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- An organic chemist measures the temperature T of a solution in a reaction flask. Here is the result. T=48.7 °C Convert T to SI units. Round your answer to 1 decimal place. OK x10arrow_forwardWhat will be the height of a column of chloroform (density = 1.49 x 103 kg/m3) that will be supported by a pressure of 2.00 x 105 N/m2? 1 N = 1 kg - m/s2. The acceleration due to gravity is 9.807 m/s2.arrow_forward55. A typical rate of deposit of dust ("dustfall") from unpolluted air is 10. tons per square mile per month. What is this dustfall, expressed in mg per square meter per hour? Assume 1 ton = 2000. lbs. and 1 month = 30 days.arrow_forward
- A chemistry student needs 60.00 g of 2-nitroethanol for an experiment. He has available 1.2 kg of a 19.8% w/w solution of 2-nitroethanol in water. Calculate the mass of solution the student should use. Round your answer to 3 significant digits. X Sarrow_forwardA certain liquid X has a normal boiling point of 107.80°C and a boiling point elevation constant Kb=1.02·°C·kgmol−1. A solution is prepared by dissolving some glycine (C2H5NO2) in 800.g of X. This solution boils at 109.1°C. Calculate the mass of C2H5NO2 that was dissolved. Round your answer to 2 significant digits.arrow_forwardDennis obtained a clean, dry stoppered flask. He determined the mass of the flask and stopper to be 32.634 g.He then filled the flask with water and determined the mass of the full stoppered flask to be 59.479 g. Based on the temperature of the water, Dennis found the density of water in the Handbook of Chemistry and Physics to be 0.998730 g/mL. Calculate the volume of the flask.arrow_forward
- A soda bottle is flexible enough that the volume of the bottle can change even without opening it. If you have an empty soda bottle (volume of 2.0L) at room temperature (25°C), what will the new volume be if you put it in your freezer (-4°C)?arrow_forwardIf 10.0 g of cream at 15.4°C are added to an insulated cup containing 100.0g of coffee at 72.2°C. Calculate the equilibrium temperature of the coffee. You may assume no heat is lost to the cup or surroundings, and that any physical properties of cream and coffee you need are the same as those of water. Be sure your answer has the correct number of significant digits.arrow_forwardChicago uses 1.2x10^9gallons of water/day. How many liters per second must be pumped from the lake every second to supply the city? (1 gal= 3.79 L)arrow_forward
- Physical properties are often used to help identify substances, for example if a liquid is seen to boil at 100 degrees C and freeze at 0 degrees C, there is a good chance that the liquid is water. Let’s say you take a 125 g piece of solid metal, heat it to 288 degrees C, and drop it into 85 mL of 25 degree C water. After a brief period of time, the temperature of the water and the solid metal equilibrate to 57 degrees C. What might the metal be?arrow_forwardA new linear temperature scale, degrees Zunzol (∘Z∘Z), is based on the freezing point and boiling point of a newly discovered compound zunzol. The freezing point of zunzol, −87.9 ∘C,−87.9 ∘C, is defined as 0 ∘Z,0 ∘Z, and the boiling point of zunzol, 82.2 ∘C,82.2 ∘C, is defined as 100 ∘Z.100 ∘Z. What is the freezing point of water in degrees Zunzol?arrow_forwardWhat is the boiling point of 0.0585 m aqueous calcium chloride, CaCl2? Use the formula for the salt to obtain i. The boiling point of water is 100.0 °C and the Kb=0.512°C/m for water. Express your answer to two decimal places.arrow_forward
- General Chemistry - Standalone book (MindTap Cour...ChemistryISBN:9781305580343Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; DarrellPublisher:Cengage LearningWorld of ChemistryChemistryISBN:9780618562763Author:Steven S. ZumdahlPublisher:Houghton Mifflin College DivChemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage Learning