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why would paraformaledhyde be used in an acetal formation reaction than formaldehyde(Bp=-6*C) which is commercially available as a 37% aqueous solution?
What mass percent of ethylene glycol in water must be used to reduce the freezing point of the mixture to -5.0degrees c?
Determine What would be the density of the solid if density of toluene at the temperature of the experiment = 0.864 g/mL.?
Using acetylene and 1-butanol as only sources of carbon and any other reagents needed,
What is the expected theoretical yeild of aspirin based on exactly 1 g of salicylic acid and 3.50 mL of Acetic Anhydride (Density = 1.082 mL^-1)
A 309 mL sample of unknown HCl solution reacts completely with Na_2CO_3 to form 10.1 g CO_2. What was the concentration of the HCl solution?
The final temperature of the water and metal was 25.0 C. Assuming no heat is lost to the surroundings,calculate the specific heat of the metal and estimate its atomic weight
he endpoint of the titration was 9.98mL. Calculate the percent copper in the solid sample.
A volume of 120 mL of H2O is initially at room temperature (22.0 C). A chilled steel rod at 2.00 C is placed in the water. If the final temperature of the system is 21.1 C , what is the mass of the steel bar?
Explain why Lewis dot structure for S2Cl2 IS Cl - S - S - Cl why does the two sulfurs have to be beside each other and the two chlorines have to be the first and last?
How many moles of PCl_5 can be produced from 21.0 g of P_4 and excess Cl_2?
A vitamin tablet contains 789 mg of vitamin C (C6H8O6). How many vitamin C molecules are contained in the tablet? Enter your answer in scientific notation.
What is the Volume of 1.05mol of Benzene (C6H6) at 20.7 degrees C. The density of Benzene is 0.879 g/mL
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