Concentration of formamide at equilibrium
If a reaction vessel initially contains only CO and NH3 at concentrations of 1.00M and 2.00M, respectively, what will the concentration of HCONH2 be at equilibrium?
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An element crystallizes in a body-centered cubic lattice. The edge of the unit cell is 3.17 A, and the density of the crystal is 6.99 g/cm^3. Calculate the atomic weight of the element.
A mass of 95 g of ice at 0C is combined with 105g of water at 25 C the final temperature of the mixture is 0 C what mass of ice melts. (heat of fusion=333J/g specific heat capacities ice=2.09, liquid water =4.184)
A piece of copper metal weighing 145 grams was heated to 100.0C and then dropped into 250. grams of water at 25.0 C. The copper metal cooled down, and the water became warmer until both were at a temperatrue of 28.8 C. Calculate the amount of heat
When answering, include an explanation, balanced chemical equations and/or calculations where appropriate. Calculate the molar concentration of propionic acid (HC3H5O2) in solution if 10.00mL of a propionic acid solution is neutralized with 16.85mL
What mass (in g) of iron is needed to evolve 730.5 kJ of heat under standard conditions as it forms iron(III) oxide
How did you deduce which spot corresponded to 2-naphthol on yourTLC plate that analyzed the reaction mixture at 10, 30, and 60 minutes. Did your TLC analysisindicate the presence of any 2-naphthol remaining atthe end of the 60-minute reaction time
Why is it more difficult to precipitate cupric acetate (verdigris) than cupric carbonate hydroxide (malachite)
The partial pressures of gas B dissolved in liquid A at 298 K are listed in the table below. If the vapor pressure of pure B at this temperature is 9500 Kpa, does this solution obey Raoult's Law
write a balance equation for the formation of C4H10O(i) from its elements (c) By using the information in this problem and data in Table 5.3, calculate ?H°f for diethyl ether
Which of the following reagents might serve as the basis for a simple chemical test that would distinguish between pure 1-hexane?
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