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Finger [1]
3 years ago
10

Why does the amount of water that flows in a river change during the year?

Chemistry
1 answer:
Ilya [14]3 years ago
7 0
It might change because of the amout of rain that fell in the year and the melting of ice which allows the water amount to increase
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Why does the amount of water that flows in a river change during the year?
Ilya [14]
It might change because of the amout of rain that fell in the year and the melting of ice which allows the water amount to increase
7 0
3 years ago
Please help me i have to get this done now
Marysya12 [62]

Answer:

Calvatia craniiformis is the real answer, according to the biggest European Bilogical lecture

4 0
3 years ago
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If a runners power is 400 w as she runs, how much chemical energy dose she convert into other forms in 10.0 minuets?
Advocard [28]

There you go, hope this helps!


8 0
4 years ago
A chemist measures the energy change Delta H during the following
Ann [662]

Answer: 1) endothernic

2) Yes absorbed

Explanation:

Decomposition is a chemical reaction in which one reactant gives two or more than two products. All decomposition reactions are endothermic reactions as energy is absorbed to break the bonds.

Endothermic reactions are defined as the reactions in which energy of the product is greater than the energy of the reactants. The total energy is absorbed in the form of heat and \Delta H for the reaction comes out to be positive.

Exothermic reactions are defined as the reactions in which energy of the product is lesser than the energy of the reactants. The total energy is released in the form of heat and \Delta H for the reaction comes out to be negative.

5 0
3 years ago
The ionic compounds NaClNaCl and MgSMgS are represented by the diagrams above. Which statement correctly identifies diagram 1 an
Oksana_A [137]

Answer:check explanation

Explanation:

No diagram is given above but to determine the value of melting point we need to understand the fact that NaCl has a lower melting point than MgS.

Reasons are; (1) sodium ion (+1) in the first group of the periodic table is characterized by its softness and low melting point and, (2). Is that it has a lower melting point than MgS because the COULUMBIC ATTRACTIONS between its singly charged sodium ions(+1) and the chlorine ions(-1) are weaker than those between the ions in MgS.

7 0
3 years ago
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