Inorganic Chemistry Answers

Two sealed flasks with the same volume are left side by side. Flask A contains 4.0 × 10−3 mol of methane.
Flask B contains 340 mg of a different gas.
Both gases are at the same temperature and pressure. Which gas could be in Flask B?

What is the mass, in mg, of carbon formed when 3.0 × 10−3 mol of propene undergoes incomplete combustion?
2C3H6 + 3O2 ⟶ 6C + 6H2O

Analysis of a sample of a chemical with formula C22H30N6O4S, showed that it contained 0.0195 mol of carbon.
What mass of nitrogen was present in the sample?

If 1.0 mol of helium gas at standard temperature and pressure has a volume of 22.4L, how many moles of carbon tetrachloride gas will be present in a container with volume 22.4L?

A compound is formed by two elements A and B.Atoms of element B ( as anions) make ccp and those of element A (as Cations) occupies all the octahedral voids and half of the tetrahedral voids. What is the formula of the compound? *

A 89,6g sample of Fe(s) is mixed with 33,6 dm^3 of oxygen gas at STP

a brown liquid, a is obtained by heating anhydrous pb(nox), and passing the gaseous products obtained through an ice cooled u-tube. compound a is paramagnetic and it turns paler upon further cooling to eventually become a colorless solid b which is diamagnetic. compound a reacts with a colorless/odorless poisonous gas c to produce a mixture of gaseous compounds d and e. on passing compound d. time water turns milky white, compound e is paramagnetic and react with fecl2 in aqueous medium to form a brown complex. identify compound a-e and write the reactions involved

Construct the Lewis structure model for the cabalmente compound sulfur diflouride (SF2) using the following steps

The initial concentration of reactant in a first-order reaction is 0.27 M. The rate constant for the reaction is 0.75 s−1. What is the concentration (in mol/L) of reactant after 1.5 seconds?

what are hygroscopic