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What is the energy per photon of the lowest frequency of electromagnetic radiation that can be used to observe a gold atom with a diameter of 280 picometers? (1 picometer = 1 × 10-12 meter)
A Mixture of 80mL of Hydrogen Gas and 60 mL of Oxygen gas is ignited by a spark to form water (please show work) a) does any gas remain unreacted.
If the reaction N2(g) + 3H2(g) ! 2NH3(g) is carried out at constant temperature and pressure, how much H2 is required to react with 6.4 L liters of N2.
What masses of iron(III)oxide and aluminium must be used to produce 15.0g iron? What is the maximum mass of aluminium oxide that could be produced?
Determine at what temperature should the reaction be run to get a seventy five conversion of carbon monoxide?
Solving this question helps the student to understand how to find the limiting reactant and how much product is produced and What mass of product may be produced?
Suppose that you developed your own new temperature scale, denoted oN. You chose 30.0oN as the temperature of freezing water and 280oN as the temperature of boiling water at 1.0 atm pressure.
3H2 (g) + N2 (g) 2NH3(g), Kc = 6.0 × 10-2 at 500°C for this nitrogen fixation reaction. What is the equilibrium concentration of N2 If 0.250 M H2 and 0.050 M NH3 are present at equilibrium?
What is the volume occupied by 25.0 gm of Ar (g) at a temperature of 301K and pressure of 1.30atm.
Use a drawing program to draw a beaker.
A graduated cylinder contains 25.0 of water. What is the new water level after 34.2 of silver metal with a density of 10.5 is submerged in the water.
Determine the freezing point and calculate the final temperature if initially this iron nail was at temperature of 28 degree Celsius?
A student has sample of HNO3 of 340 ml at 25 degrees celsius and add water of 110 ml at 95 degrees celsius then determine the final temperature of the mixture
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