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A 62.0-kg man stands on a bathroom scale inside an elevator.
(a) The elevator accelerates upward from rest at a rate of 1.25 m/s2 for t1 seconds. What does the scale read during this time interval?
(b) The elevator continues upward at constant velocity for t2 seconds. What does the scale read now?
(c) While still moving upward, the elevator's speed decreases at a rate of 0.600 m/s2 for t3 seconds. What is the scale reading during this time?
In the ground state of an atom of silver (Ag), Define how many electrons will there be with the quantum number l = 1. (The n, ml and ms quantum numbers may have any appropriate values.)
One mole of a monatomic ideal gas is adiabatically expanded from 2.23 L to 5.78 L. Calculate the q, w, Delta U, delta S, and delta H for this process
Calculate the volume occupied 1.50g 7.00g of O2 and Cl2 react when mixed without exerting a pressure 482atm to 22 degrees Celsius.
calculate the change in enthalpy and entropy of 50g of liquid water starting at 10 degrees celsius and completely
Copper has two naturally occurring isotopes,63Cu (isotopic mass 62.9396 amu) and 65Cu (isotopic mass 64.9278 amu). If copper has an atomic mass of 63.546 amu, what is the percent abundance of each isotope?
Consider the case of a radioactive element X which decays by electron (beta) emission with a half-life of 4 days to a stable nuclide of element Z.
Identify the specific independent and dependent variables that will be involved in an experiment to test this hypothesis.
Phosphorus-32 has a half-life of 14.0 days. Starting with 2.00g of P^32, how many grams will remain after 70.0 days? Express your answer numerically in grams.
if the initial concentration of ab is 0.230 m and the reaction mixture initially contains no products what are the
The solubility of AgCl(s) in water at 25 degrees C is 1.33*10^-5 mol/L and its deltaH0 of solution is 65.7 kJ/mol.
Determine the maximum number of moles of SO2 produced from 12 moles of H2S and 4.0 moles of O2
State a Lewis formula for NCl3 and indicate the number of regions of high electron density and explain the electronic and molecular geometries
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