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

Two friends are having a conversation. anna says a satellite in orbit is in freefall because the satellite keeps falling toward earth. tom says a satellite in orbit is not in freefall because the acceleration due to gravity is not 9.80 m/2 . who do you agree with and why?

50 g of ice at 0°c is dropped in a beaker containing 100 g of water at 0°c. what will be the contents of the beaker after 5 hours? assume that the room temperature is 0°c.

Ais useful when you need a simple machine to you separate two things. a. lever b. screw c. pulley d. wedge