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ElenaW [278]
3 years ago
7

Which of these would decrease the solubility of a solid in water?

Chemistry
1 answer:
choli [55]3 years ago
4 0
Generally, solubility increases with increased temperature. For most solids, temperature will increase the solubility of that solid in a solvent. The quicker movement of the molecules within the solid allows for chemical reactions between the solid and the solvent to take place more rapidly

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the mass of a 125 cm3 piece of material is 82.75 g. determine the density of this material . please explain
andre [41]
You would do 82.75 divided by 125 cm3 and get 0.6620 g/cm3 because to find density you mist divide mass and volume and grams is always mass and cm3 or mL is always volume. hope i helped!
6 0
4 years ago
What happen in the house
Digiron [165]

Answer:

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6 0
4 years ago
How do I do letter D? Someone help me please
Minchanka [31]
So for D you have to find energy right
from c you get wavelength Lambda
so on D use this
E = Hc / lambda
c is given 1.5 x 10 ^20
h = 6.624 x 10^-34
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8 0
4 years ago
An ion with six protons, seven neutrons, and a charge of 2+ has an atomic number of ________.
Varvara68 [4.7K]
There are some standard numbers that help us describe the structure of an atom and help us categorize them. Those are the atomic number, the mass number and the numbers of electrons in an atom (or ion). Atoms are electrically neutral, hence they have the same number of protons as electrons. If an atom has a charge and has thus become an ion, it is because electrons joined it or left. For example in this case, since the ion has +2 charge, 2 electrons left it and thus the ion has 4 electrons (2 electrons less than its protons). The mass number is the sum of the protons and neutrons of an atom (that are in the nucleus). In this case, this yields a mass number of 13 for this ion. The atomic number of an atom (or ion) is the total number of protons in the nucleus. Protons do not leave the nucleus except for radioactive reactions and thus the atomic number of an atom (or ion) does not change in chemical reactions. In this case, the ion has an atomic number of 6.
3 0
4 years ago
How we can preserve the wetlands areas of nepal?<br>​
Luden [163]

Answer:

Reduce, reuse, and recycle your waste and trash. Protecting the environment helps protect the wetlands, especially since trash can make its way into the water. The best and easiest way to protect the environment is by limiting your household waste.

7 0
3 years ago
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