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A light of 655 nm is shone onto a metal surface and transfers some of its momentum to the metal. Will the reflecting light have a wavelength greater or less than 655?
Find the mass of the sugar (C6H12O6) required to produce 1.82 L of carbon dioxide gas at STP from the reaction?
A graduated cylinder contains 133 mL of water. A 17.0 g piece of iron (density = 7.86 {g/cm^3}) and a 23.0 g piece of lead are added. What is the new water level in the cylinder?
A 290 mL stock solution contains 2.3 M Ca(CN)2. When 100 mL of the stock solution is diluted to 125 mL, how many moles of CN- ions will be contained in the dilute solution
Calculate the values of E for the cell when the following volumes of the Cu titrant have been added: (Activity coefficients may be ignored as they tend to cancel when calculating concentration ratios.
A shelf containing several chemicals (Salicylic acid, 4-(4-Hydroxyphenyl)butan-2-one {a.k.a. Raspberry Ketone} and 4-methylaniline) fell and the vials shattered.
The minerals chalcocite (Cu2S) and malachite (Cu2CO3(OH)2) are two primary sources of copper. What is the oxidation state of copper in each of these minerals?
What is the net ionic equation of the reaction of \rm ZnCl_2 with \rm NaOH
How does theoretical yield allow you to determine the stoichiometry of the reaction?CaCl2.2H2O + K2C2O4.H2O ---> CaC2O4.H2O + 2KCl + 2H2O
A large pond is 300m by 95m with an average depth of 2.5m. Assuming that the pond is saturated with oxygen, calculate the amount of sugar (C12H22O11) in kg that would be sufficient to completely consume the dissolved oxygen.
use an orbital interaction diagram to draw the molecular orbitals oh H2+. Do you predict that this molecule will be stable? Explain your logic.
What is the molar mass of the following: a) O2, b) KH2PO4, c) Fe(ClO4)3, d) C4H8O4, e)Ga2(CO3)3, f) KBrO4. Please use significant figures.
The density of air at ordinary atmospheric pressure and 25 0C is 1.19 g/L. What is the mass of air, in kg, in a room that measures 12.5 ft by 15.5 ft by 8.0 ft?
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