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blsea [12.9K]
2 years ago
8

In the reaction, C3H8 (g) + 502 (g) – 3CO2 (g) + 4H2O (g), all of the reactants and

Chemistry
1 answer:
Grace [21]2 years ago
4 0

Answer:

gas

Explanation:

(g) means gas

(l) is liquid

(s) solid

(aq) aqueous

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43 Which element reacts spontaneously with 1.0M HCl (aq) at room temperature?
KonstantinChe [14]
The correct answer is (4) zinc~

According to the reactivity series of metals, only zinc react with HCl (aq) at room temperature.

Hope this helps~
4 0
2 years ago
You have at your disposal 3 1-pound bags of various pure salts that dissolve readily in water. You can add one of the bags to a
Sedaia [141]

Answer:

This question appears incomplete

Explanation:

However, it should be noted that addition of soluble salts generally lowers the freezing point of water hence after the addition, water will no longer freeze at 0°C but lower.

Soluble salts tend to form more ions in water, it is these ions that are responsible for interfering with the hydrogen bonds hence lowering the freezing. Thus, (since each bag are of the same weight) <u>the bag that contains the salt that ionizes more in water will lower the freezing point by the greatest amount</u>.

NOTE: Different weight of the salts could lead to more ions been formed in the water by some salts as against the other.

6 0
3 years ago
Which chemical family tends to get rid of electrons by forming a compound
lisov135 [29]

Answer:

group 1, 2 and 3 tend to get rid of electrons and start to form compounds with groups 7, 6, and 5.

Explanation:

7 0
2 years ago
1) A common experiment to determine the relative reactivity of metallic elements is to place a pure sample of one metal into an
Annette [7]

Answer: Zn(s)+CuSO_4(aq)\rightarrow ZnSO_4+Cu

Explanation:-

Single replacement reaction is a chemical reaction in which more reactive element displaces the less reactive element from its salt solution.

As zinc is more reactive than copper, it could easily displace copper from its aqueous solution and thus leads to formation of zinc (II) sulfate and pure copper.

The chemical reaction can be represented as :

Zn(s)+CuSO_4(aq)\rightarrow ZnSO_4+Cu

The phases are represented as (s) for solid sate, (l) for liquid state, (g) for gaseous state and (aq) for aqueous state.

7 0
3 years ago
Read 2 more answers
1.Which is the largest atom in Group 1?
Serhud [2]
1. Francium
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3.rubidium
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7 0
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