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Urea is an organic compound widely used as a fertilizer. its solubility in water allows it to be made into aqueous fertilizer solutions and applied to crops in a spray. what is the maximum number of water molecules that one urea molecule can hydrogen bond with?
Rank the following chemicals for their tendency to partition from the air into fog water- chloroform, acetic acid, methyl ethyl ketone, phenol, aniline, paraquat. Rank from highest fugacity to lowest fugacity for entering fog water. It is possible..
Natural lithium is 92.58% lithium-7, with atomic weight 7.016, and 7.42% lithium-6, with atomic weight 6.015. What is the observed atomic weight of lithium as it occurs in nature?
The pH of a certain solution is 4.5. What is the concentration of H+(aq) ions in the solution. A) 3.16 x 10^-5 M B) 3.16 x 10^4 M
Copper is electroplated from CuSO4 solution. A constant current of 10.0 amps is applied by an external power supply for exactly 75.0 minutes. How many grams of copper can be plated out during this time interval
A careless student, Will Bobble, misread the label on a bottle of 10 M sodium hydroxide and used it (rather than 1 M NaOH) to dissolve his vanillin
Calculate the heat released when 3.25 L of Cl2(g) with a density of 1.88 g/L reacts with an excess of sodium metal at 25°C and 1 atm to form sodium chloride.
If 28mL of 7.0M Sulphuric acid(H2SO4) was spilled, then determine what is the minimum mass of NaHCO3 (Sodium bicarbonate or sodium hydrogen carbonate)
If the quantum number ms had possible values ±1, ±2, what would be the maximum number of electrons that be placed in a single orbital
Determine the mass of the hydrate and the mass of the sulfate after removing the water. 2. Calculate the number of moles of water and the number of the moles of the anhydrous sulfate
What is the molecular formula of the molecule that had an empiricial formula of C2 H4 S and a molar mass of 180.35% g/molecular.
In a purity check for industrial diamonds, a 11.25 carat (1 carat = 0.2000 g) diamond is heated to 74.21°C and immersed in 27.30 g of water in a constant-pressure calorimeter
Calculate the theoretical yield of C2H5Cl when 135 g of C_2H_6 reacts with 225 g of Cl_2, assuming that C_2H_6 and Cl_2 react only to form C_2H_5Cl and HCl.
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