Questions Answered

superhuman6:
Group Title
which one of the following describe chemical properties? check all that apply
water freezes at 0 degrees C
sugar burns in air to form wat…
 updated one year ago
 7 replies
 3 Medals

Gabol:
Group Title
Hello everyone! Is there any substantial link between inorganic and organic chemistry?
 updated one year ago
 2 replies
 No Medals Yet

PawsUp96:
Group Title
Lead (Pb) is less active than zinc (Zn), but more active than copper (Cu). Predict if lead metal would react in the following solutions:
Z…
 updated one year ago
 1 reply
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armstrongnyoni:
Group Title
please, what are the evidences in support of hybridization?
 updated one year ago
 3 replies
 1 Medal

cdog15:
Group Title
In the nucleus of an atom, there are 18 protons and 20 neutrons. What are the atomic number and mass number of this isotope? (2 points)
 updated one year ago
 2 replies
 1 Medal

davidesm:
Group Title
What is the ground state electron configuration for Zn 2+
…
 updated one year ago
 3 replies
 1 Medal

jahvoan:
Group Title
H3AsO4 + H2S → H3AsO3 + S + H2O what are the reducing and oxidizibg agents?
 updated one year ago
 1 reply
 1 Medal

peanutman:
Group Title
0.778g of one of the halogen was found to occupy a volume of 122 mL at a pressure of 99.8 kPa and a Temperature of 26 C. Which halogen was i…
 updated one year ago
 14 replies
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A_B:
Group Title
For the new compound ICl2F+2: Calculate the maximum wavelength of electromagnetic radiation that is capable of breaking the weakest bond. Ex…
 updated one year ago
 6 replies
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abbie1:
Group Title
.
 updated one year ago
 9 replies
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savbag:
Group Title
find the D domain and R range;
f(X):= X^3+2X^2+5X6
 updated one year ago
 2 replies
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seansuess:
Group Title
When heated, KClO3 decomposes into KCl and O2.If this reaction produced 52.3 g of KCl, how much O2 was produced
 updated one year ago
 3 replies
 2 Medals

Jordan15:
Group Title
Evaluate: 5(6 − 3) − 1 • 6
…
 updated one year ago
 3 replies
 1 Medal

andjie:
Group Title
New question!
…
 updated one year ago
 11 replies
 1 Medal

lildancermjk:
Group Title
solve 2cos^2x5cosx+2=0 for the principal values of x.
a)60
b)60 and 300
…
 updated one year ago
 6 replies
 1 Medal

andjie:
Group Title
decimal notation?
1.86*10^3 =
this is what I got can someone help me understand
…
 updated one year ago
 2 replies
 1 Medal

iheartfood:
Group Title
Rewrite the following expression as a single logarithm:
(will be attached!!)
 updated one year ago
 11 replies
 1 Medal

iheartfood:
Group Title
Which of the following are true statements?
***Choose ALL that apply!!!
…
 updated one year ago
 5 replies
 2 Medals

Brooke2013:
Group Title
Let f(x) = 4 + 5x and g(x) = 2x  1. Find f(g(x)) and g(f(x))
Choices:)
A.) f(g(x)) = 10x  1; g(f(x)) = 10x + 7
…
 updated one year ago
 3 replies
 1 Medal

Brownyies:
Group Title
Which of the following is a balanced chemical equation for the synthesis of NaBr from Na and Br2?
Na + Br2 > NaBr
2Na + Br2 > NaBr
…
 updated one year ago
 2 replies
 2 Medals

alvarezangie:
Group Title
for a lewis structure of iodine and bromine, are there 7 valence electrons for each one?
 updated one year ago
 1 reply
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way2smart:
Group Title
Why is carbon trioxide an unstable molecule?
 updated one year ago
 2 replies
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salsgiver:
Group Title
Complete the chart. (Remember to enter a "0" if necessary.)
Atomic Number: 19
…
 updated one year ago
 2 replies
 No Medals Yet

zak:
Group Title
why not any reaction gives 100% yield?
 updated one year ago
 4 replies
 1 Medal

laurenusman:
Group Title
Calculate the energy of the IF bond. Express your answer in units of kJ/mol.
…
 updated one year ago
 1 reply
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Lizzie2714:
Group Title
Which compound would you expect to have the highest melting point?
 updated one year ago
 2 replies
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A_B:
Group Title
How do I calculate the % ionic character of the IF bond? I know the formula given in the lectures, but I cant get an answer...seems dumb, b…
 updated one year ago
 9 replies
 No Medals Yet