptane, the moles of sulfuric acid produced from 0.24 kg of H2SO4, and the moles of H2O formed from 12500 mg of H2O.
Question 19: This question asks students to calculate the number of grams of sodium chloride needed to have 4 moles of this substance.
Question 20: This question asks students to calculate the molar mass of a substance given the mass used and the number of moles.

I hope this is helpful!

This is the second part of the Ecology evaluation. The open answer questions in this evaluation assess students' understanding of ecological interactions and the impact of introduced species on native populations.

Students are asked to identify four ecological interactions present in the Cerros Isla ecosystem and describe each interaction, mentioning the species participating in each case. This question assesses students' ability to identify and describe the different types of ecological interactions that can occur between species.

Students are then asked to explain one of the ecological interactions present in the text, indicating whether the interaction is positive, neutral, or negative for each participant. This question assesses students' ability to apply their knowledge of ecological interactions to real-world examples.

Next, students are asked to explain two ways in which introduced species alter native populations, including their knowledge of ecological interactions in their answer. This question assesses students' ability to understand the complex ways in which introduced species can interact with native species and impact native populations.

Finally, students are asked to give one example of an introduced invasive species and explain its impact on native flora and/or fauna. This question assesses students' ability to identify and describe the impact of introduced invasive species on native ecosystems.

Overall, the open answer questions in this evaluation provide a comprehensive assessment of students' understanding of ecological interactions and the impact of introduced species on native populations.

The evaluation is the first part of two, which has 20 multiple choice question that covers a wide range of topics in population ecology, including:

Overall, the evaluation is a comprehensive assessment of students' understanding of the key concepts in population ecology.

The second part is also found in my published materials.

The evaluation is a multiple choice quiz on the topic of photosynthesis with 8 questions. It is designed to assess students' understanding of the key concepts of photosynthesis, including the reactants and products of the light dependent and light independent reactions, the enzymes involved in photosynthesis, and the importance of photosynthesis for energy, oxygen, and carbon dioxide. Also, includes one open question focused on the importance of photosynthesis.

The worksheet "Study Guide: Chemical Reactions" is a comprehensive overview of chemical reactions, including their types, characteristics, and factors that affect their rates. The worksheet covers a wide range of topics, including:

The worksheet includes a variety of activities and questions to help students learn and apply the concepts covered. Students are asked to define key terms, identify the type of reaction for given equations, and explain the evidence of chemical reactions. They are also asked to design experiments to slow down the rate of reaction.

Overall, the worksheet "Study Guide: Chemical Reactions" is a valuable resource for students who are learning about chemical reactions. It provides a clear and concise overview of the topic, as well as opportunities for students to practice their understanding.

This resource contains various exercises for the students to practice methods to balance chemical equations. It also contains questions in order to relate the law of conservation of mass with balancing equations.

The following infographic contains information in order to call the attention of the audience about the problem that is happening in our planet: deforestation. This poster is focused in taking care of the biodiversity and a call for taking action and inform about it.

The following poster contains information in order to call the attention of the audience about the problem that is happening in our planet: too much contamination. This one is focused in recycling in order to save the oceans because there is too much trash in them and it is killing their biodiversity.

El siguiente recurso contiene los diversos métodos y técnicas de estudio. Está enfocada en cualquier estudiante que no sepa cómo estudiar y cuál es la mejor manera de hacerlo. El objetivo es que prueben los que les interesen y así poder encontrar el que más le acomode a cada uno.

The following lesson is focused in teaching the main concepts related to limiting reactants and percentage yield. For this, both concepts are defined and exemplified with common contexts. At the end, the student. will have to identify the limiting reactant and calculate the theoretical yield.