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- A machinist creates a solid steel part for a wind turbine. The part has a volume of 1,015 cubic centimeters. Steel can be purchased for $0.35 per kilogram and has a density of 7.95 g/cm3. If the machinist makes 500 of these parts, what is the total cost of the steel?Throughout the 20th century, a huge amount of water has been diverted from the Colorado river in the US for irrigation purposes, leaving the remaining river much higher in salinity. This water has oftenbeen saline enough that it is useless to Mexico for irrigation purposes. 49 water samples are collected salinityppm 1 148.51 2 144.91 3 144.96 4 148.55 5 145.8 6 143.84 7 146.78 8 146.11 9 146.41 10 147.21 11 145.62 12 147.75 13 145.94 14 147.1 15 148.7 16 147.31 17 145.72 18 148.81 19 148.49 20 147.55 21 146.9 22 145.08 23 149.26 24 145.14 25 150.99 26 149.62 27 145.91 28 144.24 29 144.91 30 146.94 31 145.88 32 145.67 33 144.4 34 146.31 35 144.75 36 142.9 37 145.6 38 148.33 39 145.19 40 147.68 41 143 42 146.28 43 147.49 44 147.03 45 146.62 46 145.05 47 144.62 48 144.25 49 146.65 (a) To remedy this issue, Congress has passed a law that the salinity of the Colorado river as it passes…The Water level was 15 milliliters before adding the chain, and 20 milliliters after adding item chain. when I weighed the chain, it's mass was 64.8 grams. I believe the chain is solid metal but it's probably a blend of gold and other metals. I looked up that gold has a density of 19.3 g/ml, while the other metals like silver and copper usually blended with gold have a combined density of about 9.7 g/ml. determine what percentage of the chain is gold, by mass, to at least 1 decimal place? ___%
- 4. Compute the total volume in cubic meter using Average-End Area Method. Solution must be in Basket Method. The answer should be Round off to two decimal places. Draw the figure.A large rank contains 100 gal of brine in which 10 ib of salt is dissolved, Brine containing 0.2 Ib of salt to the gallon runs into the tank at the rate of 6 gal/min, The mixture, kept uniform by stirring, runs out of the tank at the rate of 4 gal/min, Find the arount of salt in solution in the tank at the end of t minute,a. About how accurately must the interior diameter of a 10-m-high cylindrical storage tank be measured to calculate the tank’s volume to within 1% of its true value? b. About how accurately must the tank’s exterior diameter be measured to calculate the amount of paint it will take to paint the side of the tank to within 5% of the true amount?
- A 131 L mixing tank initially contains 58 L of brine solution with 310 g of dissolved salt. Brine solution with a concentration of 8 g/L flows into the tank at a rate of 7 L/min. The solution inside the tank is kept well-stirred and is discharged at the rate of 4 L/min. Determine the concentration of the solution, in grams/liter, inside the tank at the moment before it overflows.Charles and his younger brother, Edward, purchased Carpita Bottling Company from their father in 1983. The company bottles and distributes soda and beer in Nakuru. Since purchasing the company, Charles has been instrumental in modernizing operations. One of the latest acquisitions is a filling machine that can be adjusted to fill at any average level desired. Because the bottles and cans filled by the company are exclusively the 12-grams size, when they received the machine, Charles set the fill level to 12 grams and left it that way. According to the manufacturer’s specifications, the machine will fill bottles or cans around the average, with a standard deviation of 0.15 grams. Charles just returned from a convention at which he attended a panel discussion related to problems with filling machines. One bottling company representative discussed a problem her company had. It failed to learn that its machine’s average fill went out of adjustment until several months later, when its cost…There is a large mixing tank that initially holds 120 gallons of brine (water in which salt has been dissolved). Another brine solution is pumped into the tank at a rate of 3 gallons per minute. The tank keeps the mixture well-stirred, and the solution is pumped out of the tank at the same rate of 3 gallons per minute. If the solution being pumped into the tank has a salt concentration of 12 lb/gal, and the tank initially contained 60 lb of salt, find how much salt will be in the tank after 30 minutes. Round to the nearest pound.