How much heat is required to warm ice to steam
How much heat (in kJ) is required to warm 11.0g of ice, initially at -10.0 C, to steam at 108.0 C? The heat capacity of ice is 2.09 J/gC and that of steam is 2.01 J/gC.
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A 10.0 mL sample of vinegar, an aqueous solution of acetic acid, is titrated with 0.5062 M NaOH, and 16.58 mL is required to reach the equivalence point.
If a sample containing 1.00 mL of nitroglycerine (density = 1.592 g/mL) is detonated, how many total moles of gas are produced?
What is the pH of a phosphate buffer when [h2po4-1]=40mM and [hpo4-2]=3omM? assume the pKa for this titration is 7.2
calculate the pH of solution formed by mixing 150 mL of 0.10M HC7H5O2 with 100 mL of 0.30M NaC7H5O2. The Ka for HC7H5O2 is 6.5 E -5
A graduated cylinder contains 133 of water. A 10.0 piece of iron (density = 7.86 ) and a 16.0 piece of lead are added. What is the new water level in the cylinder?
How many grams of water will you require? (B) If you produce 1.00 L of a .554 M solution of calcium hydroxide, how many grams of calcium phosphide did you start with?
If the initial concentration of AB is 0.230 M, and the reaction mixture initially contains no products, what are the concentrations of A and B after 70 s?
The boiling point of another member of this homologous series wasfound to be 309 . What is the likely molecular formula for this compound?
A 4.80 g nugget of pure gold absorbed 276 J of heat. What was the final temperature of the gold if the initial temperature was 26.0°C?
What is the orientation of the hydroxyl group when the compound is in chloroform solution? What evidence supports this?
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