The electrons of an atom are negatively charged and located inside the nucleus. positively charged and located inside the nucleus. negatively charged and located outside the nucleus. positively charged and located outside the nucleus.

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.