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The combustion of an unknown amount of acetylene (x moles of C2H2) with pure oxygen in an oxyacetylene torch produces the following dry exhaust gas analysis: 39.14% CO2 and 60.86% O2. Determine
a. The actual molar and mass fuel/oxygen ratios.
b. The percent of excess oxygen used.
c. The molar percentage of each combustion product before the exhaust gas was dried for this analysis.
what mass of magnesium in reaction with an excess of hydrochloric acid is needed to produce 128 ml of hydrogen h2 gas?
if a sample containing 1.00 ml of nitroglycerine density 1.592 gml is detonated how many total moles of gas are
The complete combustion of propane, C3H8(g), is represented by the equation: C3H8(g) + 5 O2(g) ? 3 CO2(g) + 4 H2O(l) ?H° = -2220 kJ How much heat is evolved in the complete combustion of 12.5 L C3H8 (g) at 25°C and 790 mmHg
Find the partial pressure of each product and the total pressure in the flask at the end of the reaction?
The predominant isotope of gold, , has an experimentally determined exact mass of 196.967 . What is the total nuclear binding energy of gold in electronvolts per atom
Compute the molarity and molality of a solution consisting of 1.56g of sodium chloride dissolved in 10.00 mL of acetone density of acetone= 0.791 g/mL
Question- A 50.00mL sample of aqueous Ca(OH)2 requires 34.66 mL of a 0.757 M HNO3 (Nitric Acid) for neutralization. Calculate the concentration (molarity) of the original solution of calcium hydroxide.
If 0.015 M NaCl shows conductivity of 12,000 units, based on "total ion concentration" what conductivity should be observed for 0.030 M Na2SO4?
In each of the following polyatomic ions, the central atom has an expanded octet. Determine the number of electron pairs around the central atom and the hybridization in: SF2 2- AsCl6- Scl4 2- I'm really confused on this one so your thorough help ..
Select the IR frequency and number of NMR signals that is diagnostic for either isomer a or isomer b. Isomer A: cyclopentanecarboxamide Isomer B: 6-hydroxyhexanenitrile
Compute the number of electrons in a flake of pure gold valued at $0.32. Assume that the price of gold is $1219.0/troy oz.
Problem- In a 1 M solution of NH3(aq) identify the relative molar amounts of these species. Arrange them from most to least.
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