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butalik [34]
3 years ago
12

In term of molecules explain what happen to a sugar cube when it is placed into a beaker of water

Chemistry
2 answers:
bazaltina [42]3 years ago
7 0
The sugar cube dissolves.<span />
Setler [38]3 years ago
5 0
The molecules in the sugar move from an area of higher concentration to an area of lower concentration in the water. ... They pick up molecules outside of the cell and bring them in.
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H2O+O2=H202, how would I balance this equation?
Sergio [31]

Answer:

2H2O2→2H2O+O2

Explanation:

This reaction is of the spontaneous decomposition of hydrogen peroxide down into water and oxygen.

Add 2 molecules of hydrogen peroxide and 2 molecules of water. Since oxygen is naturally diatomic, the total number of atoms of each element is now the same on both sides of the equation so it is balanced.

2H2O2→2H2O+O2

8 0
3 years ago
When you slide a box across the floor what force must your push be stronger than?
weeeeeb [17]
If I remember correctly, the answer is <span>Friction force.</span>
6 0
3 years ago
The concentration of reactants and products and the rate of reaction were measured during a chemical reaction. After the first 3
igomit [66]

Answer: B

Explanation:

4 0
2 years ago
5. An element whose highest occupied s sublevel and a nearby d sublevel <br> contain electrons
Mumz [18]

Answer:

                    Transition Element

Explanation:

                     Transition elements are defined as those elements which can form at least one stable ion and has partially filled d-orbitals. They are also characterized by forming complex compounds and having different oxidation states for a single metal element.

                      Transition metals are present between the metals and the non metals in the periodic table occupying groups from 3 to 12. There general electronic configuration is as follow,

                                                   (n-1)d ¹⁻¹⁰ns ¹⁻²

The general configuration shows that for a given metal, the d sublevel will be in lower energy level as compared to corresponding s sublevel. For example,

Scandium is present in fourth period hence, its s sublevel is present in 4rth energy level so its d sublevel will be present in 3rd energy level respectively.

Hence, we can conclude that for transition metals the electron are present in highest occupied s sublevel and a nearby d sublevel .

5 0
3 years ago
[06.04]On a potential energy diagram, the activation energy is greatest under which of the following conditions?
Nata [24]
The first one is the correct answer: <span>The potential energy of the products is greater than that of the reactants and the change in enthalpy is positive.<span> </span></span>
5 0
3 years ago
Read 2 more answers
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