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ratelena [41]
3 years ago
9

Which equation represents sublimation? 2Al+3I=2AlI HgCl=HgCl

Chemistry
1 answer:
AlexFokin [52]3 years ago
4 0
I guess it is the second one but you missed the state symbols.
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True or false, The universal gas constant, R, is . 0821 when we use mm Hg as our unit for pressure
ludmilkaskok [199]

Answer:

This is true.

Explanation:

R should be 0.0821

Good luck!

5 0
3 years ago
The ________ molecules which form the bilayer region of the cell membrane have hydrophilic regions on the outer surface and hydr
Goshia [24]

Answer:

The answer is: phospholipid molecules

Explanation:

The plasma membrane of a cell is consists of a lipid bilayer. This lipid bilayer, also known as the phospholipid bilayer, is a polar membrane composed of two layers of lipid molecules, usually amphipathic phospholipid molecules.

The amphipathic phospholipid molecules have a hydrophilic phosphate head on the exterior and a hydrophobic tail consisting of fatty acid chain on the interior of the membrane.

8 0
3 years ago
if during the interaction of 36.5 g of hydrochloric acid with magnesium 137 kg of joules energy are released, how much energy wo
svetoff [14.1K]

Explanation:

ANSWER

The molarity =

molecularweight

density×purity×10

=

36.5

1.18×36.5×10

=11.8molar

7 0
3 years ago
The equation for the formation of ammonia from nitrogen and hydrogen is shown below. What is the formula for the equilibrium con
WINSTONCH [101]

First, make sure to balance your equation.

3H2(g) + N2(g) ⇄ 2NH3(g)

Now, you can write your Kc expression. Remember that Kc is products over reactants, and the exponent for each product or reactant is based on its coefficient.

Kc = [NH3]^2 / [H2]^3[N2]

5 0
3 years ago
Why is Anton Von Leeuwenhoek important in the cell theory?​
vesna_86 [32]

Answer:

He was the first scientist to observe and describe bacteria and protozoa by looking at a drop of water from a pound under a microscope. He also was the one to build the first compound microscope.

Hope this helps :)

4 0
3 years ago
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