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tekilochka [14]
2 years ago
15

Identify the nonelectrolyte

Chemistry
1 answer:
pashok25 [27]2 years ago
4 0

Answer: Cl2

Explanation: ionic compounds forms cations and anions in water solution.

HI is a weak acid and forms H+ and I- ions. Cl2 is dissolved slightly in water

And stays in molecule form which can not transfer charge like cations and anions.

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Gamma rays are negatively charged.
asambeis [7]

Answer:

True

Explanation:

8 0
3 years ago
For green plant cells, which are the substances that result from photosynthesis that are used in cellular respiration? A. oxygen
strojnjashka [21]

Answer:

B. oxygen and glucose

Explanation:

Oxygen for respiration and glucose for energy utilization

6 0
3 years ago
How does the heat content of the reaction change in the process of photosynthesis when a glucose molecule is formed?
patriot [66]

In the process of photosynthesis, when a glucose molecule is formed, THE HEAT CONTENT OF THE REACTION INCREASES, THUS, THE VALUE OF Q IS POSITIVE.

There are two types of chemical reaction, these are exothermic and endothermic reaction. Exothermic reactions are those reactions that gives off heat when they are occurring while endothermic reactions are those reactions that absorb heat from their environment during the course of reaction. Photosynthesis is an endothermic reactions; it absorbs energy from the environment when it is occurring, thus, the heat content of the product is always more than that of the reactants. The heat content of compounds are represented by letter q. For photosynthesis, q is positive, because there is an increase in the heat content of the product [glucose] formed.

4 0
3 years ago
When metals combine with nonmetals, the atoms of the metals tend to lose electrons, foaming_________ bonds
Marysya12 [62]

Answer:

Ionic

Explanation:

hope this helps :(

7 0
2 years ago
How much heat is evolved in converting 1.00 mol of steam at 135.0 ∘c to ice at -45.0 ∘c? the heat capacity of steam is 2.01 j/(g
Viktor [21]
1 mole of steam (H2O) = 18g
Heat evolved = MCФ where m is the mass and c s specific heat capacity while Ф is change in temperature. Latent heat of fusion is 334 kj/kg while latent heat of vaporization is 2260 kj/kg and specific heat of water is 4.2 j/g/c
= 18 ×2.01 × (135-100) = 1266.3 J
    0.018 × 334000 =  6012 J (change of state from gas (steam) to liquid (water)
 18 × 4.186× (100 -0) =  7534.8 J
 0.018 × 2260000 = 40680 J (change of state from liquid to solid ice)
 18 × 2.09 × (0--45) = 1692.9 J
The total heat evolved is therefore 57186 J or 57.186 kJ
4 0
3 years ago
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