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350.0 mL of 2.50 M HCL are added to 400.0mL of 5.00 M HCL. Assuming that the volumes are additive, what is the final concentration?
What would be the speed of the following particles if they had the same wavelength as a photon of red light ( = 750.0 nm)
Find the enthalpy delta H of the formation of liquid water in the standard state. g) Find the value U of the molar internal energy of water at standard conditions.
Nuclear engineers use chlorine trifluoride in the processing of uranium fuel for power plants. This extremely reactive substance is formed as a gas in special metal containers by the reaction of elemental chlorine and fluorine.
Creatine is a by-product of muscle metabolism, and creatinine levels in the body are known to be a fairly realiable indicator of kidney function.
A 41 kg person drinks 280. g of milk, which has a "caloric" value of approximately 3.0 kJ/g. If only 18% of the energy in milk is converted to mechanical work,
Given the following balanced chemical equation, if 345 g of I2 are formed, how many g of Cl2 had to react? 2 FeI2 + 3 Cl2 ? 2 FeCl3 + 2 I2
What would you expect to observe in terms of the angle of rotation if you were to double the concentration of a sample, but kept all other variables constant?
heated from 20 to 50 degrees Celsius. How many calories were needed to bring about the temperature change?
NH4ClO4 ignites and burns in the absence of any other material to produce N2, HCl, H2O and O2. Write the balanced chemical equation for this process and determine the mass of H2O produced.
How many air molecules are in a 11.5 * 12 * 10 room? Assume atmospheric pressure of 1.00 atm a room temperature of 20.0 Celsius and ideal behavior.
The white precipitate obtained when cold HCl was added to an unknown solution was completely insoluble in both hot water and NH4OH
Which of the following acids (listed with pKa values) and their conjugate base would form a buffer with a pH of 8.10
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