Questions and answers by

Rucha

Questions (14)

You are given a colored solution that is labeled 1M. You need to prepare a solution from this that is 0.5 M. Describe your
1. 2 answers
2. 921 views
Evaluate using long division.The integral of x/6x-5 dx How do I divide this?
1. 0 answers
2. 479 views
How do I know the order of placing dots on the lewis structure?Please give an example.
1. 1 answer
2. 422 views
Partial fractions of(2x^2 +8x+24)/(x+2)^2 (x^2 +4) I see a repeated quadratic and an irreducible quadratic..
1. 1 answer
2. 421 views
Calculate the mass of Fe(OH)3 s) produced by mixing 50.0 mL of 0.153 M KOH (aq) and 25.0 mL of 0.255 M Fe(NO3)3 (aq), and the
1. 1 answer
2. 863 views
Assign oxidation numbers for the following chemical equation:2Al + 3H2SO4 ---> Al2(SO4)3 +3 H2 What was oxidized? What was
1. 1 answer
2. 2,504 views
Which is easier to remove an electron from, N or O? Why?Is it O? Which is easier to remove an electron from, B or Be? Why? Is it
1. 1 answer
2. 379 views
Which element's 4+ ion would have the following electron configuration?[Kr]4d^10
1. 1 answer
2. 3,970 views
What is the effective nuclear charge of the following?F- Na+ I know that for F- it is 9-7=2 and for Na+ it is 11-2=9, but what
1. 1 answer
2. 755 views
Use Coulomb's law to calculate the ionization energy in kJ/mol of an atom composed of a proton and an electron separated by
1. 0 answers
2. 636 views
Use Coulomb's law to calculate the ionization energy in kJ/mol of an atom composed of a proton and an electron separated by
1. 0 answers
2. 840 views
How do you integrate2x^5 • e^x^2 ? I would say that this cannot be evaluated because the answer is more complicated than the
1. 1 answer
2. 363 views
Find the volume of the solid obtained by rotating the region under the graph of f(x)= 9-x^2 for 0<= x<=3 about the vertical axis
1. 1 answer
2. 1,467 views
Find the area of the region between the graphs of f(x)=3x+8 and g(x)=x^2 +2x+2 over [0,2].My answer: 34/3
1. 1 answer
2. 513 views