If 200 g of water is heated from 20 C to 40 C, then what is the heat added in kilocalories (same as food calories) ?

What is a characteristic of nuclear fission

Nicolaas constructed a working model of the hydrologic cycle during science class. He used an open flame, liquid water, two large glass bulbs, and some glass tubing. Which of the following processes does Nicolaas' model demonstrate?

What is the molarity of 245.0g of H2SO4 dissolved in 1.000L of solution?

Why is saponification

Which of the following solutions would be best to buffer a solution near pH 5? (a) 1.0 x 10-5 M HCl (b) 1.0 x 10-5 M NaOH (c) A solution containing approximately equal concentrations of hypochlorous acid (HOCl, Ka = 2.

All of the following can be recycled except clothing aluminum cans compact fluorescent bulbs plastic drink bottles

Use Henry's law and the solubilities given below to calculate the total volume of nitrogen and oxygen gas that should bubble out of 1.0 L of water upon warming from 25 ∘C to 50 ∘C.

Washing soda, a compound used to prepare hard water for washing laundry, is a hydrate, which means that a certain number of water molecules are included in the solid structure.

When you light a fire place what energy transformation takes place

Correctly identify the generic formula for a synthesis reaction. a. AB + A+B b. A+B → AB c. CxHx + O2 → CO2 + H2O d. AB + C + AC + B e. AB + CD → AD + CB