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makkiz [27]
3 years ago
8

What type of reaction does this illustration represent?

Chemistry
1 answer:
natita [175]3 years ago
3 0

Answer:

The answer to your question is A. Decomposition

Explanation:

In the picture, we can observe that there is only one reactant that after the reaction are formed two products.

We observe that this is a decomposition reaction.

It is not a synthesis reaction, this reaction is the opposite of a decomposition reaction.

In a single-replacement and double-replacement reaction, there is an interchange of cations between the reactants, this does not happen in the picture.

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How many moles of mgs2o3 are in 193 g of the compound?
Mashutka [201]

Answer:

             1.414 Moles

Solution:

Data Given:

                 Mass of MgS₂O₃  =  193 g

                 M.Mass of MgS₂O₃  =  136.43 g.mol⁻¹

                 Moles  =  ?

Formula Used:

                            Moles  =  Mass ÷ M.Mass

Putting values,

                            Moles  =  193 g ÷ 136.43 g.mol⁻¹

                            Moles =  1.414 mol

8 0
3 years ago
The speed of Train A is 88 km/hr, and the speed of Train B is 96 km/hr. Based on this information, which of the following statem
denis-greek [22]

Answer:

C i took that test and got 96

Explanation:

7 0
2 years ago
Why is identifying unknown compounds important to chemistry?
Galina-37 [17]
Determining the identity of substances is a critical part of chemistry because once the substance's identity is known, we can predict its behavior and understand the scenarios that it is involved in better.
For example, consider an industrial pipe where fouling (scaling) is occurring. If the compounds present in the scales are identified, steps may be taken to prevent and remove the scaling. This is one of many examples where identifying chemical substances is of high importance.
7 0
3 years ago
When an ionic compound dissolves in water: When an ionic compound dissolves in water: the solvent-solute attractive forces overc
oksano4ka [1.4K]

Answer:

each of the above (A, B, and C) occurs

Explanation:

When an ionic compound dissolves in the water, the following happens :

-- the solvent solute attractive forces tries to overcome the solute solute attractions.

-- the water dipoles' negative end attracts the positive ions

--  the water dipoles' positive end attracts the negative ions

For example,

NaCl which is an ionic compound and also a strong electrolyte, it dissociates into water on the hydrated Na cations as well as Cl anions.

In water, the oxygen has negative charge and thus attracts the positive ions of the sodium, whereas the hydrogen is of positive and it attract the ions of chlorine which is negative.

8 0
3 years ago
Combine magnesium metal and hydrochloric acid solution. Mg + HCl →
padilas [110]

Answer:

See below.

Explanation:

This will give magnesium chloride solution and hydrogen gas will evolve.

Mg(s) + 2HCl(l) ---> MgCl2(l) + H2(g)

3 0
3 years ago
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