A compound is 54.53 % C , 9.15 % H , and 36.32 % O by mass.

Question A compound is 54.53 % C , 9.15 % H , and 36.32 % O by mass. What is its empirical formula? Insert subscripts as needed. The molecular mass of the compound is 132 amu. What is its molecular formula? Insert subscripts as needed. Answer Divide the percent mass by the atomic mall of each element to have … Read more

What is the value of K for this aqueous reaction at 298 K?

Question What is the value of K for this aqueous reaction at 298 K? A + B <—–> C + D   Delta G = 26.81 kJ/mol Answer ∆G = -RT lnKK = e-∆G/RT∆G/RT = 26.81kJ/mol/(0.008314 kJ/mol-K)(298K) = 10.82K = e-10.82K = 2×10-5 Answered by JRS who is a Ph.D University Professor with 10+ years.

How many σ and π bonds are present in a molecule of cumulene?

Question How many σ and π bonds are present in a molecule of cumulene? Answer 1 A hydrocarbon with three or more consecutive (cumulative) double bonds is known as a cumulene. They are analogous to allenes, only exhibiting a more elongated chain. The basic molecule in this category is butatriene, which is also simply known … Read more

Complete the tables of value for four aqueous solutions at 25 Celsius

Question Complete the tables of value for four aqueous solutions at 25 celsius. Answer 1 (Expert Verified) There are a total of four parameters you need to know to determine the pH of the solution. The pH and the pOH are negative logarithms of the concentrations of the ions H+ and OH-, respectively. These ions … Read more

How many lone pairs are on the central atom in bcl3?

Question How many lone pairs are on the central atom in bcl3? Express your answer numerically as an integer? Answer There are no lone pairs on the central atom. If we draw the lewis structure, we can see that all Cl atoms are all connected to the B atom. Now Cl atoms has 7 electrons … Read more

Classify each of the following substances: CO2, BF3, CO, O2, CH4

Question Classify each of the following substances:CO2, BF3, CO, O2, CH4 a) Lewis Acidb) Lewis Basec) Can act as either a Lewis Acid or Lewis Based) Neither a Lewis Acid or Lewis Base Answer Explanation: Carbon dioxide is a polar molecule whose positive center is on the carbon atom: This positive center is able to … Read more