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Solid iron(III) oxide reacts with hydrogen gas to form solid iron and liquid water. Write a balanced chemical equation with all phases identified.
Calculate the pH of an aqueous solution that is 0.020 M in HNO3 (aq) at 25 degrees Celcius. Is the solution acidic or basic
Octane has a density of 0.692g/mL at 20 ^ C. How many grams of O2 are required to burn 1.10gal of C8H18.
What is the spcific heat (J/kgK) and density (kg/m3) of Linen fiber. I'm testing the thermal diffusivity of nonconductive fibers and need the specific heat and density to figure out the thermal diffusivity.
what would be the effect on the results of mistakenly adding 2.43 times 10^-3 g Mg to 4.0 mL of 0.1M hcl rather than to 4.0 mL of 1.0M hcl as instructed
If you have 100 ml of pure water and add to it 100 ml of 2.0M HC2H3O2. What will be the final solution pH
1. A chemist wanted to amke 3-hydroxy-pentanal via an aldol condensation a. What two aldehydes could be used to make this product. b.What 3 other products could form. 2. Write a mechanism for the aldol reaction between acetaldehyde and benzaldehyde
a batch of 1000 kg of KCl is dissolved in sufficient water to make a saturated solution at 363K, where the solubility is 35 wt% KCl in water. the solution is cooled to 293K, at which the solubility of KCl is 25.4 wt%.
The dispersion of a diffraction grating, such as the one shown at the right, is the angle of separation per μm of wavelength, Î"Φ /Î"λ
Calculate partition coefficient of caffeine between water and each of two organic solvents. (c) Can you use diethyl ether to extract caffeine from water? Why/why not.
At 800 k, Kc for the following equalibrium is 4.2 x 10 ^-3. 2HgO(s) 2Hg(l) + O2(g), suppose 96.5 g of mercury(ll) oxide is placed in a sealed 3.50 vessel at 800 k. What is the partial pressure of oxygen gas at equalibrium
When 1.926 g of succinic acid was dissolved in water and titrated, 65.20 mL of 0.5000M NaOH solution was required to neutralize the acid. How many acidic hydrogens are there in a molecule of succinic acd
The normal boiling point of pure water is 373 K. As a solute dissolves in water, the boiling point of the solution will (a)Decrease (b)Change unpredictably (c)Remain the same (d)Increase
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