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Hydrogen peroxide, H2O2, is used to disinfect contact lenses. What volume of O2, in mL, of O2(g) at 35°C and 731 mmHg can be liberated from 50.0 mL of an aqueous solution containing 3.00% H2O2 by mass? The density of the aqueous solution of H2O2 is 1.01 g/mL.
2H2O2(aq)----->2H20(l)+O2(g)
Enter your answer with 3 significant digits.Enter scientific notation as 1.23E4.
At 10 degrees, Kc = 56.3 for the reaction below. H2 + Cl2 --> HCl
Calculate the molar solubility of calcium oxalate (CaC2O4) in a 0.080M calcium chloride solution. The Ksp of calcium oxalate is 2.3*10^-9
What is the molarity of a solution made by mixing 213.6 ml of 1.5 M NaCl with 328 ml of 4.3 M NaCl.
the property of mercury that allows it to form an amalgam with gold has been used in thee mining industry for hundred of years. during the boom in california in the 19th century
How many grams of NaCl would be formed from 100 grams of Na2CO3 in the following reaction? Na2CO3 + 2 HCl ? 2 NaCl + CO2 + H2O
Given the following balanced reaction, if a mixture of 1.50 mol of Al and 3.00 mol of Cl2 are allowed to react, how many moles of AlCl3 are formed, assuming a 75% yield?
Describe the preparation of 1L solution of 0.02M Tris buffer, PH 7.8. 3. What volume of glacial acetic acid (d= 1.06g/ml) and what weight of solid potassium acetate are required to prepare 5 liters of 0.2M acetate buffer,PH 5.0?
Estimate the value of the equilibrium constant at 625 {rm K} for each of the following reactions. Delta H{^{circ}_{rm f}} and S{^{circ}} for rm BrCl(g) is 14.6 {rm kJ/mol} and 240.0 frac {rm J}{rm mol cdot K}, respectively.
If a solution is made of naphthalene in heptane and has a vapor pressure of 82 torr, what is the mole fraction of naphthalene? Assume ideal solution behavior.
Calculate the molarity of a solution of glycerol made by dissolving 58.000 mL glycerol at 15 degrees Celcius in enough water to make 390.00 mL of solution.
For the reaction shown, calculate how many grams of each product form when the following amounts of reactant completely react to form products. Assume that there is more than enough of the other reactant.
What is the structure for the indole that would be obtained from the phenylhydrazone
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