If 800 g of a 10% coal tar ointment is mixed with 1200 g of a 15% coal tar ointment, what is the weight of the finished product?
Q: A roll of kitchen aluminum foil is 30 cm wide by 22 m long (if you unroll it). If the foil is 0.15…
A: (a) 2.67 kg
Q: A certain power plant uses fuel with heating value of 34,000 kJ/kg. What is the density of the fuel…
A: Heating value Q = 34,000 kJ/kg Temperature T = 573 R
Q: What is the mass, in kg, of a deep breath of air having a volume of 2.00 L
A: Given, Volume =2 L the density of air is 1.29 kg/m^3 Density=Mass/volume Mass=Density x Mass
Q: A large balloon used to sample the upper atmosphere is filled with 505 m3 of helium. What is the…
A: volume of helium (V) = 505 m3To find : the mass of helium gas in kg
Q: A small statue is recovered in an archaeological dig. It's weight is measured to be 52.4 pounds, and…
A: The weight density is
Q: What is the volume of a piece of platinum (? = 22.6 g/cm3) that has a mass of 0.25 kg?
A:
Q: You have a cube of unknown metal alloy that measures 2 cm on a side. If the cube has a mass of 63.8…
A: The mass of a cube is, m=63.8 grams The side of a cube is, a=2 cm The volume of a cube is, V=a3=2…
Q: A 68 kg college student’s body has a typical density of 1050 kg/m2. What is his volume?
A: Given data The mass student’s body is: m = 68 kg The density of the body is: ρ = 1050 kg/m3 The…
Q: Vehicle gasoline has a density of about 737 kg/m³. Sea water has a density of about 1025 kg/m³. If 1…
A:
Q: Table wines have a minimum specific gravity of 1.090. If a barrel of wine contains 79 gallons what…
A: Given, Specific gravity of wine is 1.090 Volume of wine is 79 gallon
Q: A boat (with a flat bottom) and its cargo weigh 6,000 N. The area of the boat's bottom is 9 m2. How…
A: The weight of a boat is, W=6000 N The boat's bottom area is, A=9 m2
Q: An ideal gas is in a room held at a constant temperature and the pressure set at 4 atmospheres…
A: Given data: An ideal gas held at constant temperature Initial pressure (P1) = 4 atm Initial volume…
Q: DEA agents watch drug smugglers load 10,000 N of cocaine onto a fishing boat to transport it from…
A: weight = 10000 N density of saltwater = 1025 kg/m3area of base of boat = 50m2
Q: large balloon used to sample the upper atmosphere is filled with 400 m3 of hydrogen. What is the…
A:
Q: The mass of a liter of milk is 1.032 kg. The butterfat that it contains has a density of 865 kg/m3…
A: Since the butter fat constitutes 4.0% by volume, the volume of fat is 4.0% of 1m3 which is 0.04m3.…
Q: You are observing two people carrying groceries. The smaller person has a mass of 40.0 kg and can…
A:
Q: How many copper atoms are in a pure copper statue with a mass of 130 kgkg ? Express your answer…
A: Copper has a molar mass equal to 63.546 g/mol. This means that one mole of copper contains…
Q: Gold is sold by the troy ounce (31.103 g). What is the volume of 1 troy ounce of pure gold?
A: The density is given by,
Q: A large balloon used to sample the upper atmosphere is filled with 330 m3 of hydrogen. What is the…
A:
Q: A body is found and the temperature is measured at 34.6 degrees Celsius, 30 minutes after the…
A: For such question newtons Law of cooling should be used.It states when a body cools from…
Q: What is most approximately the volume of water needed to be produced for putting off fire in case of…
A: Given : exposure factor =0.31, communication factor =0.41, First floor area =8400 ft2, Second floor…
Q: A large balloon used to sample the upper atmosphere is filled with 490 m3 of hydrogen. What is the…
A: Given, Volume of hydrogen V = 490 m3 density of hydrogen ρ= 42 Kg/m3 We know that mass is m=V×ρ
Q: How many kg/m3 is 1 g/cm3?
A:
Q: New more economical water showers would add approximately 8l/min. If the user takes a shower once a…
A:
Q: Air is 21% oxygen by volume.Oxygen has a density of 1.31 g/L.What is the total volume of air in a…
A: Given data: Volume of oxygen = 21% of volume of air Density of oxygen (ρ) = 1.31 g/L Mass (m) = 75…
Q: A cylinder 20cm long and 6cm in radius is made of two different metals bonded end to end to make a…
A: Every body on the Earth has its mass and occupies some volume. The concentration of mass in a given…
Q: A cylinder made of either alumnium or brass has a mass of 250 g and a diameter of 10 cm. What is its…
A:
Q: A 30-meter length of heavy-duty electrical cable weighs a total of 150 kilograms. What is the…
A: Given, length of the cable, l= 30 meter Weight, m= 150 kg
Q: A large balloon used to sample the upper atmosphere is filled with 395 m3 of helium. What is the…
A:
Q: Assuming biological substances are 100% water, estimate the mass of a fly. Take a fly to be roughly…
A:
Q: The mass of a liter of milk is 1.032 kg. The butterfat that it contains has a density of 865 kg/m3…
A: volume of milk = 1lit = 10-3 m3Volume of fat = 4100x10-3 = 4 x 10-5m3
Q: During the summer, the height of the water in a pool decreases by 4.25 inches each week due to…
A:
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