Nical Equation

Identify each part of this chemical equation, which

describes the breakdown of water into hydrogen and

oxygen.

D

A (the entire green box):

B (the blue box):

C (the arrow):

D (the purple box) :

Which of the following best describes solids? A. Solids are low in density and compressible. B. Solids are high in density and compressible. C. Solids are low in density and incompressible. D. Solids are high in density and incompressible.

The total pressure inside a vessel containing a mixture of neon, argon, and helium gases is 750 kPa. The partial pressure of neon is 230 kPa, and the partial pressure of argon is 250 kPa. What is the partial pressure of helium?

How temperature can affect the speed of reaction.

What is the correct balanced equation for the following: aluminum + copper (II) sulfite - > copper + aluminum sulfite (A) 2A + 3CuSO2 - > Cu + Al (SO) 2 (B) 2A1 + 3CuSO4 - > 3Cu + Al2 (SO4) 3 (C) Al + CuSO3 - > Cu + AISO3 (D) 2A1 + 3CuSO3 - > 3Cu +

In the energy diagram, which number represents the potential energy of the products? (1) (2) (3) (4)

Modern scientists use a version of the metric system called

Which element has a larger ionic radius than calcium? a. sodium b. gallium c. magnesium d. potassium

Which solution contains the largest number of moles of chloride ions? a. 30.00 ml of 0.100m cacl2 b. 10.0 ml of 0.500m bacl2 c. 25.00 ml of 0.400m kcl d. 4.00 ml of 1.000m nacl e. 7.50 ml of 0.500m fecl3?

What is the chemical formula of titanium (II)

Not related to any subject but how do you tell someone you like them?