Physics, 13.12.2019 23:31 davidsouth444
The molecular mass of helium is 4 g/mol, the boltzmann’s constant is 1.38066 × 10−23 j/k, the universal gas constant is 8.31451 j/k · mol, and avogadro’s number is 6.02214 × 1023 1/mol. given: 1 atm = 101300 pa.
1.how many atoms of helium gas are required to fill a balloon to diameter 36 cm at 49◦c and 0.902 atm?
2. what is the average kinetic energy of each helium atom? answer in units of j.3. what is the rms speed of each helium atom? answer in units of m/s.
Answers: 3
Physics, 21.06.2019 19:00
Adelivery truck leaves a warehouse and travels 2.60 km north. the truck makes a left turn and travels 1.25 km west before making another right turn to travel 1.40 km north to arrive at its destination. what is the magnitude and direction of the truck's displacement from the warehouse?
Answers: 2
Physics, 22.06.2019 17:20
The magnitude of the magnetic field at a certain distance from a long, straight conductor is represented by b. what is the magnitude of the magnetic field at twice the distance from the conductor? a. at twice the distance, the magnitude of the field is 4b.b. at twice the distance, the magnitude of the field is 2b.c. at twice the distance, the magnitude of the field is b/2.d. at twice the distance, the magnitude of the field is b/4.e. at twice the distance, the magnitude of the field remains equal to b.
Answers: 3
Physics, 22.06.2019 22:00
Agirl throws a ball. if the ball's acceleration is 12 m/sec/sec and its mass is 0.5 kg, how much force did the girl apply to the ball?
Answers: 1
Physics, 23.06.2019 05:30
Which if these is an etiquette rule? (american football) question 10 options: a. debating with the ref over a call b. not communicating with your team c. post-game handshake d. taunting
Answers: 1
The molecular mass of helium is 4 g/mol, the boltzmann’s constant is 1.38066 × 10−23 j/k, the univer...
Mathematics, 20.08.2019 02:10
Mathematics, 20.08.2019 02:10
Biology, 20.08.2019 02:10
Mathematics, 20.08.2019 02:10
Mathematics, 20.08.2019 02:10
Mathematics, 20.08.2019 02:10