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pav-90 [236]
3 years ago
5

Strontium hydroxide, sr(oh)2, is reacted with trifluoroacetic acid, cf3cooh. write the balanced formula unit equation for this r

eaction. what are the products?
Chemistry
1 answer:
adelina 88 [10]3 years ago
4 0
The reaction of S(OH)₂ with trifluoroacetic acid is as follow,

       Sr(OH)₂  +  2 F₃C-COOH     →      (F₃C-COO)₂Sr   +   2 H₂O

Trifluoroacetic acid a derivative of Acetic acid. The pKa value (-0.3) of trifluoroacetic acid is much smaller than Acetic acid (i.e. 4.7). This increase in acidity is mainly due to three fluorine atoms (highly electronegative) attached at alpha carbon. Therefore, when trifluoroacetic acid is reacted with base like Strontium Hydroxide it donated its proton readily forming a salt like Strontium trifluoroacetate and water.
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What is Newton's first law of motion? How can you describe the effect of a vehicle restraint using Newton's first law of motion?
pav-90 [236]

Answer:

Newton's First Law states that an object in motion will stay in motion, an object at rest will stay at rest, at a constant velocity, unless an unbalanced force acts upon it.  

Newtons First law of motion has to do with seat belts because think about it, what happens when we don't wear a seat belt and our vehicle comes to a quick stop. What happens to you? You move forward and stay in motion until an unbalanced force acts upon you. Now what is an unbalanced force? An unbalanced force is one that is not opposed by an equal and opposite force operating directly against the force intended to cause a change in the object's state of motion or rest. So, when you come to a stop, you wouldn't stop motion unless a force is caused to change your motion and put you at rest. If you were wearing a seat belt, the seat belt would act as the unbalanced force, it would stop you from being in motion.

7 0
2 years ago
Which hybrid orbitals overlap to form the sigma bonds between the indicated atoms in xanthine?
arsen [322]

The highlighted atoms have sp2 - sp3 hybridization. The highlighted atoms are carbon and nitrogen as shown.

The structure of Xanthine is shown in the image attached to this answer. The indicated atoms are Carbon and nitrogen as shown. Let us remember that hybridization has to do with the mixing of atomic orbitals to form appropriate hybrid orbitals that are suitable for overlap with orbitals of other atoms.

The highlighted carbon atom is sp2 hybridized because it has a carbon nitrogen double bond while the highlighted nitrogen atom is sp3 hybridized. Therefore, the highlighted atoms have sp2 - sp3 hybridization.

Learn more: brainly.com/question/22824409

4 0
2 years ago
Provided is a list of five different substances. How many of these substances are elements?.
Lina20 [59]

Answer:

118

Explanation:

Of these 118 elements, 94 occur naturally on Earth. Six of these occur in extreme trace quantities: technetium, atomic number 43; promethium, number 61; astatine, number 85; francium, number 87; neptunium, number 93; and plutonium, number 94.

6 0
2 years ago
The emission spectrum of hydrogen consists of several lines. Which line has the highest frequency?
solong [7]

Answer:

  410 nm

Explanation:

The highest frequency is associated with the shortest wavelength. Of those listed, 410 nm is the shortest.

8 0
3 years ago
Which of these is an example of heat transferred by radiation?
timofeeve [1]
A I think I’m not sure
5 0
2 years ago
Read 2 more answers
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