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I am Lyosha [343]
3 years ago
7

PLZ HELP FAST BRANILIST IF RIGHT

Chemistry
1 answer:
malfutka [58]3 years ago
7 0

Answer:

Climate?

Explanation:

A German scientist who proposed the theory of continental drift ... Land reptile fossil located on multiple continents; evidence of continental drift ... climate evidence. Tropical plant fossils found on an island in Arctic Ocean, and glacier deposits ... Lystrosaurus (fresh water reptiles) found in places now separated by oceans

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Mass is 5 grams and the volume is 4.5 grams what is the density
STatiana [176]
Density = Mass/Volume

d= 5 / 4.5
8 0
3 years ago
The ground-state configuration of a negative ion of a halogen
mafiozo [28]

Answer:

The ground state configuration for the negative ion of a halogen. ... A possible excited state electronic configuration. 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^6 5s^1 6s^1. Its symbol is the double solid lin, // or ||, in a cell diagram.

5 0
3 years ago
Predict whether carbon dioxide or water would have a higher boiling point. Explain your prediction in terms of the attractions b
yulyashka [42]

Answer:

since ionic bonds, bonds that are charged, have very high boiling points, then the water would have a higher boiling point because it has a slight charge whereas carbon dioxide is stable.

Explanation:

4 0
3 years ago
If 11.5 ml of vinegar sample (d=1g/ml) is titrated with 18.5 ml of standardized Sodium hydroxide
insens350 [35]

Answer:

4.83% of acetic acid in the vinegar

Explanation:

3 0
3 years ago
Write the half-reactions as they occur at each electrode and the net cell reaction for this electrochemical cell containing indi
AlexFokin [52]

Explanation:

The given cell reaction is as follows.

       In(s)| In^{3+}(aq) || Cd^{2+}(aq) | Cd(s)

Hence, reactions taking place at the cathode and anode are as follows.

At anode ; Oxidation-half reaction : In(s) \rightarrow In^{3+}(aq) + 3e^{-} ...... (1)

At cathode; Reduction-half reaction : Cd^{2+}(aq) + 2e^{-} \rightarrow Cd(s) ....... (2)

Hence, balance the half reactions by multiplying equation (1) by 2 and equation (2) by 3.

Therefore, net cell reaction is as follows.

      2In(s) \rightarrow 2In^{3+}(aq) + 6e^{-}

      3Cd^{2+}(aq) + 6e^{-} \rightarrow 3Cd(s)

Net reaction: 2In(s) + 3Cd^{2+}(aq) \rightarrow 2In^{3+}(aq) + 3Cd(s)

Thus, we can conclude that the overall cell reaction is as follows.

        2In(s) + 3Cd^{2+}(aq) \rightarrow 2In^{3+}(aq) + 3Cd(s)

4 0
3 years ago
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