A 40g rock is
lowered into
20mL. The
water rose to
45mL. What is
the density?

In the analysis of hair and fiber samples, which does a compound comparison microscope allow for that a conventional compound microscope does not? a. simultaneous observation b. polarization c. fluorescence d. higher magnification

If you want to create an electrical current, which situation would produce a solution capable of this

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3 -> a2cr(no3)3 + a3ag2so4