General Chemistry Answers

Questions: 24 781

Answers by our Experts: 24 702

Need a fast expert's response?

Submit order

and get a quick answer at the best price

for any assignment or question with DETAILED EXPLANATIONS!

Search & Filtering

what is the longest wavelength of radiation with enough energy to break carbon-carbon bond?


A sample of oxygen occupies a volume of 45ml at 91 Degrees Celsius. What will be the volume of oxygen when temperature drops at 10 Degrees Celsius


Heptane is burned with 35% excess air. Find the composition of the flue gas if combustion is complete


In what way are the electron configurations of H, Li, Na, K, Rb, and Cs similar?



Choose one or more:

A. They belong to a mathematical progression in atomic number such that Z + 8 describes the next atomic number.

B. They all have an unpaired electron with a spin magnetic quantum number, ms = –1/2.

C. They all have an unpaired electron with a spin magnetic quantum number, ms = +1/2.

D. They all have an unpaired electron with a magnetic quantum number, mℓ = 0.

E. They all have an unpaired electron in an s orbital.

F. They all have an unpaired electron with an angular momentum quantum number, ℓ = 0.



How many grams of NaCl is required prepare 200 mL of a solution of 1 M NaCl (Molar of mass of NaCl=58.44g/mol)?


Imagine two containers.

Container “A” holds N2 gas with a mass of 64.2g and is 2 times the volume of container “B” which holds argon (Ar) gas at the exact same temperature and pressure. What is the mass of the Ar (in g) within container “B”?


What mass of sodium oxide,Na2O will be obtain by burning 11.5g of sodium in air

 relate the properties, bonding and structure of one giant ionic, one giant molecular and one simple molecular substance, to their uses.


1. Using the following data determine the order of reaction and the rate constant. Also define the zero, first and second order reaction with their rate equation and units. 

 

Time (min) [S] (M) 

0 0.5011 

30 0.4511 

60 0.4038 

90 0.3626 

130 0.3148 

180 0.2674


Over the years, the thermite reaction has been used for welding railroad rails, in incendiary bombs, and to ignite solid-fuel rocket motors. The reaction is: Fe2O3 + Al → Fe + Al2O3
If there are 798.2 g of Fe2O3 and 797.5 g of Al
a. Which is the limiting reactant? Which is the excess?
b. How much iron is produced in the reaction?
LATEST TUTORIALS
APPROVED BY CLIENTS