A25.0 ml sample of 0.193 m al(no3)3 sample is mixed with a 20.0 ml sample of 0.185 m kno3. what is the concentration of no3- of this mixture?

a
0.489 m
b
0.341 m
c
0.0808 m
d
0.189 m
e
0.404 m
f
0.426 m

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.

How does a noncompetitive inhibitor reduce an enzyme’s activity?

Heat is the total potential energy of a substance that can be transferred. true false