How the ph values can be used to compare the strength of hydrochloric acid and ethanoic acid?

Which statement best describes the direction of heat flow by conduction between two samples of the same material? Heat flows from faster molecules to slower molecules when they are near.

Write a balanced chemical equation describing the oxidation of Cl2 gas by Cu3 + to form chlorate ion (ClO3-) and Cu2 + in an acidic aqueous solution.

How many Fe atoms are within a single FeCl2 molecule

Consider the steps in coal gasification: C (coal) + H2O (g) → CO (g) + H2 (g) ΔH°rxn = 129.7 kJ CO (g) + H2O (g) → CO2 (g) + H2 (g) ΔH°rxn = - 41 kJ CO (g) + 3H2 (g) → CH4 (g) + H2O (g) ΔH°rxn =

1 The states that mass cannot be created or destroyed.

Given the balanced equation representing a reaction: 4Al (s) + 3O2 (g) - - >2Al2O3 (s) Which type of chemical reaction is represented by this equation? (1) double replacement (2) single replacement (3) substitution (4) synthesis

A helium balloon has a volume of 735 mL when it is at ground level. The balloon is transported to an elevation of 5km, where the pressure is only 0.8atm. At this altitude the gas occupies a volume of 1286mL.

If a mixture contains 75% of one compound and 25% of its enantiomer what is the e. e

White light, which consists of all frequencies, forms which type of spectrum?

Identify each statement as true or false. Rewrite false statements to make them correct. Sedimentary rock can be formed from changes in igneous rock, but igneous rock cannot be formed from changes in sedimentary rock.