Instructions and Data Table (5 points) Use a steel crucible and cover – heat them before use to dry them. Fill the crucible approximately two-thirds full with sodium bicarbonate. Do not overheat your NaHCO3 sample. It should NOT glow red. Description Result Units 1. Weight of Crucible and Cover (after drying) 47.245 g 2. Weight […]
Part A: Solution Preparation with Copper(II) Nitrate Trihydrate + Salt Weigh out 0.1 mol Cu(NO3)23H2O (MM = 24.6 g/mol) for Solution A. Weigh out 0.2 mol NaCl (MM = 58.44 g/mol) for Solution A = 7 g Prepare Solution A in a 100 mL volumetric flask – add DI water to the mark. Prepare Solutions […]
Question 1 You can use this Excel spreadsheet Download spreadsheet to prepare a graph. Your data points will appear in blue. The “best fit” line will be displayed in red-brown. The spreadsheet will give the best slope estimate, but the average slope calculated using the Data Table in the worksheet is a good estimate. The […]
Part A: Covalent Bonding – How Atoms Share Electrons (13 points) Two atoms form a covalent bond when they share a PAIR of electrons, represented by two dots (:) or a dash (-). In general, each atom contributes one electron to the bond. Hydrogen (H) has just one electron to share, so it can form […]
Procedure – Calorimetry Weigh your candle before and after the experiment! Weigh an aluminum can together with its supporting pencil. Measure approximately 250 mL water; add a small amount of ice to cool it to around 10°C. Transfer the water to the aluminum can and weigh the water + can. This is your calorimeter. Record […]
Procedure and Data for Specific Heat of a Metal Enter the Beyond Labz Calorimetry lab. Click on the Stockroom and select the Dewar flask calorimeter – move it to the front counter. Click on the metal sample case, open a drawer, and move a metal sample to the dish sitting next to the case. Click […]
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I am proposing that the company consider shipping cell phones from China to the United States using the air freight method. Several routes are available that the organization can use to import the product into the country, including air freight, express shipping, and sea freight. The recommendation to use air freight is based on four […]
Answer the following questions about opportunity costs: Define opportunity costs. Opportunity costs are the gains that a person, investor, or company foregoes in favor of another option. If you receive a free ticket to a concert for your favorite music artist, what is your opportunity cost of attending the concert? The opportunity cost of going […]
The negotiation involved Taylor Swift, a renowned country-music artist, and Spotify, a digital music company. Swift initiated the negotiation after she released her best-selling pop album, “1989” in October 2014. The singer had to maximize her earnings, while the digital music provider also aimed to increase revenues from the sale of Swift’s album. The contentious […]