Avogadros constant has the same value as the number of - Molecules in 1 mol of iodine- Atoms in 1 mol of chlorine gas- Ions in 1 mol of solid potassium bromide- Protons in 1 mole of helium gas
which
Uranium is reacted with fluorine to form a pure compound. This compound is a gas at 57 °C. At that temperature, and a pressure of 1 atm, it has a density of 13.0 g L-1.
What is the molecular formula o
So Im doing a lab report for AP chemistry and I need help to determine a title ... Convert this title to a college level title ..... This is the title : analysis of alum, KAl(SO4)2 12H2O ... What shou
Heres a sample question..
When Na forms an ion it loses its outer electron to become Na+. Draw B-R diagrams for Na and Na+.
So what are B-R diagrams?
Thanks!-B-R diagrams is Bohr-Rutherford diagra
Express each answer to the proper number of significant digits.
a. (149 x 10^6) x (0.21 x 10^3)
My answer: 3.1 x 10^10
b. (0.371 x 10^14) / (2 x 10^4)
My answer: 2 x 10^11
c. (6 x 10^6) x (6 x 10
Suppose your truck gets 19.7 miles/gallon and the fuel tank holds 68.4 liters of gasoline (1 liter= 0.26 gallons). Could you drive a distance of 322 miles, without stopping for gas?
Please help I don
A college has 517 female and 727 male students enrolled. What percentage of the student body population are women?-total student = 517 + 727 = 1244
% of female = (517 /1244 ) *100= 41.56 %
Express each answer to the proper decimal place.
(0.61 x 10^-6) + (0.11 x 10^-4) + (0.0232 x 10^-3)
My answer: 3.5 x 10^-5
Is my answer correct?-(0.61 x 10^-6) + (0.11 x 10^-4) + (0.0232 x 10^-3)
1
I found this old telescope and found crusty white stuff on the batteries, i think it was battery acid becausei accidentally touched some and now my thumb is burning.I think i accidentally swallowed a
How do you find the oxidation numbers for the following?:
1. Fe in FeO
2. As in AsO4^3-
3. P in H3PO4
4. C in H2C2O4
Im not sure how to solve these, any help would be greatly appreciated. :)-We know
Consider the reaction of 33.5g of hydrazine (N2H4) with 30.3g of hydrogen peroxide (H2O2).
Heres the equation:
N2H4+2H2O2 ----------> N2+4H2O
Questions:
A. How many grams of H2O maybe produced
all nitrogens have the atomic# 7 ...
which tells us that it has 7 protons, at 1 amu each
that combined with 7 neutrons, at 1 amu each
your answer is that the atom has a mass of 14 amu
p.s. it has a
I was wondering why NO is named nitric oxide and not hyponitrite. For instance, the name of ClO is hypochlorite not chloric oxide.-NO is a neutral molecule, not a polyatomic ion, and is called nitroge
Express each answer to the proper number of significant figures.
(0.06000x10^18) x (84,921x10^-9)
My answer: 5.0953 x 10^12
Is my answer correct?-http://www.khanacademy.org/video/pure-nu… Good luck
