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Compute, in centimeters and in meters, the height of a basketball player who is 6 ft 4 in. tall. Compute, in both feet and inches, the height of a woman who is 165 cm tall.
2 Al2O3(s) → 4 Al(s) + 3 O2(g) . ?H = +3339.6 kJ/mol What is ?H for the formation of one mole of Al2O3(s) from the elements?
The solution is filtered and treated with KSCN to precipitate the excess silver as AgSCN. 0.0140 g of AgSCN are recovered. What is the weight percent of KI in the original mixture
Calculate the concentrations of NH4+ and NH3 and the pH in a solution prepared by mixing 22.0g of NaOH and 0.500L of 1.5 M NH4Cl. Assume that the volume remains constant.
a mixture of 0.600 mol of bromine and 1.600 mol of iodine is placed into a rigid 1.000-l container at 350degc.br2g i2g
1. if the concentration of the orginal solution of 1.0 mcuno32 was actually less than 1.0 m howwould this affect the
Consider the hypothetical elements A, B, and C and assume these elements react to form several different binary covalent compounds. Two of the compounds are A2B2 and B3C.
A. When dissolved solute and undissolved solute exist in equilibrium with each other in a solution, that solution is said to be "supersaturated".
make a model of propane. if you substitute one bromine atom for one hydrogen atom how many isomers are possible? show
A compound is constituted by mass of 52.1% carbon and 13.1% hydrogen, the rest being oxygen. Given that a volume of 5.33 L of this gas has a mass of 11.5 g at 13 °C and 110 kPa, find the molecular formula for this compound.
dichloromethane and carbon tetrachloride... what are thepartial pressures of these substances in the vapor above a
What is the solubility of MnS, in grams per liter, in a buffer solution that is 0.115 M HC2H3O2 - 0.495 M NaC2H3O2? For MnS, K_{spa}=3*10^7.
Question- Write a balanced equation for the double-replacement neutralization reaction described, using the smallest possible integer coefficients. A reaction occurs when aqueous solutions of sulfuric acid and zinc hydroxide are combined.
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