which term should be used to label the chemical equation in this image? 2h2+o2 2h2o coefficient, subscript, exponent, or symbol

Agood hypothesis includes which of the following? a: prediction b: data c: uncertainty d: conclusion

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.

What are transitions between a liquid and gas called? identify which way they are transitioning