Calculate the radii of the two atoms
If the Na+ radius is 56.4 % of the Cl- radius and the distance among the Na+ nuclei is 566 pm, calculate the radii of the two atoms? The NaCl crystal structures consist of alternating the Na+ and Cl- ion lying next to each other.
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Compounds of hydrogen and boron are remarkable, not only for their unusual bonding, but also for their reactivity. With the more reactive halogens, for example, diborane (B2H6) forms trihalides even at low temperatures:
6-foot pole will form center support. Determine length x of the side of base so that total amount of canvas required for sides and bottom is 576ft^2.
A 10 micro-coulomb charge is positioned at the origin and a 20 micro-coulomb charge is positioned on the x-axis at x = 40 cm. When an electron is positioned on the y-axis at y = 30 cm, Determine the magnitude of the force it will experience?
A local amateur ice skater determines that the probability she will place first in next regional competition is 0.61. Determine the odds she will win this competition?
The odds that it will snow tomorrow are 7 to 6. Determine the probability that it will not snow tomorrow?
A sky diver of 65 kg jumped out of an airplane at an altitude of 0.70 km. She opened her parachute after a while and ultimately landed on the ground having a speed of 5.8 m/s. Determine how much energy was dissipated by air resistance throughout t
If 15.35 calories of the heat were lost on the transfer, and the final temperature of water and alloy in the beaker was 27.95C, describe the heat capacity of the alloy?
Pool is shaped like the cylinder with diameter of 11 m and depth of 2 m. If water is pumped out of pool at rate of 13 m3 per hour, how many hours it takes to empty pool?
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