What number should be placed in front of KBr to balance this chemical equation? Br2 + 2K] → __KBr + 12 O A. 3
B2
C. 1
D. 4​

On a cold day, when the air temperature is 0°c, you empty your lungs and take a deep breath, filling your lungs with 4.2 l of air. if you hold your breath until the temperature of the air in your lungs reaches 37°c, what is the volume of the air in your lungs at that point, assuming the pressure does not change?

Akg a of 55 m at an of 11 ? . if is at 98 km/h, be ?

The heliocentric and the geocentric models of the solar system included these central principles