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Can someone explain how to solve:
1. Determine the % relative error for the following quantity: (5.47±0.05) + (0.47±0.03) - (0.87±0.02)
2. Determine the absolute error for the following quantity: 0.821mol × 36.46g/mol ÷ 0.321g/mL
3. Determine the % error for the following quantity: 12.53 cm x 99.4 cm
A small collection of dimes and quarters are submerged in 10.00 mL of water in a graduated cylinder causing the water level to rise to the 18.87 mL mark. What is the combined monetary value (in Can$) of those coins?
1 a calorimeter contains 28.0 mlof water at 11.5 degreescelcius. when 2.10 g of x a substance with a molar massof 79.0
What mass of water (in grams) forms from the reaction of 2.66 L of hydrogen gas and 2.06 L of oxygen gas. Both gases are at 759 torr and 7.9 oC.
Palladium crystallizes in a face-centered cubit unit cell. Its density is 12.0 g/cm^3 at 27 degress C. Calculate the atomic radius of Pd.
(a) Can you suggest a reason that accounts for this unusual behavior? (b) Suggest an experiment with labeled compounds that would confirm this mode of attack.
Calculate the volume occupied by 15.4 g of carbon dioxide at STP, assuming ideal gas behavior.
What is the pH of pure water in equilibrium with 1 atmosphere of carbon dioxide at 25?C?
Directions: Using the definition of molarity, the given balanced equations, and stoichiometry, solve the following problems. Please submit your work via the l
The He I (21.22 eV) photoelectron spectrum of a molecule shows a series of equally spaced sharp peaks corresponding to photoelectron kinetic energies of 12.156, 12.295, 12.434, 12.573, and 12.712 eV. What is the vibrational frequency of the molecu..
Using a band diagram, explain how magnesium can exhibit metallic behavior when its 3s band is completely full.
Explain how many moles of KMnO4 are present in 280mL of a 4.80×10-2 M solution. Explain how many milliliters of 11.1M HCl solution are needed to obtain 0.260 mol of HCl
Chlorofluorocarbons or freons diffuse into the upper atmosphere. There, ultraviolet light initiates a radical chain reaction tha has been shown to cause extreme damage
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