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The most prominent line in the spectrum of Neon is found at 865.438 nm. Other lines are found at 837.761 nm, 878.062 nm, 873.375 nm, and 1885.387 nm.
a.) In which region of the electromagnetic spectrum are these lines found?
d.) Calculate the frequency of the most prominent line. What's the energy of a single photon with this frequency?
What are the net ionic equations for the redox reactions
1) Bakelite us obtained by the condensation of : 2) When HCHO reacts with Nh3, the compound formed is :
a 125 g metal block at a temperature of 93.2 Celsius degree was immersed in 100. g of water at 18.3 celsius degree. given the specific heat of the metal (Cp = 0.900 J/g Celsius), find the final temperature of the block and the water.
CS2(l) + 3 O2(g) -→ CO2(g) + 2 SO2(g) . If 1.18 mol of CS2 is combined with 1.55 mol of O2, identify the limiting reactant.
describe how will you prepare a supersaturated solution of potassium nitrate in water.
A solid brick of dry ice (CO2) weighs 0.75 kg. Once the brick has fully sublimated into CO2 gas, what would be the volume of solid brick at STP.
A mixture of water and graphite is heated to 600 K. When the system comes to equilibrium it contains 0.13 mol of H2, 0.13 mol CO, 0.43 mol of H2O and some graphite
Determine the number of moles of O2 produced by the decomposition of 213 g of NaClO3.
For the titration of 40.0 mL of 0.250 M acetic acid with 0.200 M sodium hydroxide, determine the pH when
the temperature derivative of the entropy at constant pressure is related to what important,measurable physical quantity? Can this quantity ever be negative?And also recall how the curvature of a surface is related to the sign of a certain derivat..
Correlation of structure with the melting point - What structural aspect of these 18-carbon fatty acids can be correlated with the melting point?
If 114 grams of CS2 are burned in an excess of O2 (an amount sufficient to burn completely all 114 g of CS2), how many moles of SO2 are formed?
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