PPT-Unit 4 Quiz 2 – Moles and Formulas

The Review you need a periodic table piece of scrap paper and calculator Review Game Rules I will ask a question to the class Each participant thats you writes down the answer silently. th. . 10 minutes to study for Unit 5 Vocabulary Quiz. Take Unit 5 Vocabulary Quiz (@ noon). After quiz, respond to . Do Now. Prompt. Introduction to SGGK. Read . SGGK. , answer two questions. Respond to video question. Do Now: from last years regents. Chemical Formulas. Tell . type. & . number. atoms in compound. Microscopic level: . Formula gives atom ratios. Macroscopic level: . Formula gives mole ratios. EXAMPLE. . Test Stubs and Moles . for .NET. Peli. de Halleux. , Nikolai Tillmann. Research in Software Engineering. Microsoft Research, Redmond. , USA. 1999… people packing groceries for the Y2k bug. How do you replace . Lecture 3 Topics. . Brown. , chapter 3. 1. Moles. . . 3.4. Molecular mass (aka . molecular . weight) . . 3.3. 2. Molar . converstions. Percent composition . 3.3. Empirical formulas . Molecular Formulas. Let’s use those mole conversions!. Empirical formula . tells you the lowest ratio of atoms within a molecule. Molecular formula . tells you the actual ratio of atoms within a molecule. Testing. ICTSS’11 . Tutorial. Nikolai . Tillmann. Microsoft Research. Outline. First part: . 14:00 . - . 15:00pm. Second part: . 15:30 . - . 17:00pm. Outline. Unit Testing. Isolation. Parameterized Unit Testing. 5/22 DO NOW. 1. . Out of the following topics, list the top 3 you struggle with the most. - Calculating Molar Mass. - Balancing Reactions. - Converting from Mass to Moles. - Converting from Moles to Mass. Do Now: Convert the following. What is the conversion factor for . feet to inches: 1 foot = ___inches. Feet to yards: 1 foot = ___yards. c) 12 . ft. = ___________ inches. d) 72 inches = ________ yards. Chocolate Chip Cookies. Cookie Recipe . 1.5 c sugar. 1 c. butter. 3 eggs. 2.25 c. flour . 2 c. chocolate chips . makes 25 cookies. Using the following recipe, complete the questions. . . If you have 6 c. of sugar, how many eggs will you need to use all of it?. Measurements & Sig Figs. Warm-Up. Turn in all paper work to the tray. Put electronics in the boxes. Binder Setup. Tab 1: . Reference Material. Add Syllabus, Bathroom Passes, Element List. Tab 2: . Lundquist -- 2016. Properties of Matter. Unit 2.1. Describing Matter. Extensive. Dependent on amount. Mass. Volume. Weight. color. Intensive. Amount does not matter. Boiling point. Melting point. Density (. By: Skye Smith. What is Mass?. Mass can be defined as a quantitative measure of an object's resistance to the change of its speed. . Scientifically speaking, mass IS different than weight, which is the measure of a planet’s gravitational force on an object. Lowest whole # ratio . H. 2. O. 2. (hydrogen peroxide) is it a empirical Formula?. No, you can reduce it to HO . . H. 2. O. 2 . is the molecular formula. Molecular formula shows the way the molecule is actually found in nature..  . What’s a mole?. The . mole. is a unit of . measure. .. Just like meters tells us . length. and seconds tells us how much . time. , . the . mole. measures an . amount. . (how much).. Units of measure similar to mole include: .