A volume of 229 mL of hydrogen is collected over water; the water level in the collecting vessel is the same as the outside level. Atmospheric pressure is 756.0 Torr and the temperature is 25°C. Calculate the atomic mass of the metal.

Which statement describes an open circuit? The circuit is incomplete and broken, and the lights in the circuit shine. / The circuit is complete and unbroken, and the lights in the circuit shine.

The electric potential difference of a 125 F capacitor is measured across the terminals of the capacitor and found to be 9.0 V. The potential energy of the capacitor, rounded to two significant figures, is

El Nino begins with which of the following? -upwelling of cold ocean water -the westward movement of winds and currents in the pacific -heavy mudslides in california and tornadoes in florida -the eastward movement of winds and currents in the

If a runner has a power output of 150 W over 10.0 s, then how much work does she do?

A cold beer initially at 35ºF warms up to 40ºF in 3 min while sitting in a room of temperature 70ºF. How warm will the beer be if left out for 20 min

In which circuit does charge reverse direction many times per second? O A. An AC circuit O B. A parallel circuit O C. ADC circuit O D. A combined circuit

How does a blocked ear canal cause hearing loss?

What is the velocity of a 50kg skater if her momentum is 225kg. m/s?

A pendulum consists of a 1.7-kg block hanging on a 1.6-m length string. A 0.01-kg bullet moving with a horizontal velocity of 828 m/s strikes, passes through, and emerges from the block (initially at rest) with a horizontal velocity of 340 m/s.

How many total atoms are in 2NaCl? 3 5 2 4