state the number of electrons in shell of a N-14 atom in electron configuration
in a lab experiment a person adddd
560g of NA, PO to 750g of KOH
what was a balnced chemical equation?
Calculate the mole fraction of the solution in a solution containing 85g ethanol in 500g of
water
Calculate the percent by mass of the solute in 8.6g of salt in 95.0 g of solution
Answer the following questions using the figures shown below.
a. Using IUPAC nomenclature system name alcohols A,B and C
b. Write the chemical equation for the oxidation of alcohols A, B and C, using K2Cr2O7 as the oxidizing agent.
From the partial (valence-level) orbital diagram, write the ground-state electron configuration and group number. 2p 2s
What is the value of Kc for the equilibrium below at 300 K?
$$
1
2
A2
(g)+1
2
B2
(g)AB(g)
What is the limiting reagent of 2.40 g Mg 10.0 g O2
Ethanal, CH3CHO, produces two peaks in the UV spectrum. The peaks are at 180 and
290 nm. By using various type of electronic transition states, identify and explain
about two peaks appeared in the UV spectrum
Give the election configuration and draw the orbital diagram of the ff elements.
1. 3Li
2. 4Be
3. 5B
4. 6C