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Metal M crystallizes in a face-centered cubic lattice. If the edge of the unit cell is 200 pm, what is the radius of a metal M atom (in pm)?
a. 71b. 94c. 100d. 141
Draw the major and minor resonance structure for the carbonate ion (CO3^-2). Include any formal charges, Indicate which are the major resonance structures and why.
if 8.40 grams of C are burned, how much heat will be released for the following balanced reaction: C + O2 -> CO2 + heat (393 KJ)
what 2 substances undergo a physical change if the temperature is reduced from 50 degrees celcius to negative 50 degrees celcius. what is the physical change that takes place in each case.
A first order decomposition reaction has a rate constant of 0.0418yr-1. What is the half-life of the reaction in yr
solid sodium reacts violently with water produing heat hydrogen gas and sodium hydroxide. how many molecules of
at a fixed temperature equal moles of n2 g and f2 g are mixed in a constant pressure container the volume of the
Intermolecular interactions can be classed as either: strong, moderate, or weak. Give two examples for each class and give approximate values for the magnitude
A typical aspirin tablet contains 325 mg of acetylsalicylic acid ( HC9H7O4). Calculate the pH of a solution that is prepared by dissolving five aspirin tablet(s) in one cup (237 mL) of solution. Assume the aspirin tablets are pure acetylsalicylic ..
The Greenhouse Effect - how the sun's visible light is converted into trapped infra red light and heat, causing the planet to warm up.
Decomposition of nitric acid NO to N2 and O2 is second order with a rate constant of 0.0796 M-1 s-1 at 737 degrees C and 0.0815 M-1 s-1 at 947 degrees C. Calculate the activation energy.
Use enthalpy of formation data to calculate the number of moles of CO2(g) produced per megajoule of heat released from the combustion of each fuel under standard conditions
1) Why does a glycogen molecule have one reducing end?, From the abbreviated name of the compound galactosyl (alpha beta 1 -->1) glucose we know that,
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