If the volume of a gas is cut in half without changing the temperature what happens to the pressure?

a) pressure decreases by half

b) pressure increases four fold

c) pressure remains the same

d) pressure is squared

e) pressure doubles

Acids feel slick or soapy and usually have a bitter taste. True or False

What's a certain indicator that a molecule is polar? the molecule has a nonpolar covalent bond and the dipole is cancelled due to symmetrical arrangement of atoms the molecule has a polar covalent bond and the dipole is cancelled due to symmetrical

If all other conditions are held constant when the temperature of a reaction system increases reaction rate A. Increases B. Decreases C. Is not affected by temperature

How is ice-cream melting a physical change?

The ksp of calcium carbonate, caco3, is 3.36 * 10-9 m2. calculate the solubility of this compound in g/l.

How can we tell when something is polar or non-polar in an Inter-molecular Force?

A reaction is most likely to occur when reactant particles collide with

A student has a solution with a pH of 7. The student adds HF, hydrogen floride, to the solution, hoping to increases the pH of the solution. What is wrong with this student's approach? Select one: A. You cannot change the pH of a solution. B.

What is more likely to happen if wetlands are drained?

A) If you weigh a hydrated compound before and after heating it. Do you expect the mass to be more or less than before heating? Explain why. b) How about if you weigh a bag of popcorn before and after heating it.