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What mass of this substance must evaporate in order to freeze 250 of water initially at 25? (The heat of fusion of water is 334 the specific heat of water is 4.18 .)
If 1.50 g of X reacts with 3.54 g of M to produce 4.22 g of a compound with the formula M4X3, and the atomic mass of M is 48.5 amu.
Calculate the molarity of a solution of HBr if 34.80 mL of the HBr solution neutralize 0.834 g of Na2CO3. The following is the unbalanced equation for the reaction
determine the molarity of each of the ions present in the following aqueous salt solutions.
what is the molarity of a solution containing 7.0 moles of solute in 4300 mL of solution?
determine the structures of Compounds A, B, C, D, and E. Show calculations. Support all of your structure determinations.
Why are the products attached to C3 of 1,4 pentadiene more acidic than the methyl hydrogen atoms of propene? Maybe you can help me with this one. Are the C3 atoms more acidic because there is more s character involved with the atoms and as the s ch..
Calculate the minimum volume of water that is needed to decompose all the excess ethanoic anhydride. Recall: 1.0 g of H2O = 1.0 mL of water, for this purpose
How many liters of oxygen,O2,are required for the complete combustion of 1/2 mole of pentane,C5H12 at standard conditions
In Breckenridge, Colorado, the typical atmospheric pressure is 514 torr. What is the boiling point of water (ΔHvap = 40.7 kJ/mol) in Breckenridge?
How many atoms are there in 0.663 moles of water?
How does C 10 H 12 O 2 eugenol combine with Br bromine in CCl 4 carbon tetrachloride and concentrated H 2 SOP 4 at the temperature of 20 degrees Celsius?
What are the steps to recrystallize an impure solid? Answer 1. Heating the water. 2. Dissolving the solute.3. Letting the solute cool.4. Collecting and washing the crystals.
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