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saul85 [17]
3 years ago
10

When ammonium nitrate dissolves in water, the solution becomes cold.

Chemistry
1 answer:
KATRIN_1 [288]3 years ago
4 0

B.

Delta G is negative and Delta S is positive.

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In a closed system, how will a decrease in pressure affect the following reaction: 2A(g) +2B(g) ⇌ 2C(g) + 2D(g)?
DochEvi [55]

As number of gaseous moles in reactant and prodict are same that is 4

So No change will occur

3 0
3 years ago
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How many moles of hcl will react when you start with 1 L of a 0.5 M HCl aqueous solution?
Alexeev081 [22]
1L of 0.5M HCl contains 0.5mol of HCl which can react.

This can be found by the fact that
molarity is defined as the number of moles of a substance per Liter of solution. That means that 0.5M of HCl can be thought of as 0.5moles of HCl per liter of solution.

In general to find the number of moles of substance in a solution using the molarity all you do is multiply the molarity by the volume of the solution (in liters).

I hope this helps. Let me know if anything is unclear.
6 0
3 years ago
How does the shape of a molecule affect the polarity of the molecule?
ruslelena [56]

Answer:

It is A

Explanation:

If you think about it, no-polar covalent bonds are in a symmetrical line, and polar bonds are on the diagonals of the center atom.

I hope I helped :)

5 0
3 years ago
(Will give brainliest)
Elanso [62]

Answer:

Explanation:

Its chemical energy to Chemical energy because carbon is a chemical in science sorry if its incorrect.

4 0
3 years ago
28.What is the correct IUPAC name for the following compound?A)12-crown-5B)12-crown-4C)4-crown-12D)12-crown-12E)Cyclododecane te
mariarad [96]

Answer:

12-crown-4

Explanation:

We must recall that any structural moiety in organic chemistry having the R-O-R unit is an ether. If the oxygen form a ring in which they are sandwiched in between carbon atoms, the compound is known as a crown ether. The name emanates from the close resemblance of the compound to an actual crown.

If we want to name the crown ether, we first count the number of carbon atoms present and the number of oxygen atoms present. The correct name is now, total number of carbon + oxygen atoms -crown- number of oxygen atoms, in this case; 12-crown-4, hence the answer.

5 0
3 years ago
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