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A quantity of 4.00 102 mL of 0.600 M HNO3 is mixed with 4.00 102 mL of 0.300 M Ba(OH)2 in a constant-pressure calorimeter of negligible heat capacity. The initial temperature of both solutions is the same at 18.76°C. What is the final temperature of the solution?
How many grams of methane [CH4(g)] must be combusted to heat 1.00 kg of water from 25.0°C to 90.0°C, assuming H2O(l) as a product and 100% efficiency in heat transfer?
Bob dissolved .36 grams of KHP in 15 mL of water. He found out that it required 20 mL of NaOH to reach the endpoint the endpoint of the titration.
A 3.140 molal solution of NaCl is prepared. How many grams of NaCl are present in a sample containing 2.678 kg of water?
A Chem 113 TA prepares a solution by dissolving 3.11 g of solid KOH in enough water to make 100.0 mL of solution. Calculate the molarity of K+ ions in this solution.
the density of aluminum is 2.70 g/cm3 and the density of chronium is 7.19 g/cm3. if equal masses of aluminum and chronium are trasnferred in equal volumes of water in separate graduate cylinders, which graduated cylinder would have the greatest vo..
Determine whether each of the following causes an increase or decrease in the activity of the electron transport chain. 1. High NADH concentration
Place palmitic acid at the middle position. Cis/trans isometry is graded -it may help to draw hydrogen atoms associated with the carbon atoms of the double bond.
If 35.0 g each of iron and chlorine react, how much FeCl3 will be formed?
how many total moles of ions are released when each of the follwing samples dissolves completely in water?
what is simple experiment can be performed to confirm that baking soda changes
What fraction of the original reactant concentration will remain after 2.0 hours?
A sample of nitrogen has a volume of 630 mL at a temperature of 49 degC. Assuming that the pressure is constant, what will be the volume when the temperature is 348.6 degC.
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