0.737 g/mL g / m L at 25 ∘C ∘ C . How many grams of...
Homework Answers
QUESTION 1: A particular brand of gasoline has a density of 0.737 g/mL at 25 ∘C....
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...
A) A particular brand of gasoline has a density of 0.737 g/mL at 25Celsius. How many...
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.
1. A particular brand of gasoline has a density of 0.737 g/mL at 25 ∘C. How...
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...
The density of gasoline is a 0.7025 g/mL at 20 degree C. What is the mass...
The density of gasoline is a 0.7025 g/mL at 20 degree C. What is the mass of 2 gallons(ignore sig figs on given volume) of gasoline? (1 qt = 0.9463 L, 4 qt = 1 gal)
The complete combustion of octane, C8H18, a component of gasoline, proceeds as follows: 2C8H18(l)+25O2(g)→16CO2(g)+18H2O(g) Relevant volumetric...
The complete combustion of octane, C8H18, a component of gasoline, proceeds as follows: 2C8H18(l)+25O2(g)→16CO2(g)+18H2O(g) Relevant volumetric equivalencies 1 gal = 3.785 L 1 L = 1000 mL part C Octane has a density of 0.692 g/mL at 20∘C. How many grams of O2 are required to burn 17.0 gal of C8H18? Express the mass in grams to three significant digits.
How many grams of KC2H3O2 are needed to prepare 2.27 L of 0.290M KC2H3O2 solution? (MM KC2H3O2 = 98.14 g/mol) show your...
How many grams of KC2H3O2 are needed to prepare 2.27 L of 0.290M KC2H3O2 solution? (MM KC2H3O2 = 98.14 g/mol) show your work and round your answer to the correct number of sig figs
Propane (C3H8) is used in many home BBQ grills. A) How many grams of CO2 are...
Propane (C3H8) is used in many home BBQ grills. A) How many grams of CO2 are produced when a 5-gal tank is completely combusted? (Write the balanced equation) B) How many kJ are released? Given: Hrxn = -2044kJ/mol; 1 gallon = 3.8 L; Density of liquid propane = .621 g/mL
How many grams of sodium are required to make .555 g of hydrogen gas? Question 27...
How many grams of sodium are required to make .555 g of
hydrogen gas?
Question 27 (2 points) How many grams of sodium are required to make.555 g of hydrogen gas? 2 Na(s) + 2 H2O(1) --> 2 NaOH(aq) + H2(g) a) 6.38 Ob) 1.11 c) 25.5 d) 12.8 e) 51.1 Question 28 (2 points) Which procedure is most appropriate to prepare 200 mL of 0.050 M C6H1206 aqueous solution?
How many grams of Mg(NO3)2 (MM = 148.33 g/mol) would it take to lower the freezing...
How many grams of Mg(NO3)2 (MM = 148.33 g/mol) would it take to lower the freezing point of (4.95x10^2) grams of water by 4.00°C? The freezing point depression constant of water is Kp = 1.86°C/m. Enter your answer in scientific notation with 3 sig figs. Do not include any units in your answer. Do not round any intermediate calculations. Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: X10 Answer
Part B How many grams (of mass m) of glucose are in 185 mL of a...
Part B How many grams (of mass m) of glucose are in 185 mL of a 5.50% (m/v) glucose solution? Express your answer with the appropriate units. ► View Available Hint(s) MÅ ? m = Value Units O You have already submitted this answer. Enter a new answer. No credit lost. Try again. Submit Previous Answers Part You have a solution that is 18.5% (v/) methyl alcohol. If the bottle contains 1.99 L of solution, what is the volume (V)...
How many grams of sodium are required to make .555 g of
hydrogen gas?
Question 27 (2 points) How many grams of sodium are required to make.555 g of hydrogen gas? 2 Na(s) + 2 H2O(1) --> 2 NaOH(aq) + H2(g) a) 6.38 Ob) 1.11 c) 25.5 d) 12.8 e) 51.1 Question 28 (2 points) Which procedure is most appropriate to prepare 200 mL of 0.050 M C6H1206 aqueous solution?
How many grams of Mg(NO3)2 (MM = 148.33 g/mol) would it take to lower the freezing point of (4.95x10^2) grams of water by 4.00°C? The freezing point depression constant of water is Kp = 1.86°C/m. Enter your answer in scientific notation with 3 sig figs. Do not include any units in your answer. Do not round any intermediate calculations. Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: X10 Answer
Part B How many grams (of mass m) of glucose are in 185 mL of a 5.50% (m/v) glucose solution? Express your answer with the appropriate units. ► View Available Hint(s) MÅ ? m = Value Units O You have already submitted this answer. Enter a new answer. No credit lost. Try again. Submit Previous Answers Part You have a solution that is 18.5% (v/) methyl alcohol. If the bottle contains 1.99 L of solution, what is the volume (V)...
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