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lidiya [134]
3 years ago
14

Andreas accidently breaks a glass beaker. What should he do next? use his shoe to gather the pieces notify his teacher and class

mates pick up the broken glassware
Chemistry
2 answers:
MAVERICK [17]3 years ago
4 0

Answer:

I believe the correct answer is notify his teacher and classmates.

Explanation:

If he were to pick up or gather the broken glass, he could cut himself. By notifying a teacher, the situation could be dealt with in a safe manner.

GrogVix [38]3 years ago
4 0

Answer:

it is b

Explanation:

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mariarad [96]

Answer:

A and D then I guess

Explanation:

sorry hope this helps!

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What dos the line of red semicircles maen on the weather map
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The red semicircle shown in the weather chart represents warm front.

6 0
4 years ago
Read 2 more answers
Write balanced net ionic equations and the corresponding equilibrium equations for the stepwise dissociation of the triprotic ac
Elza [17]

Answer:

H_3PO_4(aq)+H_2O(l)\rightleftharpoons H_3O^+(aq)+H_2PO_4^{-}(aq); \ Ka_1

H_2PO_4^{-}(aq)+H_2O(l)\rightleftharpoons H_3O^+(aq)+HPO_4^{-2}(aq); \ Ka_2

HPO_4^{-2}(aq)+H_2O(l)\rightleftharpoons H_3O^+(aq)+PO_4^{-3}(aq); \ Ka_3

Explanation:

Hello!

In this case, since the phosphoric acid is a triprotic acid, we infer it has three stepwise ionization reactions in which one hydrogen ion is released at each step, considering they are undergone due to the presence of water, thus, we proceed as follows:

H_3PO_4(aq)+H_2O(l)\rightleftharpoons H_3O^+(aq)+H_2PO_4^{-}(aq); \ Ka_1

H_2PO_4^{-}(aq)+H_2O(l)\rightleftharpoons H_3O^+(aq)+HPO_4^{-2}(aq); \ Ka_2

HPO_4^{-2}(aq)+H_2O(l)\rightleftharpoons H_3O^+(aq)+PO_4^{-3}(aq); \ Ka_3

Moreover, notice each step has a different acid dissociation constant, which are quantified in the following order:

Ka1 > Ka2 > Ka3

Best regards!

3 0
3 years ago
What type of reaction is FeS + 2 HCl > FeCl2 + H2S?
schepotkina [342]
Double replacement means a reaction that includes two molecules that each have two different ions. After the reaction, the ions pairs have switched, which is what is shown in the above equation. A single replacement would be a very simple reactions such as: 2Fe(II)S + Ov2^2- -> 2Fe(II)O + 2S^2- A decomposition reaction would be shown as this: 2NaCl -(dissolve in water)> 2Na^+ + Clv2^- A synthesis reaction could be the exact opposite: 2Na^1+ + Clv2^1- -> 2NaCl
8 0
3 years ago
Which statement is TRUE about liquid and gases? *
Levart [38]

Answer:

The Answer is gonna be d. They assume the shape of container

This is the right Answer

I hope you are having a great day :3

5 0
3 years ago
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