In order for a substance to change from a liquid to a gas,

heat must be taken away

heat must be added

heat could be either added or taken away

heat must be kept constant

2h3co and h3co3 what is this

What's the smallest celestial body

When a substance is heated, what causes its properties to change?

A 52.0 mL volume of 0.25 M HBr is titrated with 0.50 M KOH. Calculate the pH after addition of 26.0 mL of KOH at 25 ∘C.

if a balloon containing 12.2L of gas at 298K is heated so the balloon expands to 17.4L, what is the final temperature if the pressure remains constant?

You place air in a sealed can at stp. ypu triple its absolute temperture (K) while leaveing the volume constant. what happenes to the pressure

A current of 10.4 a is applied to 1.25 l of a solution of 0.552 m hbr converting some of the h + to h2 (g), which bubbles out of solution.

What is a greenhouse gas?

Which statement best describes a mole?

The data below were collected for the following reaction at 500 ∘C: CH3CN (g) →CH3NC (g) Time (h) [CH3CN] (M) 0.0 1.000 5.0 0.794 10.0 0.631 15.0 0.501 20.0 0.398 25.0 0.