_ NaBr + __ H3PO4 → ___ Na3PO4 + __ HBr
Type of reaction:
Synthesis, decomposition, single replacement, double replacement or combustion

The density of a substance is 4.0 g/cm3. if a sample of the substance has a volume of 25 cm3 then what is the mass

As a pendulum bob swings back and forth several times, the maximum height it reaches becomes less and less. this is because more and more of the pendulum bob's energy is being transformed into a. heat energy b. kinetic energy c. potential energy d. kinetic energy and potential energy

Holes drilled several kilometers into earth’s crust provide direct evidence about earth’s interior in the form of