The phase angle
Consider a coil which has a resistance of 0.314Ω and an inductance of 0.002 H being supplied by 240 Vrms, 50 Hz AC source. By finding the phase angle first, find the power factor.
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Argon gas enters an adiabatic compressor under steady flow conditions at 12o kpa and 30 C with a velocity of 20 m/s and exits at 1.2 Mpa, 530 C and 80 m/s.
A 3.50 g sample of solid Mg(OH)2 was treated with 50.0 mL of 0.500 M H2SO4(aq). After the reaction was over, some of the Mg(OH)2 remained undissolved. Calculate how many g of solid Mg(OH)2 remained.
Calculate the molar concentration of OH - ions in an 1.37 M solution of hypobromite ion, BrO- (Kb = 4.0 10-6).
To obtain Ksp for PbI2, we must calculate [Pb2+] in each equilibrium system. This is most easily done by constructing an equilibrium table.
For a vertical cylinder with an electric heater 2500watt at the base,an inlet(lower part of cylinder with cold water at 25C) and outlet(upper part of cylinder, with hot water @ 100C) flow channel.
Which of the following is a typical property of an ionic compound?
Calculate the concentration of nitrate ions in the resulting solution (don't forget about the stoichiometry), and determine the uncertainty in that value. What is the primary contribution to the uncertainty?
1) what is the molarity of a kf(aq) solution containing 116g of KF in 1.00 L of solution? 2) What is the molarity of an H2SO4 solution if .25L os the solution contains .75 mol of H2S04?
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Which of the following best describes the rationale of those public officials who are promoting the policy referenced in the title of the Texas Tribune article?
Problem: Political messaging and how a policy is framed to one's supporters and to the general public are important.
What are 2 or 3 advantages of conducting policy evaluations in criminal justice? What is the significance of policy research in policy evaluation?
What is society's goal for unions? To limit individual employees' bargaining power To ensure that workers have a voice in how they are treated
How can grassroots movements and community-led initiatives drive change in addressing environmental injustices, and what strategies have proven
The control model is based on strict authority and rigid rules. It emphasizes discipline, surveillance, and limited privileges for inmates.
Question: Which of the following statements illustrates the impact of the reform era (1900-1920) on US political parties?