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What is the limiting reactant when 4.5 moles of aluminum react with 6.7 moles of oxygen gas?
Unbalanced equation: Al + O2 → Al2O3
When we extrapolate concentration dependent values to zero solute concentration, what do these extrapolated values mean physically
Lipitor blocks production of chlosterl in the liver. In addition to this reduction of the serum level of cholsterol, HDL acts to remove LDL from the bloodstream. How might this occur?
What is the main structural feature of the azo dyes that causes them to be colored compounds? Methyl Orange is an acid-base indicator. In dilute solution at pH greater than 4.4, it is yellow.
Identifying Organic Compounds, A colorless liquid A (C3H6O) was soluble in water and ether, and had a boiling point of 94-96 degrees Celsius. It decolorized a Br2-CH2Cl2 solution and gave a positive ceric nitrate test
given the equation 2C2H6(g)+7O2(g)->4CO2(g)+6H20(g) How many grams of oxygen are needed to react with 4.00 moles of C2H6?
How much sodium nitrate (NaNO3), in grams, should be added to water to prepare .05L of solution with a molarity of .25M?
Carbon is a fascinating element that is capable of forming four covalent bonds.
Compute the final temperature of the mixture (assuming no heat loss to the surroundings). The heat capacities of H2O(s) and H2O (l) are 2.08 and 4.18 J/g · °C, respectively, enthalpy of fusion for ice = 6.02 kJ/mol.
Determine the empirical and molecular formulas of Ibuprofen has 75.69% C, 8.80%H and 15.51%O by mass and has a molar mass about 206g/mol.
If 4.00 g of the unknown compound contained 0.133 mol of C and 0.267 mol of H, how many moles of oxygen, O, were in the sample?
Comparing potassium nitrate (KNO3) and sodium chloride (NaCl), which chemical's solubility (in water) is most affected by change in temperature.
If a car has an EPA mileage rating of 30 miles per gallon, What is this rating in km L-1? 1 liter = 1 dm3, 1 gallon = 3.785 liter, 1 mile = 1.609 km.
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