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A) be at the same concentration
B) collide with suffiecient energy to break bonds
C) bounce off the walls of the container
D) be of the same cheimical type
E) be present in stoichiometric quantities
odium carbonate (Na2CO3) can be produced by heating sodium bicarbonate (NaHCO3). A student heats 5.128 g sodium bicarbonate to completely decompose the sample to sodium carbonate.
a three carbon species that has a carbon level of zero at each carbon atom. b) two compounds that contain three carbon atoms and have a carbon atom with a carbon level of 1.
which the Estandard cell potential is +.90 given that the Estandardreduction potential for sulfite is -.57V, calculate Estandard reduction for X.
A 4.80 g nugget of pure gold absorbed 276 J of heat. What was the final temperature of the gold if the initial temperature was 26.0°C?
Determine the sign of ΔS sys and ΔS surr for each chemical reaction.2CO(g)+O 2 (g)?2CO 2 (g)ΔH ° rxn = -566.0 kJ. Choose from:
Draw the Lewis Structure for the ClF2+ion and AlF4-. For each ion, what are its electron-pair and molecular geometries? What orbitals on Cl and F overlap to form bonds between these elements
Calculate empirical formula of this compound & molecular formula and calculate the molality of solution of sulfuric acid?
A gaseous mixture of O2 and Kr has a density of 1.102 g/L at 420 torr and 300. K. What is the mole percent O2 in the mixture?
The elements silver, molybdenum, and sulfur combine to form Ag2MoS4. What is the maximum mass of Ag2MoS4 that can be obtained if 8.63 g of silver
The isomerization of cyclopropane to form propene is a first-order reaction. At 760 K, 85% of a sample of cyclopropane changes to propene in 79.0 min. Determine the rate constant for this reaction at 760 K
Two volatile liquids (A and B) form an ideal mixture at 300.0K which just begins to boil at a pressure of 0.3000 atm. The vapor pressure of pure component A is 0.5000 atm and the vapor pressure of pure component B is 0.2000 atm
What is the volume percent concentration of (a) 35.0mL of water in 725mL of an ethanol-water solution,and (b) 78.9mL of acetone in 1550
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