Answer:Answer:
5.8
×
N
A
, where
N
A
=
Avogadro's Number,
6.022
×
10
23
⋅
m
o
l
−
1
Explanation:
And
5.8
⋅
m
o
l
×
6.022
×
10
23
⋅
m
o
l
−
1
=
?
?
What is the mass of this quantity of lithium atoms? Hint, 1 mole has a mass of
6.94
⋅
g
.
Explanation:
i hope this helps
or eat. But it's important for getting the right amount of air into the lungs.
Which answer choice BEST supports the idea that intubation is a necessary part of ventilator treatment?
(A) But when the lungs fill up with fluid or become highly inflamed, the lungs can't expand enough, Lutchen
says.
(B) This actively pushes air into the lungs and can keep the levels of oxygen and carbon dioxide in the
blood close to normal.
(C) If the ventilator simply blew into a person's mouth, the air might expand their cheeks or leak out of their
noes instead of going into the lungs, he says.
(D) When the lungs are damaged, the millions of balloons take in oxygen and release carbon dioxide
differently than when they are healthy, he says.
Answer:
It may be required when respiratory distress or airway integrity cannot be achieved or maintained for any reason.
(B) This actively pushes air into the lungs and can keep the levels of oxygen and carbon dioxide in the
blood close to normal.
Explanation:
The empirical formula tells the proportion of atoms or elements which are
present in a compound and not the exact number of atoms.
The molecular formula tells the exact number of atoms or molecules present
in a compound. An example is H₂0 which tells us that Hydrogen has two
atoms and oxygen has one.
Empirical formula talks about the proportion or ratio in which the molecules
are represented in the compound. This is however the major difference
between the both of them.
Read more on brainly.com/question/14401442
Answer:
Molecular formulas indicate how many atoms there are of each element in a compound, while empirical formulas indicate the reduced proportion of elements in a given compound. The molecular formula can be achieved through the empirical formula if the molecular weight of the compound is known, therefore the empirical formula alone cannot be used to obtain the molecular formula.
Explanation:
An empirical formula expresses the relative relationships of the different atoms in a given compound. For example, H2O is made up of two hydrogen atoms and 1 oxygen atom. In the same way, 1.0 mol of H2O is made up of 2.0 mol of hydrogen and 1.0 mol of oxygen. .
The molecular formula for a compound is always the empirical formula. The molecular formula can be obtained from the empirical formula if the molecular weight of the compound is known.
The density would be the same for the whole bar as well as one half of the bar. Density is a identity I believe, by this I mean that it stays the same no matter how little or how much of the same substance you have. Since density = mass / volume, half the bar has half of the weight as well as half of the volume of the whole bar, making the density the same.
For example, a block weighs 10 grams and has a volume of 5 ml. the density would be d = 10/5 or, d = 2g/ml
Half of the block weighs 5 grams and has a volume of 2.5 ml. The density is d = 5/2.5, or, d = 2 g/ml.
See, although there are different amounts of the same substance, their density is the same.
Answer:
B. Decreased humus
Explanation:
obelium (No, 102) – Alfred Nobelroentgenium (Rg, 111) – Wilhelm Roentgen (formerly Ununumium)rutherfordium (Rf, 104) – Ernest Rutherford seaborgium (Sg, 106) – Glenn T. Seaborg