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Nitrogen monoxide is produced by combustion in an automobile engine. According to the following reaction, how many moles of oxygen gas are necessary to form 0.285 moles nitrogen dioxide?
nitrogen monoxide (g) + oxygen (g) nitrogen dioxide (g) ___?___moles oxygen gas
What is the chemical balance equation and what causes the color and precipitation?
Starting with Benzyl alcohol (PhCH2OH) and any other organic or inorganic reagents outline a series of reactions leading to ethyl
A backpacker wants to carry enough fuel to heat 2.2 kg of water from 30 C degree to 100.0 C degree. If the fuel he carries produces 36 kJ of heat per gram when it burns
If 1.50g (NH4)2SO4 is dissolved in enough water to form 250 ml of solution, what is the molarity of the solution.
Picric acid is a monoprotic acid that has been used in the leather industry and in etching copper. However, its' laboratory use has been restricted because it dehydrates on standing and can become shock sensitive
The mass spectrum of an organic compound shows the relative abundances of M to be 83.79% and M 1 to be 13.59%. Assuming the peaks are caused by 12C and 13C isotopes,
What is the molarity of a solution prepared by adding 29.3 g of HNO3 to enough water to make 2 L of solution
A buffer was prepared by adding 2.4 g of ammonium nitrate to 100.0 mL of 0.30 M ammonia (Kb = 1.8 × 10-5). To this solution was then added 10.0 mL of 0.30 M sodium hydroxide
After treatment with trypsin, which cleaves at R and K, there were 3 fragments: two dipeptides and MGAV. What is the sequence of the peptide? Use the one-letter abbreviations for the amino acids, and do not use dashes.
If a gas system at 25oC has a pressure of 23.0 atm, what pressure will the system change to if the temperature rises to 35.0oC?
a graduated cylinder reads 4 ml of water.then a shell is dropped into it and the water level rises to 12 ml.what is the volume of the shell?
Calculate the pH of a solution formed by mixing 65-mL of 0.22M NaHCO3 with 75-mL of 0.15M Na2CO3.
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