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How many liters of the antifreeze ethylene glycol [CH2(OH)CH2(OH)] would you add to a car radiator containing 6.50 L of water if the coldest winter temperature in your area is -37°C? (The density of ethylene glycol is 1.11 g/mL. Assume the density of water at -37°C is 1.00 g/mL.) L Calculate the boiling point of this water-ethylene glycol mixture. °C
What would be the structure and name of the open chain hydroxyl/carbonyl compund from which the above hemiacetal might form
Formulate a chemical reaction for a generic alkyl halide with silver nitrate in ethanol and with sodium iodide in acetone. In each case, which alkyl halides react faster?
Draw the structure of the product that is formed when 1-pentyne undergoes reaction with two equivalents of HCl.
In which region of the carbon-13 NMR spectrum would you expect to find a resonance for the carbonyl group of an aliphatic ketone. The given chemical shift ranges are approximate. A. 50-80 ppm B. 180-210 ppm C. 100-150 ppm D. 65-85 ppm E. 9-10 ppm ..
Concentrated acids and bases may fall outside this range. Calculate the pH of hydrochloric acid, if the solution is sold as 37 % by weight (37 g HCl / 100 g solution) with a density of 1.18 g/mL.
Approximate the heat of reaction for the following equation using thermodynamic tables: CuO (s) + AgNO3 (aq) Cu(NO3)2 (aq) + Ag2O (s)
The titration of 15.00 mL of HCl solution requires 22.50 mL of 0.1200 M NaOH solution. What is the molarity of the HCl solution?
What are some of the considerations for the optimal chain length in glycogen? a) Optimal chain length is a compromise between number of available ends, and the need for debranching enzyme
In an ionic compound, the size of the ions affects the internuclear distance (the distance between the centers of adjacent ions), which affects lattice energy (a measure of the attractive force holding those ions together).
Write a net ionic equation for the reaction that occurs when cobalt(II) carbonate (s) and excess hydrochloric acid (aq) are combined.
It takes 171 minutes for the concentration of the reactant in a first-order reaction to decrease from 0.6000 M to 0.150 M at 25 C? How long will it take for the reaction to be 90.0% complete
Assuming that the peaks are Gaussian, calculate the % resolution, i.e. calculate the area under the first peak which lies to the left of half way between the two peaks.
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