Is the answer 342g?Im wondering if I am doing this correctly. Also....how many moles/liter are present in a 2 molal solution of HCl?Im guessing its not quite as simple as 2 moles/1L. Could someone con
Sc? since its mass is 44.95
or Ca has 4 more....
Please show work if you could? I do chose best answer :P sorry if its too hard its university stuff..-this has 20 protons and 24 neutrons
Which elemen
Without the use of a periodic table.
use aluminium as an example.
more if possible-Familiarise yourself with the properties...
If you roughly know the atomic number of each, you could see how many el
(sterling silver is a silver-copper alloy containing 92.5% Ag by mass)
My best guess is 31.0245 but i still would like some help and please (if you could) show work! if not then its alright-multiply
According to the following reaction:
SiF_4 (s) + 2 H_2O (l)-------->4 HF (aq) + SiO_2 (s)
What would you multiply moles of silicon tetrafluoride by to convert to the units moles of silicon dioxide
Small helium-neon lasers emit 3.49mJ/s of light at 634nm. How many photons does such a laser emit in one minute. Any help in solving this question is greatly appreciated :)
Im not too sure what formu
1. Suppose a patient is given a certain amount of iodine -131 as part of a diagnostic procedure for a thyroid disorder. Iodine -131 undergoes first order radioactive decay. Given that the half-life of
(4.0x10^5) x (3.0x10^3)
(8.9x10^5) / (3.0x10^3
Can you guys please show the work and explain what you did please. Thanks guys.-Basically, if you have a scientific calculator itll solve it for you.
Could someone help me go through this? Im really confused...you dont have to give me the answer, I just want to know where to start...its so weird.
A certain alcohol contains only three elements, carb
By past tense 3rd person I mean like, 200mL of water was poured into a 250mL beaker and placed on hot plate for X minutes. I know theres another name for that tense, I just dont know what it is. Anywa
American native
Stomach-less male
To mend torn clothing
What do you do with barbells
What to do with the dead
To endure an ordeal
A very funny prisoner
To grab a guy
Mollys blue jeans
The bottom surfa
i thought only transition elements have multiple oxidation states? like calcium only shows +2 which is in the same period as tin and also not a transition metal.-Period is not an indicator of ox st.
G
Water has no taste, so how come ice does have?-Pure ice does not have any taste..
The taste of ice is actually the taste of foreign contaminants in the air that is trapped in the ice.
Carbon dioxide
Im actually quite confused about this one, does it even have a boiling point??
and there are different types of fossil fuel.... so im not really sure,,,
it can be any kind of boiling point,,, jst any
for an acid base reaction what is the reacting species the ion or molecule that appears in the chemical equation in the following bases?
A) perchloric acid
B) hydriodic acid
C) nitrous acid
D) nit