Un-Answered Questions { Chemistry }

Describe your field experience sample type collected,sample techniques,field measurements taken and equipment used?

2269


What modification is required for the atomic theory in order to explain the existence of isotopes, and modern view of atomic nuclei and electrons?

1817


What are common snowflake shapes?

2048


Why does the experimental lattice enthalpy of NaI differ greatly from the theoretical lattice enthalpy?

2944


How to accelerate electron capture decay?

1845


The use of vermilion on rubric of the Tartar Relation is confirmed by the presence of three lines attributed to HgS. Why should this diatomic have more than one vibrational line?

2176


How many moles of sodium hydrogen phosphate can be prepared from 3 mol of sodium hydroxide and phosphoric acid?

1899


Give lewis dot structure for HBrO4?

9261


How Many grams of solid iodine are produced by the decomposition of 25.4g of hydrogen iodine gas?

2370


why do antimony and bismuth have the same electron affinities?

1935


How a balanced equation can be used to find the mass or volume of an unknown quantity in a stoichiometry?

2017


What are acounting Pi electron's?

1856


What is a proteic unit?

2227


What is a repartition coefficient?

1886


How to synthesize methylene bisthiocyanate using CH2Cl2 and NaSCN?

2432