WebMay 27, 2024 · If the water is warmer, it weighs less than 62.3 pounds per cubic foot. At 70 F, a gallon of water weighs about 8.33 pounds, as noted by the USGS Water Science … WebMay 27, 2024 · If the water is warmer, it weighs less than 62.3 pounds per cubic foot. At 70 F, a gallon of water weighs about 8.33 pounds, as noted by the USGS Water Science School. When given the weight of a gallon of water as the starting point, multiply it by 7.48, which is the number of gallons in a cubic foot.

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WebFresh, pure water weighs 8.33 pounds per gallon. Sea water density depends on where in the ocean it comes from and the salinity at that point. Generally it is considered that … WebThen water containing 1=2 lb of salt per gallon is poured into the tank at a rate of 2 gal/min, and the mixture is allowed to leave at the same rate. After 10 min the process is stopped, and fresh water is poured into the tank at a rate of 2 gal/min, with the mixture again leaving at the same rate. election results wollondilly

the Water Footprint of Food - Water Footprint Calculator

WebMar 15, 2015 · The rate at which salt is entering the tank is (2 gal min) ⋅ (1 pound gal) = 2 pounds min The rate at which salt is exiting the tank is (1 gal min) ⋅ ( Q pounds t + 15 gal) = Q t + 15 pounds min This leads to the differential equation dQ dt = 2 − Q t + 15 and the initial condition is Q(0) = 5 To solve this differential equation, write it as Web1 cubic foot of seawater weighs 63.92623 pounds [lbs] Seawater weighs 1.024 gram per cubic centimeter or 1 024 kilogram per cubic meter, i.e. density of seawater is equal to 1 024 kg/m³; at 20°C (68°F or 293.15K) at standard atmospheric pressure . Web"Average" fresh water weighs about 62.2 pounds per cubic foot. Through all the conversions, a gallon of seawater weighs approximately 8.556 or rounded to 8.6 … food pumpkin stencils