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You have two water samples. Sample X has a volume of 750 mL and a temperature of 42°C. Sample Y has a volume of 380 mL and a temperature of 42°C. Which sample contains the most heat?
1. Cannot determine from information given.2. Both samples contain the same amount of heat.3. Sample X4. Sample Y
The lower flammability limit (LFL) for a gas is the minimum concentration of the gas, in air, below which there is too little fuel to support combustion.
The formulas for ethane, ethene, and ethyne are C2H6, C2H4, and C2H2 respectively. Rank these compounds by the length of the carbon-carbon bond. Longest C-C Bond to Shortest C-C bond
The temperature of the calorimeter rose from 25C to 33.73C. If the heat capacity of the calorimeter was 9,630 J/C, what is the value of delta H for the combustion reaction in KJ/mol.
One compound of mercury with a formula mass of 519 g mol-1 contains 77.26%Hg, 9.25%C, and 1.17%H (with the balance beingO). Calculate the empirical and molecular formulas.
Assuming the waste heat of the engine provides all the heat necessary to melt the iceberg, how much work can this do?
A 10.3 mL sample of a HCl solution has a pH of 2.000. What volume of water must be added to change the pH to 4.000?
Why is toxicity diminished in other congeners where chlorines are removed from the 2,3,7,8 positions, or when chlorines are added to remaining positions on the rings?
Calculate the molarity of 736 mL of a solution that contains 153 g of sucrose C12H22O11.
Calculate the values for Z1 and Z11 for mercury (Hg) vapor at 40 degrees C at P = 0.10 atm. How does this quantity depend on pressure
Li is in row 2 of the periodic table, Na is in row 3, and K is in row 4. How do their row numbers affect how their electron configurations end.
a 530. g piece of copper tubing is heated to 89.5degc and placed in an insulated vessel containing 159 g of water at
A reaction vessel contains 13.9g of CO and 13.9g of O2. How many grams of CO2 could be produced according to the following reaction? 2CO + O2 ---> 2CO2
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