Answer: Ag, Zn, Pd. (Ag is has the highest conductivity and Pd has the lowest conductivity).
Explanation:
The correct answer is not among the options given.
You must look up the electrical conductivity of these metals in a table of metal properties.
The values that you can find are:
- Ag: 62.1 × 10⁶ Siemmens / m
- Zn: 16.6 × 10⁶ Siemmens / m
- Pd: 9.5 × 10⁶ Siemmens / m
So in order of decreasing conductivity the list is Ag > Zn > Pd.
Answer:
a lipid molecule that contains at least one carbohydrate unit
Explanation:
A glycolipid -
It refers to the lipid which consists of the carbohyde group attached via a glycosidic bond , which are basically covalent bonds , is referred to as a glycolipid .
They are present on the surface of the eukaryotic cell membranes .
Glycolipids are important to connect from one tissue to another and facilitate cellular recognition .
Hence , from the given information of the question ,
The correct answer is a lipid molecule that contains at least one carbohydrate unit .
Answer:
<h2>The answer is 334 g</h2>
Explanation:
The mass of a substance when given the density and volume can be found by using the formula
<h3>mass = Density × volume</h3>
From the question
volume of ethanol = 423 cm³
density = 0.789 g/cm³
So we have
mass = 0.789 × 423 = 333.747
We have the final answer as
<h3>334 g</h3>
Hope this helps you
Answer:
We normally separate unreacted hydrogen from ammonia (product) in Haber process. The reaction mixture contains some ammonia, plus a lot of unreacted hydrogen and nitrogen. The mixture is cooled and compressed, causing the ammonia gas to condense into a liquid.
Answer:
Proust concluded that the elements in a chemical compound always present in the same ratio by mass.
Explanation:
In English, this finding became known as the Law of Definite Proportions.
For example, a 100 g sample of copper(II) sulfide always contains 66.46 g of copper and 33.54 g of sulfur.
The mass ratio in CuS is
Cu/S = 66.46/33.54 = 1.982/1