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1))According to the following reaction, how many grams of water are needed to form 27.6 grams of oxygen gas? water (l) hydrogen (g) + oxygen (g) 2))According to the following reaction, how many grams of calcium hydroxide are required for the complete reaction of 24.8 grams of sulfuric acid? sulfuric acid (aq) + calcium hydroxide (s) calcium sulfate (s) + water (l) 3))According to the following reaction, how many grams of sulfurous acid (H2SO3) will be formed upon the complete reaction of 21.5 grams of water with excess sulfur dioxide? sulfur dioxide (g) + water (l) sulfurous acid (H2SO3) (g)
The enthalpy of combustion of methane, Ch4, is -890 KJ/mol. If the gas flow rate of the methane to the burner of a stove is 5 L/min at 25 degrees celsius and assuming complete heat transfer from combustion
A 1.30 M solution of citric acid (H3C6H5O7) in water has a density of 1.10 g/cm3. Calculate the mass percent, molality, mole fraction, and normality of the citric acid. Citric acid has three acidic protons.
At what pH will a solution 0.15 M Cu2+ begin to precipitate as Cu(OH)2? The Ksp for Cu(OH)2 is 1.6 × 10-19.
a student pumped some helium gas into a balloon. when this balloon was connected to an open ended U-tube containing some oil (density=9.18 g cm-3 the oil was displaced 112 mm towards the atmosphere. what is the pressure of the helium inside this b..
how many grams of carbon dioxide would be produced if 45 grams of C6H12O6 completely reacted with oxygen?
Reaction of an Alcohol to Produce an Alkyl Halide, N-butanol reacts with NaBr and H2SO4 to produce n-butyl bromide, via refluxation reaction in a lab experiment.
A Cu/Cu2+ concentration cell has a voltage of 0.24 V at 25 Celcius. The concentration of Cu2+ in one of the half cells is 1.5 * 10-3 M. what is the concentration of Cu2+ in the other half cell?
Erythro-2,3-dibromo-3-phenylpropanoic acid undergoes eliminiation by an E1 pathway in water solvent (Part A conditions),
The mass of purified sample of impure benzoic acid was .630g. How would I find the percentage recovery of my impure benzoic acid? And are the numbers I got in the lab reasonably correct?
How many grams of glucose (C6H12O6) must be dissolved in 563 gram of ethanol (C2H5OH) to prepare a 2.40 x 10-2 m solution?
Calculate the amount of energy present in the following photons and find the region of electromagnetic spectrum for each.
calculations of the sulfuric acid molarity if your average result from the titration of three 0.350 g samples is 15.72 mL. Please explain your answer in detail (words and calculations).
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