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water's heat of fusion is 80 cal/g and is specific heat is 1.0 cal/g degree celcius. Some velmobile set have been designed to hold ice packs inside their cushions. if you started the ride with ice packs that held 1900 g of frozen water at 0 degree celcius,and the temperature of water at the end was 32 degrees celcius, how many calories of heat energy was absorbed? Express our answer numerically in calories using two significant figures.
It was originally part of my ebook EVERYTHING YOU NEED TO KNOW ABOUT CHEMICAL NOMENCLATURE. If you want more information or a more complete description to include inorganic compounds please see the ebook section of this website.
Determine how many grams of Oxygen(O2) would be used when 10.82 Litres Nitric oxide (NO(g) is formed at the temperature of 19.82 degree Celsius and pressure of 1.092 atm?
If 2.44 moles of Helium gas has a pressure of 2.4 atm at 343 K, what volume must the gas occupy.
How many moles of N2 are produced by the decomposition of 1.80 mol of NaN3?
Calculate the concentrations of all species in a 1.73 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1 = 1.4× 10-2 and Ka2 = 6.3× 10-8.
If 125 cal of heat is applied to a 60.0 g piece of copper at 24C, what will the final temperature be? The specific heat of copper is 0.0920cal/(g x C).
Which of the following molecules would be expected to be MOST water soluble?
The temperature of a lead fishing weight rises from 26 degrees Celsius to 38 degrees Celsius as it absorbs 11.3 J of heat. What is the mass of the fishing weight in grams.
Determine the pressure, in torr and atm, of 3.94 mol carbon monoxide gas in a 4.25 Litre tank at temperature 31 degrees Celsius.
A solution is prepared by dissolving 13.3 g ammonium sulfate in enough water to make 100.0 mL of stock solution. A 11.50 mL sample of this stock solution
In combustion analysis, 2.00mg of vitamin C yielded 3.00mg CO2 and 0.816mg H2o. From mass spectrometry, it was found that the molecular weight of vitamin C is 176amu. Determine the mass composition of vitamin C, its empirical formula, and its molecul..
Calculate the pH of a solution prepared by dissolving 0.30 g of BaO in enough water to make 0.800 L of solution.
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