Chemistry Answers

What is the (a) H+ ion concentration, (b) pH, (c) OH- ion concentration and (d) pOH of a 0.001 M solution of NaOH?

How can silver get dirty without being used and how to clean

How many grams of Sodium hydroxide would you need to make 1L of  a 2M solution ?

what is volume of a 0.62 mol sample of gas at 10.6 and a pressure of 1.05

(H3O+) = 1.9x10%-3

1. Why is the word capacitance sometimes called a “misnomer”?

2. We sayu that power is “dissipated” in a resistor. To dissipate is to use, or to waste, or to squander. What is “used” when charge flows through a resistor?

3. When demand for electric power is high, power companies sometimes reduce the voltage, thereby producing a “btrown –out”. What is being saved?

What is the percent by mass of O in the compound C6H12O6

Classify (name) the product when the ‘oxime’ used in Beckmann rearrangement reaction is derived either from ‘ketones’ or from ‘aldehydes’, individually. b) What is the role of nitrobenzene in the skraup synthesis of quinoline

A sample of french fried potatoes weighing 100.0 g was extracted with the volatile

organic solvent hexane. After separation and evaporation of the hexane, 6.25 g of

cooking oil was recovered.

One stereoisomer of 1,4 dibromocyclohexane has a melting point of 113 oC, the other isomer melts below 0 oC. Draw both structure and assign melting points to the structures. Justify your choice