1. What volume will 0.710 moles of nitrogen gas occupy at STP?
A. 15.904 L
B. 31.594 L
C. 0.0317 L
2. How many liters will 0.225 moles of hydrogen chloride gas occupy at STP?
A. 99.556 L
B. 5.04 L
C. 0.010 L
3. How many moles of methane gas (at STP) are in 2.87 L?
A. 7.805 mol
B. 64.288 mol
C. 0.128 mol

What type of electromagnetic radiation has a shorter wavelength than blue light

Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.

4. a 20-kg child is tossed up into the air by her parent. the child is 2 meters off the ground traveling 5 m/s. circle one: ke / gpe / both show your work for finding the values of each type of energy the object has: