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elena-s [515]
3 years ago
11

Which of the following is an electrolyte?. A) potassium chloride. B) glucose. C) water D) mayonnaise.

Chemistry
1 answer:
kenny6666 [7]3 years ago
8 0
Answer A )

Potassium chloride

K+   Cl-

hope this helps!.
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The freezing temperatures for water for Celsius and Fahrenheit scales are 0ºC and 32ºF. The boiling temperatures for water are 1
ddd [48]

Answer:

Therefore the required function is

C= \frac{5}{9} (F-32)

Therefore 25°C=57°F

Explanation:

F denotes temperature of Fahrenheit and C denotes temperature of Celsius.

\frac{C-0}{100-0} =\frac{F-32}{212-32}

\Rightarrow C= \frac{100}{180} (F-32)

\Rightarrow C= \frac{5}{9} (F-32)

Therefore the required function is

C= \frac{5}{9} (F-32)

Putting C=25°C in above equation

25=\frac{5}{9} (F-32)

\Rightarrow 25 \times \frac{9}{5} = F-32

⇒45 =F-32

⇒F=32+45

⇒F=57

Therefore 25°C=57°F

7 0
3 years ago
Which of the following would require the largest volume of 0.100 M sodium hydroxide solution for neutralization?:
bazaltina [42]

Answer:10.0 mL of 0.00500 M phosphoric acid

Explanation:

If we look at the Ka values of the acids, we will realize that phosphoric acid has a Ka of 7.1 * 10-3. It is the only acid in the list having acid dissociation constant less than 1. This means that it does not ionize easily in solution and a very large volume of base must be added to ensure that it reacts completely. Acids with Ka >1 are generally regarded as strong acids. All the acids listed have Ka>1 except phosphoric acid.

8 0
3 years ago
According to the collision theory, what happens in a collision without sufficient energy or correct orientation
ohaa [14]
Hi!

In collision theory, for a chemical reaction to occur - there must be <em>sufficient </em>energy to break down chemical bonds.
 
We call this the activation energy, as it's the energy needed to <em>activate </em>a chemical reaction! 

Hopefully, this helps! =)
3 0
3 years ago
Read 2 more answers
Refrigerator technology now makes it possible to grow and then store food for the winter, as well as ship large amounts of food
Alecsey [184]

Answer: A. Refrigerator technology has helped improve people’s nutrition.

Explanation:

5 0
3 years ago
Aniline involves an amine, which is a Choose... functional group. When an aqueous acid solution is added to an organic solution
Charra [1.4K]

Answer:

Basic

Aqueous

Protonated

Reconstitute

Explanation:

Aniline contains the -NH2 group in which the hydrogen atom bears a lone pair of electrons which is capable of accepting a proton hence aniline is basic.

This lone pair makes it possible for aniline to be protonated to yield an ionic substance which enters into the aqueous phase.

Addition of a base leads to the reconstitution of the aniline.

4 0
3 years ago
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