What volume will a sample of hydrogen occupy at 28.0 oc if the gas occupies a volume of 2.23 ml at a temperature of 0.0 oc? assume that the pressure remains constant. (remember to change to kelvin) ?

The metal aluminum coils in an air conditioner conduct thermal energy from inside the house and release it outside the house.

What type of energy transformations take place in a windmills

The acid-base reaction between phosphoric acid (H3PO4) and calcium hydroxide (Ca (OH) 2) produces water and calcium phosphate (Ca3 (PO4) 2)). For each mole of calcium phosphate produced by this reaction, how many moles of water are produced

What form of energy emission accompanies the return of excited electrons to the ground state?

In a chemical reaction, if a color change is detected, if an odor change is detected, or if a precipitate is formed, then: a chemical reaction has definitely occurred only physical reactions have occurred a chemical reaction may have occurred both

The agricultural practice of spraying insecticides leaves behind which pollutant in the soil? A. Chemical poison B. Excess nitrogen C. Excess salt D. Acidic compounds

What is the name of the compound composed of iron and carbonate? [hint: iron has a + 3 charge in this compound]?

In a chemical equation the products appear on which side of the equation? A. Left B. Top C. Right D. Bottom

What does the shape of a protein molecule resemble?

Which set of terms best defines what affects kinetic energy and potential energy, respectively? position, gravity gravity, velocity velocity, height height, position