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EleoNora [17]
3 years ago
13

In general, the solubility of ________ in water decreases as temperature increases.

Chemistry
1 answer:
Shkiper50 [21]3 years ago
3 0

Answer:

B

Explanation:

Solubility of gases in water is exothermic. The equilibrium of an exothermic reaction shifts towards the left when the temperature is increased in accordance with Le Chatelier's principle.

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Calculate the work done when a force of 500N moves an object 20m. and (B) if it
strojnjashka [21]

Answer:

work done = force multiplied by distance covered,which is 500n multiplied by 20 m= 10000nm

power= work done/time

p= 10000/10

p=1000

4 0
3 years ago
The active planning stage of change is ____________. Group of answer choices maintenance action contemplation preparation
AfilCa [17]

Answer:

-Determination -  in this stage, people have make commitment to change the bad habit as soon as possible. it is stage of planning.

Explanation:

There are six stages of change that have a unique role in changing one's behavior. The stages are:

-Pre-contemplation - in this stage people are more aware of this bad habit but at the same time they are not considering as a problem

- contemplation - At this stage, people are more serious about their bad habit and now are thinking of changing

-Determination -  in this stage, people have made a commitment to change the bad habit as soon as possible. it is stage of planning.

- Action - at this stage of change people are taking a serious step toward changing their behavior

- Maintenance -  in this stage people are avoiding all those criteria and source through which there is a chance to return back to bad habits

-Relapse -  at this stage people do resumption of old behavior

7 0
3 years ago
How/why is maintaining healthy soil a social justice issue for our area and community
podryga [215]

Answer:

Social justice aims to give individuals and groups fair treatment and an impartial share of social, environmental and economic benefits. The concept promotes the fair distribution of advantages and disadvantages within a society, regardless of background and status.

Environmental justice deals explicitly with the distribution of environmental benefits and the burdens people experience, at home, at work, or where they learn, play and spend leisure time. Environmental benefits include attractive and extensive greenspace, clean air and water, and investment in pollution abatement and landscape improvements. Environmental burdens include risks and hazards from industrial, transport-generated and municipal pollution.

3 0
2 years ago
Swim ability is it materials ability to burn in the presence of
eduard

Answer: Flammability is a material's ability to burn in the presence of oxygen.

Explanation: Chemical properties can be observed only when the substance changes into one or more different substances through chemical reactions or transformations. One of the chemical properties is flammability.

Flammability is a material's ability to burn in the presence of oxygen.

Remember, oxygen doesn't burn. Precisely flammable substances obtain substances that burn. Oxygen remains an oxidizing agent, which means it supports the combustion process. Oxygen causes other objects to catch fire at low temperatures and burns hotter and faster. But oxygen itself does not burn. Consequently, if you at present deliver fuel and fire, adding oxygen will provide the fire.

Carbon dioxide is the result of combustion. An example can be seen in firewood in a fireplace. One of the chemical properties of carbon-based wood is having the ability to burn. Chemically the wood turns into carbon dioxide when it burns and leaves a residue of ash. Furthermore, this ash residue cannot be turned back into the wood. Chemical changes result in new substances.

Consider an example of a combustion reaction to methane gas:

Our balanced equation for methane combustion implies that every one CH₄ molecule reacts with two O₂ molecules. The product of combustion is one carbon dioxide molecule and two steam or water vapor molecules.

6 0
2 years ago
Classify N2 as a substance
ludmilkaskok [199]
N2O is compound becoz it has more than one type of atoms. 

<span>Air is homogeneous mixture becoz it has different gases which are does not bonded to each other</span>
6 0
3 years ago
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