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How much heat is needed in kJ to convert 878 g of ice at -10°C to steam at 134°C? (The specific heats of ice, steam, and liquid are 2.03 J/g · °C, 1.99 J/g · °C, and 4.18 J/g·°C, respectively. The heat of fusion is 6.02 kJ/mol and heat of vaporization is 40.79 kJ/mol.)
A sample of the exit air is drawn in to a chamber containing a mirror and cooled slowly, keeping the gauge pressure at 10mm Hg. A mist is observed to form on the mirror at a temperature 40C. Calculate mass of water removed from ..
How many grams of NaOH are needed to react with your original mass of C7H6O2 (1.0225) and how many grams of the measured NaOH
Calculate pCu2+ at each of the following points in the titration of 50.0 mL of 0.001 M Cu 2+ with 0.001 M EDTA at pH 11.00 in a solution whose NH3 concentration is somehow fixed at 0.100 M:
If a 1.67 g piece of gold is hammered into a sheet whose area is 49.2 ft2, what is the average thickness of the sheet?
Which of the following compounds is soluble in water ? A) BaSO4
determine the molecular formula. Enter your formula as plain text, with carbon first, then hydrogen, the chlorine. So if the formula were C10H21Cl, you would enter C10H21Cl.
Consider the compression of the gas in the right part to be a reversible process. a) calculate the work done on the right part in this process and the final temperature in the right part
What is the molar volume of the oxygen gas at the conditions in the laboratory?
Platinum has a face-centered cubic crystal structure and a density of 21.5 g/cm3. What is the radius of the Platinum atom?
How many moles of MgI2 are in 1.3L of a 0.2M solution? How many moles of Mg2+ are in the solution? How many moles of I-?
A reaction between methane and hydrogen sulfide to produce carbon disulfide and hydrogen gas was carried out. CH4 (g) + 2 H2S(g) → CS2 (g) + 4 H2 (g)
A standard hydrogen electrode is immersed in an acetic acid solution. This electrode is connected by an external circuit to an iron nail dipping into 0.10 M FeCl2. If Ecell is found to be 0.24 V, what is the pH of the acetic acid solution
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