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List the species in order of increasing bond energy and in order of increasing bond length.S22-, S2-, S2, S2+, S22+
Some hypothetical metal has the simple cubic crystal structure (i.e., atoms positioned at each of the eight corners with atoms touching one another along cube edges). Calculate its atomic weight if its atomic radius and density are 0.153 nm and 8...
a solution is prepared by adding 30.0ml of 0.060m hbr to 130.0ml of 0.40m hi. calculate the concentrations of all
A gas occupies a volume of 75 ml when the pressure is 380 mmHg. What volume does the gas occupy at 1140 mmHg
Calculate the pH during the titration of 32 mL of 1.149 x 10-1 M NaOH with 1.161 x 10-1 M HBr solution after the following additions of acid.
which of the following statements about colligative properties of solutions is false?1. the higher the concentration of
it is found that 1.431g of element x ciontains 7.509 *10^21 atoms. calculate the atomic mass of x
a if the electron in a hydrogen atom undergoes a transition from an n 6 level to an n 4 level what is the wavelength
In the (unbalanced) photosynthesis reaction above, Fill in the Blank 01 kg of glucose are produced if 44 kg of carbon dioxide are consumed. Make sure to balance the equation first.
Solutions A and B are separated by a semipermeable membrane that is permeable to K+, but not Cl-. Initially, Solution A is 0.5 L of 100 mM KCl, and Solution B is 0.5 L of 1 mM KCl.
how could one be endothermic (positive delta H- NaNO3 dissolves in water) and one be exothermic (negative delta H- NaCH3COO dissolves in water)? Is there more to consider than just the dissolving process?
If 5.00 X 10^3kg each of ammonia, oxygen, and methane are reacted, what mass of HCN and water would be produced, assuming 100% yield?
From the ration of the mass of the black product to the initial 5g placed in the flask, could the remaining black compound be the anhydrous copper carbonate hydroxide molecule?
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