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saveliy_v [14]
3 years ago
8

What is the difference between a local breeze and a prevailing wind?

Chemistry
1 answer:
erica [24]3 years ago
8 0

Local winds are mall scale convective winds of local origin caused by temperature differences. Prevailing winds are winds that blow predominantly from a single general  direction over a particular point on the Earth’s surface.

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Tris has a molecular weight of 121 g/mol. How many grams of Tris would you need to make 100 mL of a 100 mM solution of Tris
Zepler [3.9K]

Answer:

1.21 g of Tris

Explanation:

Our solution if made of a solute named Tris

Molecular weight of Tris is 121 g/mol

[Tris] = 100 mM

This is the concentration of solution:

(100 mmoles of Tris in 1 mL of solution) . 1000

Notice that mM = M . 1000  We convert from mM to M

100 mM . 1 M / 1000 mM = 0.1 M

M = molarity (moles of solute in 1 L of solution, or mmoles of solute in 1 mL of solution). Let's determine the mmoles of Tris

0.1 M = mmoles of Tris / 100 mL

mmoles of Tris = 100 mL . 0.1 M → 10 mmoles

We convert mmoles to moles → 10 mmol . 1mol / 1000mmoles = 0.010 mol

And now we determine the mass of solute, by molecular weight

0.010 mol . 121 g /mol = 1.21 g

8 0
3 years ago
If Beryllium were to lose a proton, it would become a(n)
castortr0y [4]

Answer:

an anion

Explanation:

since it lost a proton..it now has 3 protons and four electrons and possesses a minus charge since it is no longer neutrally charged..this minus charge makes it an anion

6 0
3 years ago
What does the mass of an object depend on?
Dmitriy789 [7]

Answer:

the mass of an object depends on inertia greater is the inertia greater will be the mass or vice versa

Explanation:

hope it help ^_^

6 0
3 years ago
Why check dams can increase the groundwaater level in a region
valkas [14]

Check dams shouldn't be more than 2-3 feet high. The center of it should be at least six inches lower than the edges. They might kill grass linings in channels if water stays high or sediment load is great. That criteria induces a weir effect, which makes water surface levels go upstream for some, if not all flow conditions.
Hope this helps! :)
8 0
4 years ago
A compound formed in solution from the negative ion of an acid and the positive ion of a base is a _____.
kondaur [170]

Answer:

SALT.

Explanation:

That is a salt.

For example if we react sodium oxide with hydrochloric acid:

Na+ + Cl- ---> NaCl.

7 0
4 years ago
Read 2 more answers
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