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An ocean diver experiences a light intensity (origination from the sun) of 452.6 W/m2 at a depth of 6.15 meters from the surface of the ocean. At a depth of 25.6 meters, the light intensity is 336.5 W/m2. What light intensity, in W/m2, will the diver experience at a depth of 44.6 meters?
What percentage of the original Ag+ remains in solution when 180 mL 2.10×10-2 M AgNO3 is added to 240 mL 3.76×10-2 M K2CrO4 ?
A sample of the unknown complex is analyzed and has an absorbance of 0.528. What is the molar concentration of Cu^2+ ions in the unknown solution?
What was the chemical reaction in the body, and what substance in the liver was produced to help catalyze the reaction?
The half-equivalence point of a titration occurs half way to the end point, where half of the analyte has reacted to form its conjugate, and the other half still remains unreacted.
A gas mixture is made by combining 7.9 g each of Ar and Ne and an unknown diatomic gas. At STP the mixture occupies a volume of 18.73 L.
What is the molecular formula of a gas that has a density of 1.88 g/L at STP? this is not the actual numbers but it would be nice to know how to do this.
In some solar-heated homes, heat from the sun is stored in rocks during the day and then released during the cooler night. (a) Calculate the amount of heat required to raise the temperature of 78.7 kg of rocks from 25.0°C to 43.0°C.
what is the name of the glassware to which the separatory funnel, boiling flask, and still head was attached during distillation?
How many neutrons are there in an atom of lead whose mass number is 208? A) 82 C) 208 E) none of them B) 126 D) 290 8. Atoms of the same element with different mass numbers are called A) ions. C) allotropes. E) isotopes. B) neutrons. D) chemical f..
This might not be a good question to ask on here but I don't know where else to try and get some help. What I cant figure out is what buttons to push on my calculater
From the restrictions on the three quantum numbers that define an orbital, which set of three quantum numbers listed below is forbidden:
Calculate the molarity of each of the following solutions. (a) 29.0 g of ethanol (C2H5OH) in 545 mL of solution
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