
gasoline has a density of 0.74 g/mL. how many milliliters of gasoline have a mass of...
Gasoline has density of 0.74 g/mL. How many milliliters of gasoline have a mass of 0.60 kg? Express your answer to two significant figures and include the appropriate units.
A) A particular brand of gasoline has a density of 0.737 g/mL at 25Celsius. How many grams of this gasoline would fill a 12.9 gal tank (1US gal=3.78L)? B) A block of metal has a width of 3.2 cm, a length of 17.1 cm, and height of 4.3 cm . Its mass is 1.1 kg . Calculate the density of the metal.
15. How many milliliters of glycerine (density =1.26 g/mL) will have a mass of 0.75 lb? a. 175 ml b. 62 mL c. 270 mL d. 400 mL e. none of the above Ne 16. What is the density of a cubic metal if it has a mass of 31.0 g and it measures 2.50 each side? a. 2.55 b. 12.4 c. 5.75 d. 1.98 e. none of the above 17. A metal with a mass of 5.75 g was...
How many milliliters of concentrated hydrochloric acid solution (36.0% HCl by mass, density = 1.18 g/mL) are required to produce 10.0 L of a solution that has a pH of 2.22?
1. how many milliliters of water at 15 degrees C with a density of 1.00 g/ml must be mixed with 75 mL of instant coffee at 100 degrees C so that the reuslting combination will have a temperature of 60 degrees C? Assume that coffee and water have the same density and the same specific heat. 2. a cylinder has a mass of 3262.6 mg. a graduated cylinder filled with water had an initial volume of 1.42 L. when the...
Part A How many milliliters of concentrated hydrochloric acid solution (36.0% HCl by mass, density = 1.18 g/ml) are required to produce 16.0 L of a solution that has a pH of 2.197
QUESTION 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 13.2 gal tank (1US gal=3.78L)? Express your answer to three significant figures and include the appropriate units. QUESTION 2: A block of metal has a width of 3.2 cm, a length of 17.1 cm, and height of 4.2 cm . Its mass is 1.2 kg . Calculate the density of the metal. Express your answer...
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...
When 1.0 g of gasoline burns, it releases 11 kcal of heat. The density of gasoline is 0.74 g/mL. Part A How many megajoules are released when 4.0 gal of gasoline burns? Part B If a television requires 150 kJ/h to run, how many hours can the television run on the energy provided by 4.0 gal of gasoline? Can someone explain on paper how they got their answer... Its confusing.
If the density of ethanol, C2H5OH, is 0.789 g/mL. How many milliliters of ethanol are needed to produce 15.0 g of CO2 according to the following chemical equation? C2H5OH(l) + 3 O2(g) → 2 CO2(g) + 3 H2O(l)