Unit Test: Astronomy Mid-Unit Test - Part 1

When is it summer in the Northern Hemisphere?

when the Northern Hemisphere is closest to the sun
when neither pole is receiving the most direct sunlight
during an equinox
when the Northern Hemisphere is tilted toward the sun

away from the curb

explanation:

the wheels would then hit the curb if it started to rolling, decreasing the chance of an accident.

consider the reaction below.

 no rx

at 500 k, the reaction is at equilibrium with the following concentrations.

[pci5]= 0.0095 m

[pci3] = 0.020

[ci2] = 0.020 m

what is the equilibrium constant for the given reaction?

0.042

0.42

2.4

24

wher is the rest of the question