Find how long will it take for there to be remaining cesium
Cesium 137 has the half life of 30 years. Originally we have ten gms.
i) set up exponential decayii) after how long will 1% of original amount remain?iii) Find how long will it take for there to be 0.001 gm remaining?
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Demand function for the office supply company's line of plastic rulers is : p= 0.42-0.0021q, where "p" is price in dollar when "q" units are demanded per day by customers.
Determine the three categories for the NFPA rating system and explain the numerical scale that is used for each rating.
Identify which of the following are the oxidation reduction reaction and find out the oxidizing agent, reducing the agent, substance being oxidized, and the substance being reduced.
What do you expect to see when the TLC plate has been allowed to remain in the developing chamber too long in the carrying out an analysis of a mixture, so that the solvent front has reached the top of the plate?
Cesium 137 has the half life of 30 years. Originally we have ten gms. Find how long will it take for there to be 0.001 gm remaining?
Explain what error is introduced into the determination of an Rf value if the top is left off the developing chamber? Discuss what problem will ensue if the level of the liquid is higher that the applied spot in the TLC analysis?
Assume the Mars Co. claims that each bag of M&Ms must have about 10 yellow M&Ms in it. You purchase a single bag and discover that the bag contains 10 yellow M&Ms, just as the company stated. Is this proof that the company was correct?
The total pressure in the flask after partial decomposition was 359torr. Describe the mole fraction of each gas in the flask. A 2.42g sample of PCL5 is placed into an evacuated 2.00Lflask and allowed to partially decompose at 250.0 C acc
Calculate the enthalpy change if 3.8 mol of calcium carbonate is produced? Calcium hydroxide, which reacts with carbon dioxide to form calcium carbonate, was used by the ancient Romans as mortar in store structure.
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