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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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?
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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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