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When the following reaction is balanced in basic solution using the lowest possible whole number coefficients, the coefficient of Cr(OH)3(s) will be: Cr(OH)3(s) + Cl2O7(aq) --> CrO42-(aq) + ClO2-(aq)
The cup is a volume widely used by cooks in the U.S. One cup is equivalent to 225 cm3. If 1 cup of olive oil has a mass of 205 g, what is the density of olive oil in g/cm3?
Calculate the entropy change for vaporization of 18 g of H2O. The molar enthalpy of vaporization for water is 44 kJ/mol and the boiling point
Addition of NH3 precipitated Fe2O3*xH2O, which was ignited to give 0.264g of Fe2O3 (FM 159.69). What is the average mass of Fe2SO4*7H2O (FM 278.01) in each tablet?
Describe at least 4 methods that could be used to attempt to separate the oil and water at home. Based on the four methods postulate which method would work better than the others.
What is the product of toluene+ conj base of alcohol? ( a ring with a O- ) also, where does equilibrium lies?
Calculate the final Celsius temperature of sulfur dioxide if 0.500 L of the gas at 35°C and 650 mmHg is heated until the pressure reaches
the chloroform would remain as liquid in the flask after equilibrium is established between liquid and vapor chloroform? (the vapor pressure of chloroform at 20 degrees C is 0.208 atm)
if a gas is at 2.3 atm of pressure and occupies 32 L of volume, how much volume will it occupy if the pressure is lowered to 1.5 atm?
the hybridization of Carbon in this molecule? b) What would be its molecular shape? and c) What is the bond angle around the C atom?
2-Methylpentane and 4-methyl-2-pentanone are constitutional isomers with the molecular formula C6H12O.each shows a molecular ion peak in its mass spectrum at m/z 100.
What is the pH of the buffer described in the above question? The formic acid (HCHO2) concentration is 0.75 M. the sodium formate (NaCHO2) concentration is 0.75 M
Determine the temperature change is caused by heat energy and using a beaker that contains 100 mL of H 2 O thermally insulated from its surroundings, one mol of solid CaCl 2 is mixed and solution is stirred
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