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Problem- Cryolite, Na3AlF6(s), an ore used in the production of aluminum, can be synthesized using aluminum oxide.
If 13.0 kilograms of Al2O3(s), 53.4 kilograms of NaOH(l), and 53.4 kilograms of HF(g) react completely, how many kilograms of cryolite will be produced?
What is the total mass of the excess reactants left over after the reaction is complete?
I want you to clarify the physics in this above problem.
Problem- What is the buffer range of a solution composed of equal molar concentration of phenol and sodium phenolate. (Ka = 1.3x10-10)
One compound of mercury with a formula mass of 519 g mol-1 contains 77.26%Hg, 9.25%C, and 1.17%H (with the balance beingO). Calculate the empirical and molecular formulas.
The reaction between iron (III) oxide and aluminum, to produce aluminum oxide and iron, has a heat of reaction (ΔH) equal to -851.5 kJ/mole. How much energy is released if 0.56 moles of aluminum are consumed
The combustion of liquid ethanol (C2H5OH) produces carbon dioxide and water. Write a balanced equation for this reaction.
consider the following reaction 4hcl o2 ---gt 2h2o 2cl2. how many molecules of would be formed from the reaction
Draw one eclipsed and one staggered conformation of 2,3-dimethylpentane using: Newman projections that sights down the C2-C3 bond, Sawhorse projections that sights down
Glycerol is a water-soluble liquid with a density of 1.2656 g/mL at 15°C. Calculate the molarity of a solution of glycerol made by dissolving 60.000 mL glycerol at 15°C in enough water to make 300.00 mL of solution.
Radio waves are very low energy forms of electrmagnetic radiation. What is the energy of a mole of radio wave photons with a
Crystalline solids are well-ordered arrays of atoms or molecules. Crystalline solids may be metallic solids, molecular solids, or ionic solids.
If you were extracting 4-chloroaniline and naphthalene (a mixture in ether), what reagents could you use to obtain a separation via extraction technique
Chemical formulas point to the ratios of the different types of atoms in a compound. Percentage composition indicates the relative masses of each element in a compound. Mass ratios are important for lab work, while atomic ratios are important for ..
Consider the reaction: C2H5OH (l) + 3O2 (g) --> 2 CO2 (g) + 3 H2O (l) , ?H= -1.37 x 103 kJ When a 24.8-g sample of ethyl alcohol (molar mass = 46.07 g/mol) is burned, how much energy is released as heat?
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