Please answer fast Body System used for support, movement, structure and makes red blood cells A. Skeletal
B. Integumentary (skin)
C. Circulatory
D. Nervous

How many moles are in 43.9 l of oxygen

Mr. rose asked his student to draw a quadrilateral with four unequal sides. an example of this kind of quadrilateral

1.17 mol hcl and 2.5 mol naoh react according to the equation hcl + naoh -> nacl + h2o . if the limiting reactant is hcl, determine the amount of excess reactant that remains. answer in units of mol.