Question 3 (1 point) Potential Hazards of Petroleum Naphtha, Hexane, Toluene, and Acetone

May cause eye, skin, nose, and throat irritation. Inhaling or swallowing vapors may be harmful or fatal. Known to cause

birth defects. Vapor may ignite explosively.

The ingredients described above are used to make a bonding agent. The most important safety precaution to take when

applying this bonding agent is to -

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work in a well-ventilated area

cover the work area with newspaper

wear a goggles and lab apron

dry it with a small flame

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If 200.0g of copper(ll) sulfate react with an excess of zinc metal, what is the theoretical yield of copper

What is the main purpose of patent attorneys? defend the company against legal claims manage financial investments invent new products protect rights to new products and processes

7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 – 4 sentences in your explanation. 8. when a 2.5 mol of sugar (c12h22o11) are added to a certain amount of water the boiling point is raised by 1 celsius degree. if 2.5 mol of aluminum nitrate is added to the same amount of water, by how much will the boiling point be changed? show all calculations leading to your answer or use 3 – 4 sentences to explain your answer. 9. if 5.40 kcal of heat is added to 1.00 kg of water at 100⁰c, how much steam at 100⁰c is produced? show all calculations leading to an answer. 10. the freezing of water at 0⁰c can be represented as follows: h2o (l) ↔ h2o(s) the density of liquid water is 1.00 g/cm3. the density of ice is 0.92 g/cm3. in 3 – 4 sentences explain why applying pressure causes ice to melt.