Brine from a first tank runs into a second tank at 2 gpm and brine from the second tank runs into the first at 1 gpm. Initially there are 10 gallons of brine containing 20 lb of salt in the first tank and 10 gal of fresh water in the second tank. How much salt will there be in the first tank after 5 minutes?

Q: A tank contains 400 Liters of brine. Twelve liters of brine, each containing 2.5 lb of dissolved…

A:

Q: 3. A 5% doxtrose solution (DSW) contains 5 mg of dextrose per 100 ml of solution. (a) How many…

A: Part(a): Given, 5% dextrose solution (DSW) contains 5 mg of dextrose per 100 ml of solution.…

Q: An apple farm yields an average of 39 bushels of apples per tree when 21 trees are planted on an…

A: (1)  Given that, an apple farm yields an average of 39 bushels of apples per tree when 21 trees are…

Q: A tank is filled with 400 gallons of brine with 25 % dissolved salt. 5 gallons of 20% salt solution…

A:

Q: A tank is filled with 400 gallons of brine with 15 % dissolved salt. 10 gallons of 20% salt solution…

A: Given datavolume of tank=400 gallonsAmount of salt=15% of 400=400*15100=60

Q: A tank is filled with 300 gallons of brine with 10 % dissolved salt. 5 gallons of 20% salt solution…

A: Let the density of the salt be ρ lb./gallon and the mass of salt be Q(t) in the tank after t…

Q: A total of $27000 is invested, part of it at 12% and the rest at 13%. Thetotal interest after one…

A: Let $x was invested in 12% so (27000-x) was invested in 13% After one year interest from 12% account…

Q: The number of bacteria in a bowl increases at a rate of 20.8% per hour. There are currently 12…

A:

Q: Under certain water conditions, the free chlorine (hypochlorous acid, HOCI) in a swimming pool…

A: The formula  N(t) = No e(-kt)  models this decay process well, where   t     = time measured in…

Q: A roasted turkey is taken from an oven when its temperature has reached 185F and is placed on a…

A:

Q: Under certain water conditions, the free chlorine (hypochlorous acid, HOCI) in a swimming pool…

A: Given that the amount of free chlorine to be 2.4 parts per million.Twenty four hours later the…

Q: A 200 gal tank is half full of distilled water. At time = 0, a solution containing 1 Ib/gal of…

A: given capacity of tank =200 gal concentration =1 lb/gal rate of enter =4 gal/min rate of withdrawn…

Q: At 45°C, dinitrogen pentoxide (N2O5) decomposes into nitrous dioxide (NO2)and oxygen (O2) according…

A: According to the law of uninhibited decay, we have Nt=N0ekt Where N0 is the initial number of cells…

Q: A tank contains 2,000 gallons of brine. Brine containing 5 lb/gallon of salt flows in at a rate of…

A:

Q: Dakota's body metabolizes caffeine at a rate of 13.1% per hour (so the amount of caffeine in…

A: Given in the question, Dakota's body metabolizes caffeine at a rate of 13.1% per hour.

Q: Suppose Elizabeth takes a 700 mg dose of ibuprofen and every hour that passes the amount of…

A:

Q: An apple farm yields an average of 42 bushels of apples per tree when 20 trees are planted on an…

A:

Q: A total of $18000 is invested, part of it at 6% and the rest at 9%. The totalinterest after one year…

A: Let $x was invested in 6% and (18000-x) in 9% So total interest earned after 1 year is: 6% of x + 9%…

Q: A garden watering bucket has 3000 milliliters of water in it, but there is a hole that is leaking 18…

A: Given  bucket has water = 3000 ml every minute leaking water = 18 ml

Q: A bacterla colony starts with 20 bacterla and grows continuously at a rate of 28% per hour. a. How…

A:

Q: Sergio's body metabolizes caffeine at a rate of 12.9% per hour (so the amount of caffeine in…

A:

Q: A total of $8500 is invested, part of it at 6% and the rest at 3.5%. The totalinterest after one…

A: Let $x was invested in 6% and (8500-x) was invested in 3.5% So total interest earned is: 6% of x +…

Q: 5:52. The number of bacteria in a certain culture was found to be 4 x 10° at noon of one day. At…

A:

Q: Under certain water conditions, the free chlorine (hypochlorous acid, HOCI) in a swimming pool…

A:

Q: A total of $17500 is invested, part of it at 7.25% and the rest at 6.5%. Thetotal interest after one…

A: Let $x was invested in 7.25% and (17500-x) in 6.5%  So total interest earned is: 7.25% of x + 6.5%…

Q: You go to the doctor and he gives you 11 miltigrams of radioactive dye. After 12 minutes, 7.25…

A: Given query is to find the time required to reach the radioactive substance to 2 Milligrams.

Q: 17) A 10% acid solution was mixed with a 30% acid solution to produce a 15% acid solution. How much…

A: Mixture of solutions

Q: A chef is going to use a mixture of two brands of Italian dressing. The first brand contains 8%…

A:

Q: Quinidine gluconate is a liquid mixture, part medicine and part water, which is administered…

A: In one cc of liquid mixture there are 80.0 mgof quinidine gluconate. Dr. Alveret required 500.mg of…

Q: Juan's body metabolizes caffeine at a rate of 14.2% per hour (so the amount of caffeine in Juan's…

A: The amount of caffeine in Juan's body decreases by 14.2% each hour.

Q: Juan's body metabolizes caffeine at a rate of 14.2% per hour (so the amount of caffeine in Juan's…

A: Given: Juan's body metabolizes caffeine at a rate of 14.2% per hour. Also, Juan consumes a cup of…

Q: A scuba tank holds 2.6 ㎥ of compressed air. A diver at a shallow depth uses about 0.002 ㎥ per breath…

A: Total compressed air in scuba tank = 2.6 m^3 Compressed air used per breath is 0.002 m^3 Breath…

Q: Under certain water conditions, the free chlorine (hypochlorous acid, HOCI) in a swimming pool…

A: According to the decay law/uninhibited decay law:  A=A0 ek·t, where A0 is the initial amount. Given:…

Q: A is thrice as good a workman as B and threfore is able to finish a job in 60 days less than B.…

A:

Q: The ER Dr. has asked you to administer 20 mg of Albuterol via continuous nebulization, over a 4-hour…

A: Consider the information given in the problem, Available dose that is dose in hand =2.5 mg3.0 ml.…

Q: A pot of 180-degree water is placed in a freezer that is set to 20 degrees. The water cools to…

A:

Q: 1B) A red wine is brought up from the wine cellar, which is cool 10˚C, and left to breathe in a room…

A: Let T1 and T2 be the wine temperature and room temperature, respectively.

Q: under certain Water conditions, the free chlorine (hypochlorous acid, HOCI) in a swimming pool…

A: We have given that the amount of free chlorine to be 2.4ppmand 24 hours later , the amount of free…

Q: A tank contains 800 liters of fresh water. Brine containing 2.5 N/L of salt enters the tank at 20…

A:

Q: An apple farm yields an average of 38 bushels of apples per tree when 24 trees are planted on an…

A:

Q: An apple farm yields an average of 4040 bushels of apples per tree when 1818 trees are planted on an…

A:

Q: A Bacteria grows at a rate of 25% each day. If there are 500 bacteria today , how many will there be…

A: Given,          A Bacteria grows at a rate of 25% each day. If there are 500 bacteria today.…

Q: A man has 2 sons aged 6 and 8 respectively. He invests a total of R2000 on their behalf at 6% p.a.…

A: Let amount of 1st son is x. then 2nd son is R 2000-x. For 1st son time period will be 17-6=11 For…

Q: 10. The mass of a radioactive substance is 1000mg and decreases by 7% per year. What is its mass…

A:

Q: An apple farm yields an average of 41 bushels of apples per tree when 21 trees are planted on an…

A:

Q: The population of certain species of bats doubles every five hours, initially there are 40 Båts (a)…

A: General formula for exponential growth is given by P(t)=P0ert. Since initially there are 40 bats…

Q: A total of $⁢5000 is invested: part at 5% and the remainder at 15% How much is invested at each rate…

A:

Q: A total of $9000 is invested, part of it at 10% and the rest at 12%. The totalinterest after one…

A:

Q: 2. Suppose a bacteria sample contains 1000 bacteria. 6 hours later, there are 2400 bacteria. Find…

A: This can be express by exponential model : Where, a = initial value = 1000 b = growth rate