Considering the IMA of this frictionless inclined plane, how much force is required to drag a 90 lb. box up it?

A. 109 lb

B. 10 lb

C. 81 lb

D. 9 lb

Calculate the number of miles in 2.4g of carbon

Balance equation for solid aluminum reacts with solid iodine to produce solid aluminum iodide

Which statement correctly describes glycolysis? A) Glycolysis is endothermic and results in a net loss of ATP. B) Glycolysis is exothermic and results in a net loss of ATP. C) Glycolysis is endothermic and results in a net gain of ATP.

What will happen if HCl is added to a saturated solution of NaCl? 1) NaCl will precipitate. 2) NaCl will remain dissolved. 3) The solubility of NaCl will increase. 4) The concentration of Cl - ions will decrease

Explain the 'redox' process in your own words.

Which of following statements is true about scientific knowledge? Scientific ideas are not subject to change, so scientific knowledge stays the same. Scientific knowledge is constantly evolving as new observations are made.

Why is ice cream a mixture

Which of the following is a type of cell organelle? A. membrane B. cytoplasm C. DNA D. nucleaus

Electromagnetic forces are the predominant force in holding what subatomic particles together?

When in a compound, the oxidation number of a nonmetal: A). is always fixed and can never be changed B). can only be deduced once all the other oxidation numbers in the equation are totaled C).