Chemistry Answers

A solution of hydrochloric acid in water is 60.0% HCl and 40% water, H2O, by weight. The solution has a density of 1.19 g/mL. What is the

a. molarity of hydrochloric acid (with water as the solvent)?

1. Show the structural formulae for the main product of each of the following

addition reactions between various

e) 2-Methylbut-2-ene and hydrogen iodide

f) But-1-ene and hydrogen bromide where everything is pure

g) but-1-ene and hydrogen bromide in the presence of oxygen or

organic peroxides and a hydrogen halide.

In functional group, how can you distinguish between hexylamine (C6H13NH2) and aniline? Like, is there a type of test that should be used to differentiate them ?

An isolated system is divided into 2 parts by a rigid, impermeable, thermally conducting wall. Let heat q1 flow into part 1. Use the first law to show that the heat flow for part 2 must be q2 = - q1

What is the strength of the ionic interactions between an ion with 2 positive charges and an ion with 1 negative charges, when the distance between them is 15.5 nanometers and the solvent is benzene, with a dielectric constant of 4.6?

there are 1.699E22 atoms in 1.000 g of chlorine. Assume that chlorine atoms are spheres of radius 0.99 Å (Angstrom) and that they are lined up side by side. How many miles in length is the line of chlorine atoms? *

Pb(NO3)2 + 2 NaI = PbI2 + 2 NaNO3

6.Suppose in the reaction in which 100 grams of lead(II) nitrate were all used up and only 100 grams of lead(II)iodide were obtained in the experiment, what is the percent yield?

7.How many grams of the product were formed in no. 6 if the percent yield is 80%?

Pb(NO₃)₂ + 2 NaI = PbI₂ + 2 NaNO₃ 

Suppose in the reaction in which 100 grams of lead(II) nitrate were all used up and only 100 grams of lead(II)iodide were obtained in the experiment, what is the percent yield? 

Pb(NO₃)₂ + 2 NaI à PbI₂ + 2 NaNO₃ 

If 100 grams of lead (II) nitrate were used in the reaction, how many grams of sodium iodide were used for a complete reaction? 

Pb(NO₃)₂ + 2 NaI = PbI₂ + 2 NaNO₃

How many moles of lead (II) iodide were produced when 5 moles of lead (II)nitrate were used in the reaction?