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hammer [34]
3 years ago
12

I need the answer pleaseee

Chemistry
1 answer:
Setler [38]3 years ago
7 0
Solids have a definite,fixed shape.. So option B which is the second checkbox ☑️ is the correct answer... l hope it helped :)
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Help help help.
Whitepunk [10]
I think B
Hope this helps!
4 0
3 years ago
What role does the salt bridge play in a voltaic cell? It allows electrons to flow from the anode to the cathode.It allows migra
Mnenie [13.5K]
The answer is it contains the electrodes. Without the salt scaffold, the arrangement in the anode compartment would turn out to be decidedly charged and the arrangement in the cathode compartment would turn out to be contrarily charged, on account of the charge lopsidedness, the terminal response would rapidly stop. 
It keeps up the stream of electrons from the oxidation half-cell to a decrease half cell, this finishes the circuit.
7 0
4 years ago
A student decreases the temperature of a 556 c m cubed balloon from 278 K to 231 K. Assuming constant pressure, what should the
a_sh-v [17]

Answer:

The new volume of the balloon be 462\ cm^3.

Explanation:

We have,

Initial volume is 556 cm ³

The temperature of the balloon decreases from 278 K to 231 K.

We need to find the new volume of the balloon if the pressure is constant.

The Charles law states that at constant pressure, the volume of gas is directly proportional to its temperature i.e.

V\propto T, P is constant

\dfrac{V_1}{V_2}=\dfrac{T_1}{T_2}

V_2=\dfrac{V_1T_2}{T_1}\\\\V_2=\dfrac{556\times 231}{278}\\\\V_2=462\ cm^3

So, the new volume of the balloon be 462\ cm^3.

3 0
3 years ago
what is the molarity of a solution that contains 10.0 grams of silver nitrate that has been dissolved in 750 mL of water?
Murljashka [212]

Answer:

C = (m / M) / (V / 1000) = (10 / 170) / (750 / 1000) = 0.078 M

Explanation:

8 0
3 years ago
PLEASE HELP ASAP
Nady [450]

In the so called rain shadow effect we have interaction between all of the four major Earth spheres. When we have a coastal region where there's a high mountain range, the part of the mountain that is facing the sea will differ a lot from the part of the mountain that is on the other side. The water from the sea evaporates. The water vapor makes the air wet. The warm and wet air masses from the sea will come to the coastline, once they reach the mountain they will start to accumulate as they can not pass through it. As they accumulate rainfall appears. The rainfall contributes to a lush vegetation on this side of the mountain (windward side). The rain shadow effect appears on the leeward side of the mountain, and it mostly gets dry, strong, downward winds. These conditions result in drier climate, much less vegetation, and much increased erosion. Thus we can easily see that we have in this case interaction between the hydrosphere (the sea and the rainfall), the geosphere (the ground, soil, rocks), biosphere (the vegetation), and atmosphere (the winds, the clouds).

7 0
4 years ago
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