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A metal stand specifies a maximum load of 450 lb. Will it support an aquarium that weighs 59.5 lb and is filled with 37.9 L of seawater (d = 1.03 g/mL)?
what is the final mass upon mixing 8.54 mL of HCl and 8.54 mL of NaOH, both solutions have an initial concentration of 2.00 M.
A mixture of 0.160 moles of C is reacted with 0.117 moles of O2 in a sealed 10.0L vessel at 500.K, producing a mixture of CO and CO2. The total pressure is 0.640 atm. What is the partial pressure of CO? 3C + 2O2---> 2CO +CO2
You mix 55 mL of 1.00M silver nitrate with 25 mL of 0.81 M sodium chloride. What mass of silver chloride should you form?
How to Name and Define Acids, How can you know that HNO3 is nitric acid and HNO2 is nitrous acid? How do you know the difference in endings?
How to calculate wavelength of light emitted when transition in hydrogen atom? How caclulate wavelength in nanometers?
What amount of energy is required to completely ionize 6.2 grams of carbon atoms in the gas phase (C(g)) if the ionization energy of C(g) is 1086 kJ/mole?
A healthy individual has a blood glucose concentration reported as 122 mg/dL. convert that to units of g/L
How much heat (in ) is required to warm 10.0g of ice, initially at -11.0(degrees C), to steam at 113.0(degrees C)? The heat capacity of ice is 2.09(J/g* degrees C) and that of steam is 2.01(J/g*degrees C) .
A cool solution of sodium nitrite and a solution of the amine in an ice bath. Moderately concentrated hydrochloric acid is added.
An empty flask's mass is 17.4916g, its mass is 43.9616g when filled with water at 20.0c (d=0.9982g/ml). The density of "heavey water" at 20c is 1.1053g/ml. What is the mass of the flask when filled with heavy water at 20.0c
An analytical procedure requires a solution of chloride ions. how many grams of caCl2 must be dissolved to make 2.15 L of 0.0520 M Cl-.
The cytochrome b complexes of the mitochondrion and the chloroplast have similar organization and function. They each pass electrons from a reduced quinone to a peripheral membrane protein
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