1. Table sugar, C12H22011, is often sold in cubes. One such cubes has a volume of...
The side of a perfect cube of sugar is 0.75 inches. Answer the following questions: A. Report the length of the cube in cm and mm (show your work) B. What is the volume of the cube? (show your work) C. What is the mass of the cube if the density is sucrose (table sugar) is 1.59g/cm3? D. How many moles of sucrose (C12H22O11) are there in the cube.
if one sugar cube has an edge that is 1.2cm in length, how many sugar cubes are rquired to carpet a house that has 1500 square feet
Water has a density of 1.0 g/cm3. Consider two cubes, one of aluminum and one of copper. If each cube measures 10 cm along an edge, calculate the mass of each cube. physics
two cubes of identical volume but differing density are weighed. The first cube has a mass of 6.30 grams and the second cube has a mass of 3.44 grams. The density of the first cube is 1.55g/mL. What is the density of the second cube?
1. Exactly one teaspoon of granulated sugar is 4.2 grams. The molecular formula of sugar (sucrose) is C12H22011. How many atoms are in 2.5 teaspoons of sugar? 2. You have 2.0 moles of phosphorus pentachloride. How many molecules is that? How many atoms is that?
9) Osmium has a density of 22.6 g/cm3. What volume (in cm) would be occupied by a 41g sample of osmium? 10 Iron has a density of 7.9 g/cm3. What is the mass of a cube of iron with the length of one side equal to 65.0 mm? 11) 9.31 g is the same mass as A) ug B) kg C) D) mg E) dg се 12) According to the United States Food and Drug Administration, the recommended daily requirement...
Sucrose, C12H22011, is table sugar, and it has a (enthalpy of reaction) AH. of –5639.7 kJ/mol. Determine the AH; of sucrose given AH+ (H2O(1)) = -285.8 kJ/mol, and AH+ (CO2(g)) = -393.5 kJ/mol. [3] C12H22O4(s) + 12 O2(g) → 12 CO2(g) + 11 H2O(1)
Table 2: Sugar (Sucrose) Data Mass of unchewed gum (g) Mass of chewed gum (g) Mass of sugar (g) Percent of sugar in gum 5.4 3 2.4 4400 Post-Lab Questions 1. What is the percent sugar? Show your calculations. 2. What is the molar mass of sugar (sucrose, C12H22011)? Show your calculations. 3. Convert the mass of dissolved sugar to moles. Show your calculations. 4. Convert the moles of sugar to molecules of sugar. Show your calculations.
Question 1 0.5 When table sugar is burned in presence of oxygen, carbon dioxide and water vapor are produced according to the unbalanced chemical equation: C12H22011(s) + 02(9) - CO2(g) + H2O(g) How many moles of oxygen are required to react completely with 2.70 mol of sugar? 47 O 32.4 - 65 2.70 O None of these Question 2 0.5 pts Consider the reaction of magnesium metal with hydrochloric acid to produce magnesium chloride and hydrogen gas. If 3.65 mol...
Calculate the surface-to-volume ratio of the following cubes: Cube 1: length, width, and height: 5 mm Cube 2: length, width, and height: 3 mm a. What were the surface-to-volume ratios for Cubes 1 and 2? (2 points) b. Which cube would be more efficient as a cell? (1 point)