Other Chemistry Answers

An electron is in one of 3d orbitals. Give possible values of n, l and ml for this electron.

A compound has the forumula M3N Where M is a metal element and N is nitrogen. It contains 0.673 g of N per gram of M. Determine the relative atomic mass of of M and thus its identity.

The space shuttle burns liquid hydrogen and oxygen in the main engine. If 102000 kg of liquid hydrogen is carried on particular launch. What mass of liquid oxygen is necessary for all the hydrogen burnt??
2H2(g) + O2(g)------> 2H2O

If you have 48.00g of K2CrO4, what volume of 0.1500 M BaCl2 solution is needed to completely react with all the K2CrO4?

Calculate the energy in calories required to change 40.0g of water by 12 degrees Celsius

i. 10 g of sugar added to 100 g of coffee
ii. 10 g of sugar added to 200 g of coffee
iii. 4 g of sugar added to 200 g of coffee
iv. 4 g of sugar added to 100 g of coffee

Based on the amount of sugar added, which sequence ranks the coffee from the sweetest coffee to the least-sweet coffee?
i, ii , iii, iv
iii, iv, ii, i
iv, i, ii, iii
i, ii, iv, iii

the volume of the nucleus of a carbon atom is about 9.9 x 10^-39 mL. The molar mass is 12,00 g mol^ -1. What is the density of the carbon nucleus?

Write down Born-Haber cycle for the BaO crystal formation. Using it, obtain an equation useful in calculating lattice energy of BaO crystal.

Calculate the molecular formula of a compound that contains 34.5 g of carbon and 5.76 of hydrogen and has a molecular weight of 56.

Descrbe the process of biosynthesis of fatty acid catalysed by fatty acid synthase.