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10g of ethane (C2H6) is burned to heat 100g of water. What would be the final temperature of the water if it was initally at 24 degrees Celsius?
69.7g of a solute with a molecular mass of 2790g are dissolved inenough water to make 1.00dm3 of a solution at
acetylene c2h2 will burn in the presence of oxygen.2c2h2g 5o2g yields 4co2g 2h2oghow many grams of water can be
A 36.3 mL aliquot of 0.0529 M (aq) is to be titrated with 0.0411 M NaOH (aq). What volume (mL) of base will it take to reach the equivalence point?
calculate the wavelength of light emitted when each of the following transitions occur in the hydrogen atom. what type
Assuming that the pressure and amount of a gas sample remain constant, what will be the final volume of a 3 .84 L sample of a gas originally at 160 0C when heated to 280 0C
Write a chemical equation to show the reaction of stomach acid with two different antacids. Compare the neutralization strength of the two antacids/ tablets. (theoretical)
At the point of equilibrium there were 82.63 g of Br2(l). Determine the total pressure in the 50.0 L container at equilibrium.
A black precipitate remaining from the separation of Cr3+ and Fe2+ ions from Ni2+ ion is dissolved in HCl and HNO3. Some NH3 is added, followed by several drops of dimethylglyoxime.
Assume that the volume of Earth's oceans is 137 x 10^7 km^3 and that the density of seawater is 1.03 g/cm^3. Also assume that the heat capacity of seawater is the same as that of water.
Mg3N2(s) + 3 H2O(l)= 3 MgO(s) + 2 NH3(g) How many moles of Magnesium oxide are produced by the reaction of 3.82g of Magnesium nitride with 7.73g of water?
Alpha helices are a type of secondary structure in proteins. What is the length of a 41-kDa single-stranded ?-helical protein segment. Assume a mean residue mass of 110 Da.
A 800 mL sample of a saturated aqueous solution of calcium oxalate, CaC2O4, at 95 degrees C is cooled to 13 degrees C. How many milligrams if calcium oxalate will precipitate?
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