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A sample of an oxide of iron weighing 2.40g was heated in a stream of hydrogen until it was completely converted to the metal, If the metal weighed 1.68g, what is the formula of the iron oxide? (fe =56, O = 16)
unknown concentration of sodium hydroxide for complete neutralization. What is the molarity of the sodium hydroxide solution?
When calcium carbonate is added to hydrochloric acid, calcium chloride, carbon dioxide, and water are produced. CaCO3 + 2HCl image from custom entry tool CaCl2 + H2O + CO2
If 15 amino acids were linked together by condensation and elimination of water, how many water molecules would be lost and how many new peptide bonds would be formed.
If the heat of combustion for a specific compound is -1170.0 kJ/mol and its molar mass is 46.49 g/mol, how many grams of this compound must
If 45.4g of H2O are produced in the reaction given below, the number of grams of magnesium carbonate used is.?
the generic term used to describe the structure of the carbon nucleophile in a Wittig reaction
Calculating the equilibrium constant (Keq) for the given reactions - Determine the Keq for the following reactions
Radio waves are very low energy forms of electrmagnetic radiation. What is the energy of a mole of radio wave photons with a
The temperature of a 150 gram drinking hlass decreased from 25 to 14 * C as 200 grams of water were added
The half-life of a reaction, is the time it takes for the reactant concentration to decrease by half. For example, after one half-life the concentration falls from the initial concentration to, after a second half-life to, after a third half-life ..
If 2.55 mol of ethane (C2H6) undergo combustion according to the unbalanced equation C2H6 + O2 -→ CO2 + H2O , how much oxygen is required? Answer in units of mol.
Can someone show me how to draw the reciprocal lattice for a simple tetragonal structure with a=0.4nm and c=0.5nm?
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