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Describe a situation where a substance changed between the solid and liquid states or between liquid and gas states? Can you describe an example of when a substance changed between the gas and solid states? Let's see how many different examples we can describe.
How much heat is required to convert 32 g of ethanol at 27 degrees C to the vapor phase at 78 degrees C?
In the Macy's Thanksgiving Day parade, 2000, there was a new float, the Cheerios' bee, and Buzz bee. The jar of honey it was holding contained 36,763 L of helium.
Determine the amount of heat energy lost by the same amount (40.0 g) sample of water (specific heat = 4.184 J/goC) and same temperature change.
Based on the two balanced reaction equations, find the ?G for the complete oxidation of one ethanol to two CO2 molecules.
If 125 cal of heat is applied to a 60.0 g piece of copper at 25.0 C, what will the final temperature be? The specific heat of copper is 0.0920 cal/(g.C}) .
what is the rate order with respect to (C12H12O11) b)what is the rate constant. Using the rate constant calculate the concentration of sucrose at 39, 80, 140, 210 minutes if the initial sucrose concentration was 0.316M and the reaction was zero or..
Choose the answer which lists the atoms Pb, Ga, Ti, Br, and Sn in order of increasing effective nuclear charge experienced by the electrons in the n = 3 electron shell.
Explain, in detail, why a bromine radical is more selective than a chlorine radical during abstraction of a hydrogen on a hydrocarbon?
Add 0.06g of NaOH (MW=40g/mol) to 1 L of acid solution to 0.01 M of carboxylic acid at pH3. What is final pH (no volume change). Calculate pH of 0.2 M acetic acid and 0.05M sodium acetate
a 2.55-g sample of a mixture of fecl2 znd feno32 is treated with excess agno3aq. the recipitate is filtered off dried
How much heat is required to warm 221 g of ice from -44.9°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C?
Which of the following reactions is equal to of the product(s)? Check All That Apply. A: Li(s) + 1/2 Cl(g) ---> LiCl(s) B: H2(g) + 1/2 O2(g) ---> H2O(g) C: 2Li(s) + Cl2(g) ---> 2LiCl(s) D: Li(s) + 1/2 Cl2(l) ---> LiCl(s) E: 2H2(g) + O2(g) ---> 2H2..
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