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Determine the adiabatic flame temperature when gaseous propane at an equivalence ratio of 0.5, and at 25'C, is burned in a steady flow process in atmospheric air.
a gas mixture of a amp b containing 1.5 mole a and 98.5 mole b is to be contacted by a pure liquid in a packed
The excess HCl in the solution required 94.9 mL of 0.128 M NaOH for complete neutralization in a titration. What was the molecular formula of the white substance
Indicate which of the following sets of quantum numbers in an atom are unacceptable. More than one answer could be right!
Chemical analysis of the two compounds reveals that 0.25 mol ACl 2 has a mass of 100.0 g and 0.50 mol BCl 2 has a mass of 125.0 g. Determine what are the molar masses of ACl 2 and BCl 2 ?
Determine the mass of lithium hydroxide produced when 0.38 g of lithium nitride reacts with water to make Ammonia (NH3) and Lithium hydroxide.
How many joules of heat are given off when 5 g of water cool from 75 degrees C to 25 degrees C?
What is the molar mass of a covalent compound if 0.486 g of it is dissolved in 25.0 mL of water and produces a freezing temperature
say you removed an ice cube at -10 ordmc weighing 36 g from your freezer. now you place the ice cube in a 90 g sample
A beaker with 120 ml of an acetic acid buffer with a pH of 5.00 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 8.40 ml of a 0.250 M HCl solution to the beaker. How much will the pH..
What volume of gold would be equal in mass to a piece of copper with a volume of 140.0 mL? The density of gold is 19.3g/mL; the density of copper is 8.96 g/mL.
Marble (calcium carbonate) reacts with hydrochloric acid solution to form calcium chloride solution, water, and carbon dioxide. What is the percent yield of carbon dioxide if 2.85 g of the gas is collected when 10.7 g of marble reacts?
Why is Sb capable of having an expanded octet whereas nitrogen can not even though they are in the same column on the periodic table
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