Answer:
The tundra!
Explanation:
It is the only biome that has an average winter temperature of -26 degrees Celsius, gets 12-20 inches of rain per year, and has grazing caribou!
Hope this helps!
Answer:
Minerals
Explanation:
Minerals are usually defined as naturally occurring inorganic substances, that are comprised of specific chemical composition as well as having a well organized internal structure of atoms.
Different mineral forms under different conditions and under different geological settings. These minerals combine with one another giving rise to the formation of rocks.
They are characterized by the presence of both physical as well as chemical properties.
Example of some minerals includes, Calcite, Fluorite, Quartz, and Feldspar.
Cold air mass and warm air mass
Sodium chloride is made up of sodium and chlorine.
sodium chlorine would form an ionic bond, which is the transfer of electrons
because sodium is in group 1, it has 1 electron on its outermost shell
because chlorine is in group 7, it has 7 electrons on the outermost shell.
sodium and chlorine both want a full outer shell. therefore, sodium and chlorine will form an ionic bond, and sodium will transfer its one electron to chlorine so that it can lose its electron and get a full outer shell, and chlorine can gain an electron and also get a full outer shell. this can be represented using the dot and cross model. as shown in the picture.
but don't forget to add a 1- charge to chlorine with brackets and a 1+ charge to sodium, also with brackets.
hope this helped.. I know it became really long but I didn't really realise it once I was half way.. anyway, if you have any questions just ask :)
The balanced chemical reaction is:
<span>Mg(s) + 2HCl(aq) = MgCl2(aq) + H2(g)
</span>
We are given the amounts of reactants to be used for the reaction. This will be the starting point of the calculations.
36.5 g Mg ( 1 mol / 24.31 g ) = 1.50 mol Mg
2 mol HCl
From the reaction, the mole ratio of the reactants is 1:2. In every 1 mole of magnesium 2 mol of hydrochloric acid is required. Therefore, from the amount supplied the limiting reactant is the hydrochloric acid.