Concept explainers
(a)
Interpretation:
Weight in
Concept introduction:
A multi-step process that involves division or multiplication by numeral factors and thus helps in conversion between different units of measurement is said to be unit conversion factor.
(b)
Interpretation: Mass in kg of an object that weighs 25 N
Concept introduction:
A multi-step process that involves division or multiplication by numeral factors and thus helps in conversion between different units of measurement is said to be unit conversion factor.
Interpretation:
Weight in dynes of a 10 ton object
Concept introduction:
A multi-step process that involves division or multiplication by numeral factors and thus helps in conversion between different units of measurement is said to be unit conversion factor.
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Chapter 2 Solutions
EBK ELEMENTARY PRINCIPLES OF CHEMICAL P
- What do you weigh in a milligrams; b grams; c kilograms? Which of these units do you think is best for expressing a persons weight? Why?arrow_forward5. An Olympic-size pool is 50.0 m long and 25.0 m wide. c. How many gallons of water (d = 0.998 g mL-¹) are needed to fill the pool to an average depth of 7.2 ft.? d. What is the mass (in kg) of the water in the pool?arrow_forwardtion 24 of 27 An empty beaker weighs 31.99 g.31.99 g. When completely filled with water, the beaker and its contents have a total mass of 405.55 g.405.55 g. What volume does the beaker hold? Use ?=1.00 g/mLd=1.00 g/mL as the density of water. volume: mLmL How much would the beaker and its contents weigh if it was completely filled with mercury? The density of mercury is ?=13.5 g/mL.d=13.5 g/mL. total mass:arrow_forward
- 5. An irregularly shaped piece of metal is placed in a graduated cylinder containing 15.0mL of water. After the metal was added, the water level rose to 27.6mL. The piece of metal was weighed and the mass was found to be 0.53323kg. Determine the density of the piece of metal in g/cm'. 3arrow_forwardWhat is the density of an object of mass 45.00 g and volume 25.0 mL? 1._______ / 2.________ = 3.___________ Include units in the answer to each part and correct significant in the final answer.arrow_forwardWhat is the volume of an object of mass 20.00 g and density 2.0 g/mL? 1._______ / 2._______ = 3.________ Include units in the answer to each part and correct significant figures in the final answer.arrow_forward
- 1. It is known that the boiling point of water on the Kelvin temperature scale is 373.15 K and the freezing temperature of water is 273.15 K. A temperature scale, called the Reaumur (R) scale, is defined by identifying the freezing point of water as 0.0°R and the boiling point of water as 80.0°R. What is 62.3°R on the Kelvin scale? Clearly define your variables.arrow_forward2. An object has a volume of 0.0012 m3 and a mass of of 2.26 kg. Calculate the density of the object in g/cm3.arrow_forwardQ1. from 0.8778 g/mL, please calculate the mass (in ug) of 71.38 nL of liquid 1. following this information below The volume of a given liquid is defined as the amount of the space occupied by the liquid that fully spreads to fill the storage place in which it is kept. The mass present per unit volume is known as density. Given data: Mass of empty pycnometer is 51.870 g. Mass of pycnometer when filled with liquid 1 is 86.313 g. Volume of pycnometer is 39.24 mL. Calculations The mass of liquid 1 can be calculated as shown below: Mass of liquid 1===(Mass of pycnometer when filled with liquid 1)−(Mass of empty pycnometer)86.313−51.87034.443 gMass of liquid 1=Mass of pycnometer when filled with liquid 1-Mass of empty pycnometer=86.313-51.870=34.443 g Volume of liquid 1 = Volume of pycnometer Hence the volume of liquid 1 is 39.24 mL Now, the density of liquid 1 can be calculated as follows: Density of liquid 1===Mass of liquid 1Volume of liquid 134.443 g39.24 mL0.8778…arrow_forward
- A motorcycle’s fuel tank has a capacity of 0.0221 kL and the motorcycle can travel 15.0 km/L. 1. How many liters of fuel would be needed to travel 62.4 km? 2. How long of a trip, in kilometers, can be made on one tank of gasoline? 3. If the density of gasoline is 0.738 g/mL, what is the mass (in grams) of the fuel in the tank when it is full? 4. When 1.00 g of gasoline burns, 4.70 kJ of energy is released. Based on your answer for question 3, how many kilojoules are produced when the fuel in one full tank is burned? Write your answer in scientific notation.arrow_forward| Automobile batteries contain sulfuric acid, H2SO4, commonly called "battery acid". This is a solution of H2SO4 in water. Using the following questions, calculate the number of grams of sulfuric acid in 1.00 gallon of battery acid. This solution has a density of 1.28 g/mlL and contains 38.1 % by mass of H2SO4 for the solution [i.e., This means 38.1 grams H2SO4 in each 100.0 grams of solution.] (a) How many milliliters are in 1.00 gallon? ml solution (b) Use the density to determine the total number of grams of solution in 1.00 gallon. Hint: remember to use the volume in milliliters from (a). g solution/1.00 gallon (c) Use the mass ratio to find the amount of H2SO4 in this amount of solution (1.00 gal) g H2SO4arrow_forwardAn irregularly shaped rock weighs 268.42 kg. It is placed in a cylinder that had 50.6 L of water. Once the rock is placed inside the cylinder, the water rises to 58.46 L. A.) What usbthe volume of the rock? B.) What us the density of the rock in g/mLarrow_forward
- Introductory Chemistry: An Active Learning Approa...ChemistryISBN:9781305079250Author:Mark S. Cracolice, Ed PetersPublisher:Cengage LearningChemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage Learning