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

What is hotter 17 degrees celcius or 58 degrees Fahrenheit

2Na (s) + 2H2O (l) → 2NaOH (aq) + H2 (g) When 2 moles of Na react with water at 25°C and 1 atm, the volume of H2 formed is 24.5 L. Calculate the magnitude of work done in joules when 0.45 g of Na reacts with water under the same conditions.

What is meant by the term solubility

Ionic compounds dissociate in water into:

How many atoms are included in a 12 gram sample of carbon 12

Given the reaction 2NaOH + H2SO4 = Na2SO4 + 2H2O, what is the total number of grams of NaOH needed to react completely with 196 grams of H2SO4

The mass flow rate of gasoline leaving a refinery is 1610 kg/min. The specific gravity of a gasoline is 0.700. A retail gasoline pump is able to fill a 20.0 gallon automobile tank in 1.80 minutes.

Calculate the solubility of cux (ksp=[cu2+][x2-]=1.27*10-36) in a solution that is 0.190 m in nacn.

An atom has seven valance electrons which element could have this type of atom

How is the ocean important to human survival? restate the question