The energy for n = 4 and ? = 2 state is greater than the energy for n = 5 and ? = 0 state
Indicate whether the statement is true or false
TRUE
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The planets of the solar system were formed
a) as condensations/accretions of hot gases ejected from the Sun b) by the accumulation of many comets c) by a near collision between the Sun and a nearby star d) as individual condensation/accretion centers in a rotating solar nebula e) by the collapse of a single higher mass star into a black hole
An electron is accelerated from rest through a potential difference of 50.0 kV. What is the TOTAL energy of the electron? (c = 3.00 × 108 m/s, e = 1.60 × 10-19 C, mel = 9.11 × 10-31 kg)
A) 9.00 × 10-14 J B) 8.20 × 10-14 J C) 16.2 × 10-15 J D) 8.00 × 10-15 J E) 16.2 × 10-14 J
Three resistors, each with resistance R1, are in parallel in a circuit. They are replaced by one equivalent resistor, R. Compare this resistor to the first resistor of the initial circuit. Which of the following statements is true?
a. The current through R equals the current through R1. b. R is greater than R1. c. The power given off by R equals the power given off by R1. d. The voltage across R equals the voltage across R1.
Which domains of life are closely related to each other?
A) Eukarya and Archaea B) all three are closely related C) Bacteria and Eukarya D) Bacteria and Archaea