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Question:
If 20.0 mL of 0.12 M cobalt(II) nitrate is reacted with 15.13 mL of 0.097 M sodium phosphate, which of the two reactants will be left over and which will be completely consumed?
1/ A tunable dye laser emits pulses of light at 566.0 nm, each having a total energy of 7E-6 J. Calculate the number of photons in each pulse.
A 10.0 mL sample of liquid bleach is diluted to 100. mL in a volumetric flask. A 25.0 mL aliquot of this solution is analyzed using the procedure in this experiment. If 12.1 mL of 0.30 M Na2S2O3 is needed to reach the equivalence point, what is th..
After balancing the above chemical equation, identify the different reactants and the different products.
How many spectra must be averaged in order to increase the signal-to-noise ratio of a spectrum from 7/1 to 20/1? i took 20/7 and squared
A reaction of one liter of chlorine gas with 3 liters of fluorine gas yields 2 liters of a gaseous product. All gas volumes are at the same temperature and pressure. What is the formula of the gaseous product?
total of 2.00 moles of a compound is allowed to react in a foam coffee cup that contains 122 gm of water. The reaction caused the temperature of the water to rise from 21.0 to 24.7
What volume of 3M H2SO4 is needed to neutralize all of the disodium salicylate and the excess NaOH present after the initial reaction? How much sulfuric acid was in excess
Which compound in each pair has a higher melting point. explain why
Sketch a cube. How many vertices does it have? How many edges? How many faces? Mark four vertices of the cube that are also vertices of a regular tetrahedron.
What are the van't Hoff factors of C2H5OH (no dissociation), NaCl (full dissociation), Na2CO3 (full dissociation) and H2SO4 (64% dissociation)
How is chemistry related to cellphones more likely to work in hurricanes than earthquakes
a articular brand of beef jerky contains 0.0552 sodium nitrite by mass and is sold in an 8.00 oz bag. what is the mass
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