Name the phase change that occurs when a soild turns directly into a gas

A beaker of nitric acid is neutralized with dilute aqueous solution of calcium hydroxide. Write a net ionic equation for this reaction.

Which of the following does a transverse wave have? A) compressions B) amplitude C) rarefactions D) ability to travel through space

A 8.00 L tank at 26.9 C is filled with 5.53 g of dinitrogen difluoride gas and 17.3 g of sulfur hexafluoride gas. You can assume both gases behave as ideal gases under these conditions.

What is the dual nature of electrons

Suppose that you have made a saturated solution of this solute using 56.0 g of water at 20.0 °c. how much more solute can you add if the temperature is increased to 30.0 °c?

If 38.7 grams of lithium chlorate decomposes, how many grams of oxygen gas can be produced?

Balance the following redox equation in acidic solution using the smallest integers possible and select the correct coefficient for the H + (aq) ion.

Toussaint L' ouveeture lead a revolt that eventually resulted in Independence for

If a solution contains 1 x 106 hb molecules, how many o2 binding sites are available? if the solution of hb is 50% saturated with o2, how many binding sites are occupied by o2?

A. what are isotopes? b. how are the isotopes of a particular element alike? c. how are they different?