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crimeas [40]
3 years ago
11

What will the outcome of putting litumus paper into distilled water

Chemistry
1 answer:
Kay [80]3 years ago
5 0
If it is blue litmus paper, it will remain blue. If it is red litmus paper, it will remain red. Water is neither an acid nor a base so it will not change the litmus paper.
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A galaxy contains stars, gas, and dust. This matter must be held together or the galaxy will break apart. What is responsible fo
Marrrta [24]
Gravity is responsible !
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2 years ago
Soil that are light in color have a great amount of humus in<br> them. True or False
GaryK [48]

Answer:

please the answer Is false

6 0
2 years ago
In the periodic table which elements typically have similar properties
rosijanka [135]
Elements which appear in the same column have similar properties (periodicity). For example, all of the elements in group XVII (17), the Halogens, all react in a similar fashion; they all like to attract one additional electron and form a -1 anion.
7 0
3 years ago
g On the basis of their respective pKa values, determine which is the stronger acid, acetic acid (pKa 5 4.7) or benzoic acid (ma
ozzi

Answer:

Benzoic acid is the stronger acid

Explanation:

Weak acids do not dissociate completely in the solution. They exists in equilibrium with their respective ions in the solution.

The extent of dissociation of the acid furnising hydrogen ions can be determined by using dissociation constant of acid (K_a).

Thus for a weak acid, HA

HA \rightleftharpoons A^- + H^+

The K_a is:

K_a= \frac{[A^-][H^+]}{[HA]}

The more the K_a, the more the acid dissociates, the more the stronger is the acid.

Also,

pK_a is defined as the negative logarithm of K_a.

So, more the pK_a, less is the K_a and vice versa

All can be summed up as:

The less the value of pK_a, the more the  K_a is and the more the acid dissociates and the more the stronger is the acid.

Given,

pK_a of acetic acid = 54.7

pK_a of benzoic acid = 54.2

pK_a of benzoic acid < pK_a of acetic acid

So, benzoic acid is the stronger acid.

5 0
3 years ago
Calculate the density from the following information: A red block had a mass of 15.7 g. It was placed into a graduated cylinder
matrenka [14]

Answer:

Density should be 8.5

Explanation:

When you subtract 17.2-10.0 for water displacement you get 7.2 which is the volume and you divide it by 15.7 so your equation will be 15.7/7.2 = 8.5

4 0
3 years ago
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