No explanation No explanation needed, only answer please! thank you! 18. Label each of the following...
CHEM QUESTIONS PLEASE ANSWER CORRECTLY !! AND EXAMPLE HOW TO DO IT 1.Classify each of the following as a chemical change or physical change: burning gasoline, making ice cubes, boiling oil, melting lead, rusting iron, making ammonia from nitrogen and hydrogen, digesting food 2. how many grams are in the following? a. 1kg b.1mg 3. make the following conversions a. 42.6 kg to L B . 1.62 lb to g c.34 in to cm d.37.2 km to mi e.2.73 gal...
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1. Because density is a physical property of matter? 2. Is density an extensive or intensive property? 3. Which has less density, liquid water or ice?. Why? 4. Calculate the density of a metal object with a volume of 20.2 cm3 and a mass of 159 g. Say the type of material of the object if in a table we find the following...
#1
please answer all components.
Question 1 (6 points) Consider the following fatty acids. Label each one as saturated, monounsaturated, polyunsaturated, or trans. Circle the one you would expect to have the lowest melting point. Draw a rectangle around the one you would expect to be the most resistant to oxidation но но но HO
Question 1 (6 points) Consider the following fatty acids. Label each one as saturated, monounsaturated, polyunsaturated, or trans. Circle the one you would expect to...
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19. What is the best choice of reagent(s) to perform the following transformation? OCHA a. CH,OH, H,SO b. CH:I, H2SO4 c. NaOCH d. CH,Li 20. What is the major organic product obtained from the following reaction of ethyl benzoate with the OH нс ск 1. 2 eq. CH3MOCI | Phocн,сн, 2. H,0* PhDcн, CH Ph CH P OHP OCH CHE a. b. 1 2 3 4 C....
<Food Chemistry Question> Please solve all questions with specific explanation thank you. Food Chemistry – Discussion – Mono- and Oligosaccharides For the discussion questions, the table below, in addition to the tables in the lecture notes will be helpful. Table 1. Sugars comparison—physical properties Fructose Glucose Sucrose Sweetness relative to sucrose 117 65 100 Solubility at 25C, g/g H2O 4 1.04 2.07 Water (%) absorption at 20C 60% RH for 9 days 0.63 0.07 0.03 100% RH for 25...
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Acetic anhydride is a clear liquid with a pungent, penetrating, vinegar-like odor. The largest application of acetic anhydride is as a raw material in manufacturing cellulose acetate fibers and plastics. It is also used in the production of aspirin, acetaminophen and other pharmaceuticals manufacturing. In an intermediate step in the production of acetic anhydride, carbon monoxide and carbon dioxide are reacted with hydrogen to make methanol according to the following balanced chemical equations:...
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Case Study: You are a nurse working in an emergency department. Your new admission is a 22 year-old-male brought in by the paramedics after fainting during a try out session for his university's competitive hockey team. The patient states he was experiencing some chest pain and dizziness right before fainting. He denies having any past medical history or taking any medication. His vital signs at the time the paramedics arrived at the...
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1. What is the ideal gas law? Write the equation below and label all the components of the equation. 2. Write the balanced chemical equation for the reaction between Mg and HCI below include phases of each constituent. Mg + HCI 3. If a student used an excess of HCl to dissolve 0.045 grams of pure Mg ribbon, and collected the gas in a test tube over water how much H2...
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4) Calculate the molar solubility of a barium fluoride solution that contains 6.5 x 10 M barium nitrate. 5) Calcium nitrate is slowly added to a solution that contains 0.10 M PO ions and 0.10 M OH ions. a) Which ion will precipitate first? Kp of Ca (PO4)2 1.2 x 10 25, Kp of Ca(OH), 4.68 x 10 b) When the second precipitate starts to...
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Chapter 9, Solutions, Review & Extra Credit. 2 Points for each XC correct answer; 6 points total, max. Partial Credit given. Suggestions...work in teams [it will improve the learning experience] 1. Solutions-A solution forms when a solute (the smaller quantity) dissolves in a solvent (the larger quantity). In a solution, the particles of solute are evenly distributed in the solvent. A solute may be a gas, liquid or solid. A...