Author Question: Rutherfordium-261 has a half-life of 1.08 min. What is the decay constant of rutherfordium? A) ... (Read 34 times)

Kthamas · **on:** Jul 29, 2018

Rutherfordium-261 has a half-life of 1.08 min. What is the decay constant of rutherfordium?

A) 0.0107 s-1
B) 0.0154 s-1
C) 1.87 s-1
D) 2.91 s-1
E) 0.344 s-1

Question 2

On a hot summer day, you turn the thermostat in your house way down. Assume that your house is well sealed and that no air enters or leaves the house.

When the air temperature in your house falls a short while later, what statement is correct regarding the air pressure? A) The air pressure is higher at the lower temperature.
B) The air pressure is lower at the lower temperature.
C) The air pressure does not change at the lower temperature.
D) The air pressure increases at first but then decreases again as the temperature approaches its higher value.
E) The air pressure decreases at first but then increases again as the temperature approaches its lower value.