What help scientists predict whether what can aircraft do that no other technology to

Write a net ionic equation to show that hydrofluoric acid, behaves as an acid in water.

Solar energy is energy from the sun that is converted into thermal or energy. a. nuclear b. mechanical c. electrical d. chemical

Agas is contained in a thick walled balloon when the pressure changes from 1.21 atm to 2.52 the volume changes from 3.75 l to 1.72 l and the temperature change from 293k to blank k