Questions Answered

superhuman6:
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 7 months ago
 7 replies
 3 Medals

Gabol:
Hello everyone! Is there any substantial link between inorganic and organic chemistry?
 updated 5 months ago
 2 replies
 No Medals Yet

PawsUp96:
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 11 months ago
 1 reply
 No Medals Yet

armstrongnyoni:
please, what are the evidences in support of hybridization?
 updated 11 months ago
 3 replies
 1 Medal

cdog15:
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:
What is the ground state electron configuration for Zn 2+
…
 updated one year ago
 3 replies
 1 Medal

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

peanutman:
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
 No Medals Yet

A_B:
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
 No Medals Yet

abbie1:
.
 updated one year ago
 9 replies
 No Medals Yet

savbag:
find the D domain and R range;
f(X):= X^3+2X^2+5X6
 updated one year ago
 2 replies
 No Medals Yet

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

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

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

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

Brooke2013:
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:
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:
for a lewis structure of iodine and bromine, are there 7 valence electrons for each one?
 updated one year ago
 1 reply
 No Medals Yet

way2smart:
Why is carbon trioxide an unstable molecule?
 updated one year ago
 2 replies
 No Medals Yet

salsgiver:
Complete the chart. (Remember to enter a "0" if necessary.)
Atomic Number: 19
…
 updated one year ago
 2 replies
 No Medals Yet

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

laurenusman:
Calculate the energy of the IF bond. Express your answer in units of kJ/mol.
…
 updated one year ago
 1 reply
 No Medals Yet

Lizzie2714:
Which compound would you expect to have the highest melting point?
 updated one year ago
 2 replies
 No Medals Yet

A_B:
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