describe how to put a food you enjoy such as hamburger pizza or muffin identify one physical change that takes place as this food is prepared identify one chemical change that takes place as this food and prepare.

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

Which compound contains both ionic and covalent bonds? a) hbr b)cbr4 c)nabr d) naoh

If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.