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Calculate the heat capacity of a calorimeter if the combustion of 4.660 g of benzoic acid led to an increase in temperature of 7.148 degree celsius.
What concentration of bezoyl peroxide (kd=1.45 x 10^6 L/mol at 60 C) would be needed to polymerize a 1M solution of styrene to a molecular weight of 125,000?
Calculate the approximate SO 2 mass emission in lb/day.
The chemist discovers a more efficient catalyst that can produce ethyl butyrate with a 78.0g yield. How many grams would be produced from 7.95g of butanoic acid and excess ethanol
A solution is prepared by dissolving 12.4 g ammonium sulfate in enough water to make 100.0 mL of stock solution. A 12.50 mL sample of this stock solution is added to 55.00 mL of water. Calculate the concentration of ammonium ions and sulfate ions ..
How would increasing the molarity of the NaOH solution from 0.5M to 1.0M affect the number of drops required for the observed color change to occur
If the volume of the cylinder is 5500 mL and the pressure of the N2 in it is 2.5 atm. (temperature is 25oC) a. How many moles of nitrogen molecules are in the cylinder
Tums calcium carbonate reactswith stomach acid ( HCI) according to the reaction below. One tablet of tums contains 500.0 mg CaCO3. If one tablet of tums is addedto 20.0 mL 0.100M HCI, how many grams of CO2 gas are produced?
Given that the specific heat capacities of Fe(S) and water are 0.450 J/g? and 4.184 J/g?, respectively, what is the final temperature of the system
Below is the 1H NMR spectrum of the following triazine structure. In the expansions of the spectrum, place the observed multiplicity in the bin above the resonance.
A student tried the Wittig reaction experiment and did not notice the development of a yellow color when she treated benzyltriphenylphosphonium chloride with sodium ethoxide
Aqueous ammonium chloride and aqueous lead(II) nitrate Express your answer as a chemical equation. Identify all of the phases in your answer. Enter NOREACTION if no reaction occurs.
air contains nitrogen oxygen argon and trace gases. if the partial pressure of nitrogen is 587 mm hg oxygen is 158 mm
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