oline is a non-polar liquid that will float on water. 450 grams of gasoline is spilled...
8. Ice has a density of 0.91 g/cm2, so it will float in liquid water. Imagine you have a cube of ice, 10 cm on a side. (a) What is the cube's weight? (b) What volume of liquid water must be displaced in order to support the floating cube? (c) How much of the cube is under the surface of the water?
7). a). Is the acetone molecule non-polar or polar? Circle. Non-polar Polar b). Sketch pictures of the intermolecular forces that would occur between the molecules of acetone and the molecules of 2- propanone if you have a mixture of the two liquids. What would be the main type of IMF that is responsible for the attraction? (Give a name for the IMF). c). The pentane molecule and the 2-pentanone molecule both have five carbon atoms on their structures. Why 2-pentanone...
need it asap pls
10. An object will float at the surface of a liquid if the mass of the object is less than the mass of the liquid that it displaces. A spherical vessel (diameter = 2.00 cm) when empty has a mass of 2.00 g. What is the greatest volume of water that can be placed in the vessel and still have the vessel float at the surface of water? (Given: density of water - 1.00 g/cm)
II. Water is a polar solvent; CCI4 (Carbon tetrachloride) is a non-polar solvent. In which solvent will the following substances be soluble? Explains briefly. (8 points) a) LINO3 b) gasoline c)C6H6 d) Na2S04
part B
Limiting Reactants Theoretical Yield, & Percent Yield (10 points): 18. 3.78 Liers of gasoline reacts with 6510 Lof oxygen gas, the gosoline will combust forming carbon dioxide gas and water vapor (gaseous water). Assume that gasoline is liquid octane, CeHie (density g/mL), and that the reaction occurs at 1.0o atm and 273 K. a, write a balanced equation for this combustion reaction in the box below: t H20 2 H 18 the theoretical yield of carbon b. What...
gas is on top of liquid.
2. 24.5g water is in a container at 30.0L at 298.15 K. The vapor pressure of water at this temperature is 0.030 atm. The gas constant is 0.08206 L'atm/(mol-K). The density of water is 998 kg/m. The molar mass of water is 18.02 g/mol. a. What phases are present in this container At what volume would only the gas phase be present? b. At what volume would only liquid be present? C.
2. 24.5g...
1. A particular brand of gasoline has a density of 0.737 g/mL at 25 ∘C. How many grams of this gasoline would fill a 13.7 gal tank (1US gal=3.78L)? 2. The density of iron is 7.87 g/mL. What is the mass of a 4.00 cm × 4.00 cm × 1.00 cm block of iron? Express your answer to three significant figures and include the appropriate units. 3. Express the quantity 35.1×10−4m in mm. Express the quantity m in mm. 35.1...
2(10 points) A solution is prepared by dissolving 25.00 grams o f ba rium nitrate, Ba(NO) in sufficient water to make 500.0 mL of solution. A 25.0 mL sample of this is diluted with water to a final volume of 200.0 mL. What is the molarity of the final solution? (Ba(NO>-398.6 g/mol) 3. (10 points) Consider a solution prepared by mixing 349 grams of methanol, CHOH CHOH-320 g/mol) and 750 grams water. The final volume of the solution is 1105...
Three balls were measured and placed in a liquid. Based on the following data, what could be the density of the liquid? Object Float? (yes or no) Mass Volume Ball X No 25.0 g 24.0 c Ball Y Yes 82.0 g 96.0 cc Ball Z No 14.2 g 14.8 ce OA119/mL OB. 1.0g/mL O C.09 g/mL OD.O.8 g/mL
1. Indicate which of the following would be considered physical properties (P) and which would be considered chemical properties (C) of iron. ー-a. Iron reacts with oxygen to form iron oxides. b. Iron is a good conductor of heat and electricity. C. Iron melts at 1535°C. d. When iron is immersed in a solution of hydrochloric acid, hydrogen gas is produced. e. Iron becomes red-hot when heated. __ f. A500-cc volume of iron has a mass of 3930 g. Iron...