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Determining the heat of vaporization of water

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Reference no: EM131421982

A radioactive isotope has a half life of 80.4 minutes. How long will it take for the radiation from a 325 pCi sample to decrease to 21 pCi?

For the following reaction, write the chemical symbol for AgNO3 + Mg --> Mg(NO3)2 + Ag

1) the substance being reduced

2) the substance being oxidized

3) the oxidizing agent

4) the reducing agent

How many grams of CaCO3 will be produced if we produce 12.13 grams of NaCl in the reaction CaCl2   +    Na2CO3    --->   2 NaCl   +   CaCO3

If we react 176 molecules of O2 with magnesium according to the equation Mg + O2 -> 2 MgO how many molecules of magnesium oxide will we form?

The heat of fusion of water is 79.9 cal/g, the heat of vaporization of water is 540 cal/g, and the specific heat of water is 1.00 cal/deg/g. How many grams of ice at 0 ° could be converted to steam at 100 °C by 8,195 cal of heat?

Reference no: EM131421982

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Determining the heat of vaporization of water : The heat of fusion of water is 79.9 cal/g, the heat of vaporization of water is 540 cal/g, and the specific heat of water is 1.00 cal/deg/g. How many grams of ice at 0 ° could be converted to steam at 100 °C by 8,195 cal of heat?
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