3. The half-life of sodium-25 is 1.0 minutes. a) Starting with 1.0 kg how much will remain after ½ hour b) How long will it take for the sodium to reduce to 325 grams?

Q: # 3) Each side of a square is increasing at a rate of 6cm/s. At what rate is the area of the square…

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Q: II. Consider an object in a surrounding with constant temperature of 25°C. If the temperature of the…

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Q: The half-life of Palladium-100 is 4 days. After 12 days a sample of Palladium-100 has been reduced…

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Q: The rate at which radioactive nuclei decay is proportional to the number of nuclei that are present…

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Q: Consider an object in a surrounding with constant temperature of 25°C. If the temperature of the…

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Q: The half-life of Palladium-100 is 4 days. After 20 days a sample of Palladium-100 has been reduced…

A: Given , half-life of Palladium-100 is 4 days        t1/2=4 days Let N(t) be the quatity after t days…

Q: Consider an object in a surrounding with constant temperature of 25°C. If the emperature of the…

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Q: The half-life of Palladium-100 is 4 days. After 24 days a sample of Palladium-100 has been reduced…

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Q: If 25.0 mL of a 4.20 M HCI solution is diluted to 2.00 L, what is the molarity of the new solution?

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Q: 3. Each side of a square is increasing at a rate of 6 cm/s. At what rate is the area of the square…

A: Area of the square is increasing at a rate of  48cm2/sec.

Q: The half-life of Palladium-100 is 4 days. After 24 days a sample of Palladium-100 has been reduced…

A:

Q: 2. The volume of a cube is increasing at the rate of 6 cm /min. How fast is the surface area…

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Q: A technical machinist is asked to build a cubical steel tank that will hold 200 L of water.…

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Q: Find out the lycopene concentration in tomatoes after 4 months of storage at 15°C.

A: 4 months = 16 weeks to find lycopene concentration in tomatoes we need to find the regression line y…

Q: art?

A: Given that: Half - life of Palladium - 100 = 4 days. After 16 days a sample of Palladium - 100 has…

Q: 1.The volume of a cube is increasing at the rate of 6cm³/min. How fast is the surface area…

A: Given : rate of change of volume of cube : dV/dt = 6 cm^3 /min  To find : rate of change of surface…

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Q: -239 kJ what is the value in calorie?

A: Since  1 kJ = 0.239 kilo calorie

Q: 1. The rate at which radioactive nuclei decay is proportional to the number of such nuclei that are…

A: Since you have posted a multiple question according to guildlines I will solve first question for…

Q: The half-life of Palladium-100 is 4 days. After 24 days a sample of Palladium-100 has been reduced…

A: We use half life equation here.

Q: What is the half-life of the goo in minutes? Find a formula for G(t), the amount of goo remaining at…

A: Let the model is given by Gt=G0ertGivenG0=348 gt=75 minGt=21.75

Q: 2.) A new building has used 18 tons of cement and is only 30% built. At this rate, how many tons of…

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Q: A stone is thrown vertically upward from the ground with an initial velocity of 40 ft/sec. (2.1) How…

A: This is a problem related to velocity and distance travelled by stone. Based on the newton's law of…

Q: The half-life of Palladium-100 is 4 days. After 16 days a sample of Palladium-100 has been reduced…

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Q: What costs $60 million per gram and can beused to treat brain cancer, analyze coal for its sulfur…

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Q: If a patient has an order of 400 mg IV q8h and the drug has a half life of 8 hours, what is the…

A: The half-life decay is given by the formula,

Q: The half-life of Palladium-100 is 4 days. After 24 days a sample of Palladium-100 has been reduced…

A:

Q: Find how much more energy was released by an earthquake of magnitude 6.9 than by an earthquake of…

A: Solution: use formula Log E = 11.8+1.45M

Q: The half-life of Palladium-100 is 4 days. After 16 days a sample of Palladium-100 has been reduced…

A: Topic-basic maths

Q: What mass of glucose would you need (in g) to have 0.8 mol, given that the molar mass of glucose is…

A: Number of moles = Mass in gram / Molar mass Given Number of moles = 0.8 mol Molar mass = 180 g / mol…

Q: The volume of a cube is increasing at a rate of 56 in3/sec. At what rate is the length of each edge…

A: It is given that volume of cube V=x3 rate of volume increasing at dVdt=56 in3/sec The edge of the…

Q: The half-life of Palladium-100 is 4 days. After 20 days a sample of Palladium-100 has been reduced…

A: Topic:- function

Q: (a) Find a formula for the amount of yeast in the vat as a func- tion of t (measured in hours). (b)…

A: Formula for the ammount of yeast in tha vat as function of t:YF = Yi(2)t4 YF→Count of yeast after t…

Q: 11. A scuba tank holds 2.6 m3 of compressed air. A diver at a shallow depth uses about 0.002 m³ per…

A: (a) The amount of air used by diver in one minute will be equal to the product of amount of air per…

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A: Given: Mechanical power (in W) must a 76.5 kg mountain climber generate to climb to the summit of a…

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A: Given that, the number of germs in a certain culture increases at a rate proportional to the number…

Q: The half-life of Palladium-100 is 4 days. After 12 days a sample of Palladium-100 has been reduced…

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Q: A nurse gives 1,100 mL of an intravenous (IV) solution over a period of 9 h. It is given first at a…

A: Suppose, the time taken at a rate of 140 mL/h is x and the time taken at a rate of 100 mL/h is y.…

Q: The half-life of Palladium-100 is 4 days. After 20 days a sample of Palladium-100 has been reduced…

A: Initial mass of the sample=moHalf side of pd-100 is y days . So , h=4relative decay rate…

Q: 1. How many grams of a drug are there in 850 ml of a 1 in 130 w/v solution ? state andwer to 3…

A: Note: according to our guidelines we can answer only first question  1)   Given solution is 850 ml…

Q: A technical machinist is asked to build a cubical steel tank that will hold 475 L of water.…

A: Given : Tank hold 475 L of water

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

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Q: The half-life of Palladium-100 is 4 days. After 12 days a sample of Palladium-100 has been reduced…

A: Given that half life of Palladium-100 is 4 days. Suppose that initial mass of sample is a then mass…

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Q: Given 100 grams of bacteria that decreases at a rate of 1/2 per year. What would be an appropriate…

A: Initial value: 100, Rate: 1/2 per year(decreases). So, the population equation is p(t)=100e-12t…

Q: In a chemical reaction, substance A decomposes at a rate proportional to the amount of A present. It…

A: This decomposition reaction of first order, because rate is directly proportional to the…

Q: The half-life of cesium-137 is 30 years. Suppose we have a100-mg sample.(a) Find the mass that…

A: Given that the half-life of cesium-137 is 30 years. (a) Substitute y=50, t= 30 and y(0)=100 in…

Q: The half-life of Palladium-100 is 4 days. After 12 days a sample of Palladium-100 has been reduced…

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Q: 4. If caffeine has a half-life of 2 hrs., how many of 140 mg of caffeine remain in Mr. Moreno's…

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