How do elements form?

A 100.00 ml of volume of 0.500 M HCl was mixed with 100.00 ml of 0.500 M KOH in a constant pressure calorimeter. The initial temperature of individual acid and base was 23.0 oC. The final temperature after mixing was 25.5 oC.

How does a network solid differ from most other covalent compounds

For diffusion to occur, which condition must be met? A) A concentration gradient must exist. B) A hypotonic external environment is required. C) A hypertonic external environment is required. D) Dynamic equilibrium must exist.

If I cut the height of an object in half, what will happen to its GPE? A. Not enough info B. Double C. Disappear D. Halve

Which is a characteristic of a decomposition reaction? Substance P replaces X in the compound XY. Substance XYZ breaks down into X, Y, and Z. Substance Z burns in the presence of oxygen to form ZO. Substance X combines with Y to form compound XY.

What factors can make atoms unstable

Nitrogen (N), oxygen (O), chlorine (Cl), neon (Ne), and argon (Ar) are all elements that occur as a gas at room temperature (20°C). Using the periodic table, which pair of gases has the most similar properties?

what will be the new volume of a 250mL sample of gas at 300 k and 1 atm if heated to 350 k at 1 atm law use:

Which statement describes the chemical property of oxygen

The reaction CH3NC? CH3CN is called an isomerization reaction andinvolves the breaking of a C-N bond and subsequent formation of a C-C bond-the reactant andproduct have the same molecular formulas and so are isomers.