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Use the ideal gas equation to calculate the pressure exerted by 1.300 mol of Cl2in a volume of 5.450 L at a temperature of 244.0 K.
What is the pH of a solution prepared by adding 66.0 ml of 0.100 M HCl to 43.0 ml of 0.200 M NaOH
A sample of an unknown gas effuses in 11.9 min. An equal volume of H2 in the same apparatus at the same temperature and pressure effuses in 2.19 min. What is the molar mass of the unknown gas
A 5.0 mL sample of vinegar was titrated with 7.2 mL of 0.55 M NaOH(aq). If the density of the vinegar solution is 1.00 g/mL, what is the mass percent of acetic acid present?
(a) What is teh rate law for the reaction. what is the value of the rate constant
The work function, W, of magnesium metal is 5.90x10^-19 J. Calculate maximum wavelength of light required to release electrons from the metal.
Although acetanilide and phenacetin aren't appreciably acidic, acetaminophen(like aspirin) is a stronger acid than water.what problem would you encounter if the unknown component were acetaminophen rather than acetanilide or phenacetin, and you ex..
what mass of Fe (OH)3 would be produced by reacting 75.0 mL of a 0.0815M Fe( NO3)3 solution with 125 mL of a 0.150 M NaOH solution
determine the number of chloride ions in 11.73 g of magnesium
magnesium ions can be precipitated from seawater by theaddition of sodium hydroxide.how much sodium hydroxide in grams
The simplest formula of a substance is found to be CH2O, and its approximate molar mass is found by experiment to be 93 g•mol-1. What is its exact molar mass?
How many liters of CO2 are produced when 15 liters of O2 are consumed
The equilibrium constant (Keq) of the hydrolysis of glucose-1-phosphate at standard conditions is 4.25 * 10^3. The reaction can be written: G-1-P + H2O Glucose + H2PO4- What is the standard free energy change (delta G) in KJ/mol
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