Mass of a sample of gas doesn't change, no matter what happens to its pressure, volume, or temperature.
Answer:
C. Horizontal component of velocity
Explanation:
Object in motion stays in motion,
nothing works against its motion in the horizontal direction, unlike in the vertical direction, gravity pulls object down.
Answer:
It looks like its moving north.
Explanation:
The standard states of elements are the forms that they adopt at a temperature of 25°C and pressure of 1 atmosphere. These forms of the elements are the reactants in the formation equations of multi-element substances. The heat of formation (∆Hf°) of an element in its standard state is zero
Answer:
D
Explanation:
They looked at her hand and made a formal conclusion from that