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- The half-life of Palladium-100 is 4 days. After 12 days a sample of Palladium-100 has been reduced to a mass of 6 mg.Approximate the solution to ln 4x = 3.2. Round to 3 decimal placesA large tank filled with 500 gallons of pure water. Brine containing 2 pounds of salt per gallon is pumped into the tank at a rate of 5 gal/min. The well-mixed solution is pumped out at the same rate. What is the concentration of thesolution in the tank at t = 5 min? Answer is 0.0795lb/gal
- An unknown radioactive element decays into non-radioactive substances. In 320 days the radioactivity of a sample decreases by 74 percent. Need help with part aGive an upper and a lower estimate of the total quantity of oil that has escaped after 8 hrs.Suppose a shower head pours 1.3 gallons of water per minute into the tub. The drain has a clog and allows for only 0.6 gallons of water per minute to exit the tub. What is the net flow that applies to the tub (in gallons per minute, rounded to the nearest 0.1 gal/min).
- If two girl differ in height by 4pm by how much would you expect their FEV1 Predict the FEV1 for a boy who is 1.2 m tall, if the measurement was taken at a pressure of 700 mm and last years measurement was 2.113 L (round to four decimals places)Find the antiderivative of 2x((ln(10x))2if a 0.192 g sample of copper metal reacts with elemental sulfur to form 0.240 g of the sulfide product, (a) find the percent by mass of copper and sulfur in the product and (b) find the empirical formula of the copper sulfide. PLEASE show your work