Explain the base on bonding energy
Boron has a much lower coefficient of thermal expansion than aluminum, even though both are in the 3 B column of the periodic table. Explain, base on bonding energy, atomic size, and the energy well, why this difference is expected.
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The unit cells of several orthorhombic crystals are described below. What is the Bravais lattice of each and how do you know?
A charged oil droplet falls 4 mm in 18.0 s at terminal speed in the absence of an electric field. The specfic gravity of air is 1.35 multiplied by 10-3, and that of the oil is 0.75. The viscosity of air is 1.80 multiplied by 10-5 (N·s)/m2.
Water is sprayed radially outward over 180 degrees. the jet is in the horizontal plane. if the jet velocity at the nozzle exit is 30 ft/s, determine the direction and magnitude of hte resultant horizontal anchoring force required to hold the nozzl
A speech signal has a total duration of 20 sec. It is sampled at the rate of 8 kHz and then PCM encoded. The signal-to-quantization noise ratio is required to be 40 dB. The minimum storage capacity needed to accommodate this signal is ?
The partition is now removed, and the water expands to fill the entire tank. Determine the entropy change of water during this process if the final pressure in the tank is 40kPa.
The outlet area and velocity are 0.001 m^2 and 30m/s and the inlet velocity is 15 m/s. Determine the mass flow rate and the inlet area.
You are given three resistors, each of 10 kQ, and a 9-V battery whose negative terminal is connected to ground. With a voltage divider using some or all of your resistors, how many positive-voltage sources of magnitude less than 9 V can you design?
Explain why the modulus of elasticity of simple thermoplastic polymers, such as polyethylene and polystyrene, is expected to be low compared with that of metals and ceramics.
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Name and explain the experimental design being used in this study. Suggest why the use of faces of a range of ages would have improved validity.
The trolley problem primarily explores the tension between: Answer: a) Individual rights and collective welfare Feedback
The central nervous system (CNS) is the major integrating center of the body. Which of the following general statements about the CNS and its components is true
State if this is an anthropocentric or ecocentric approach to environmental ethics and (2) explain why you
YouTube Video: 15 Logical Fallacies from the 2020 U.S. Presidential Debates While watching this video, in no less than 400 words share
Academics, Cartesians, and the like sects usually do; and for a long time it looked as if you were advancing their philosophical Skepticism:
Describe the energy continuum. For each of the following sports or events, determine the percentage contribution from the anaerobic and aerobic systems.