How does the temperature and pressure change inside the earth, moving downward from the crust to the core?A.
Both temperature and pressure decrease.
B.
Both temperature and pressure increase.
C.
Temperature increases, but pressure decreases.
D.
Temperature decreases, but pressure increases.
Answers
B. Both temperature and pressure increase
Answer:
The answer you're looking for is,
B) Both the temperature and the pressure increase.
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Answers
They are both mixtures and are dissolved. The difference is that a solution is mixed more then a mixture
Final answer:
Mixtures and solutions are alike in that they both involve combining two or more substances, but they have some differences. In a mixture, the substances are physically combined and can be separated using physical methods, while a solution forms a homogenous mixture that cannot be easily separated.
Explanation:
Mixtures and solutions are alike in that they both involve combining two or more substances. However, there are some differences between the two. In a mixture, the substances are physically combined and can be separated using physical methods, such as filtration or evaporation. In a solution, one substance is dissolved in another, forming a homogenous mixture that cannot be easily separated.
For example, mixing salt and water creates a solution, where the salt particles are uniformly dispersed in the water. On the other hand, combining sand and water creates a mixture, where the sand particles can be seen and separated from the water.
Key similarities:
- Both involve combining two or more substances.
- Both can be made up of different types of matter.
Key differences:
- Mixtures can be separated using physical methods, while solutions cannot be easily separated.
- Solutions form a homogenous mixture, while mixtures can be heterogenous or homogenous.
Learn more about Mixtures and Solutions
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b. grams
c. ions
d. milliliters
Answers
a. atoms
Explanation:
Let's take as example carbon and lead. Carbon have an atomic mass of 12 a.m.u while lead have an atomic mass of 207 a.m.u. Value of atomic masses are the same with as the value of molar masses. So carbon have a molar mass of 12 g/mole while lead have a molar mass of 207 g/mol.
Avogadro's number it tell us that in 1 mole of particular substance there are 6.022 × 10²³ particles. Taking in account this, in 12 g of carbon there are 6.022 × 10²³ carbon atoms and in 207 g of lead there are 6.022 × 10²³ lead atoms atoms.
The atomic mass of any two elements contain the same number of atoms.
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Avogadro's number
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Answers
The atomic number shows the number of protons/electrons so the number of protons and electrons are the same.
Whereas the mass number of an element (the other number) is the number of protons + neutrons.
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Answer:
177.53 grams
Explanation:
To find this, change the density equation from to
, doing this will allow you to multiply your given density (0.789 g/cm^3) by your given volume (225cm^3), giving your mass of 177.53 grams.
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what are the following?