Determine the enthalpy change
What is the enthalpy change of C2H4(g) + Br2(g)-> CH2BrCH2Br(g)?
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What is the final concentration of NaOH when 50.0 mL of .200 M NaOH is added to 50.0 mL of 0.500 M NaOH?
An antacid tablet containing magnesium hydroxide as an active ingredient requires 22.6 mL of 0.597 M HCl for complete neutralization. What mass of Mg(OH)2 did the tablet contain?
A gas sample in a piston assembly expands, doing 588 kJ of work on its surroundings at the same time that 372 kJ heat is added to the gas. What is the change in internal energy of the gas during this process?
What impact has social media had on your financial decisions and how could credit unions utilize these tools to help you with your financial goals?
A solution of ethanol (C2H5OH) in water is prepared by dissolving 76.5 mL of ethanol (density = 0.79 g/cm3) in enough water to make 250.0 mL of solution. What is the molarity of the ethanol in this solution?
What quantity of heat would be evolved if 75.00g of mercury (Hg=200.59), (O=16.00) was burned in oxygen?
how many grams of water are needed to react with 485g of calcium carbide?
What is the structure of the polysaccharide? Draw a repeating structure of the polysaccharide, showing glycosidic linkages and branches.
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