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Uses of de-Broglie equation in electromagnetic specra.
a. What is the utmost wavelength of energy needed to observe a photoelectric effect for potassium?
b. What is the corresponding colour of light of this wavelength?
When .0430 mole of titanium is combusted in a bomb calorimeter, the temperature of the calorimeter increases from 30.00degress Celsius to 91.60 degrees Celsius. In a separate experiment, the heat capacity of the calorime ...
How many seconds will be required to produce 1.0 g of chromium metal by the electrolysis of a Cr(NO3)3 solution using a current of 3.0 A? Could someone please help me with the work for this.
Determine the percent yield(with respect to CO2 and CH4) of the reaction if 1.25g of CO2 was formed by reacting 2.50g of CH4(g) with excess O2 in the reaction: CH4(G) +O2(g) ---->CO2(g) +H2O(g).
Discussion 1: In this discussion, consider how fats are digested and utilized in the body. Address the following questions: What enzyme is necessary for fat digestion? Where is this enzyme produced and where does fat di ...
What is the molarity of 2.00 L NaOH Solution prepared from the dilution of 50.00 mL of 19.1 M NaOH?
What are the major sources and emissions of air pollution in your community? What chemicals are they emitting, and how are these chemicals transported through your community (non-point sources, smokestacks, etc.)? Were y ...
Write the elemental symbol, with charge, for when Aluminum forms an ion and tell whether it is an anion or a cation. Think about whether it gains or loses electrons.
Determine the mass of glucose, C6H12O6(s), needed to produce a 0.150m glucose solution in 50.0mL of C2H5OH(l), density 0.789g/mL
One method to produce nitrogen in the lab is to react ammonia with copper (II) oxide: NH3(g) + CuO(s) Cu(s) + H2O(l) + N2(g). After using 40.0 grams of NH3, 15.5 grams of N2are produced. What is the percent yield of nitr ...
What is the volume occupied by 29.1 g of argon gas at a pressure of 1.23 atm and a temperature of 399 K?
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