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mezya [45]
3 years ago
8

Help!!! Correct answer will get brainliest. Please answer the entire question asap!!!

Chemistry
1 answer:
Zigmanuir [339]3 years ago
6 0
Use a body mass calculator to determine your BMI (body mass index) you can do this by inputting simple variables such as height weight gender etc, then use the conversion formula from mass to density, p=m/V, or density (p) is equal to mass(m) divided by volume (V).
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The moments immediately after the universe began were in some ways similar the
gayaneshka [121]

Answer:

i believe that the answer is D.

Explanation:

6 0
2 years ago
Process A: A + B --> C   dG = 101.3 kJ/mol
Ber [7]
<h3><u>Answer;</u></h3>

D. Process B, because it is a spontaneous process.

<h3><u>Explanation</u>;</h3>
  • A spontaneous process is one that will occur without any energy input from the surroundings.
  • A spontaneous reaction may involve an increase or decrease in enthalpy, it may involve an increase or decrease in entropy, but it will always involve a decrease in free energy that is a negative ΔG.
  • Therefore; process B is spontaneous since it has a negative ΔG
7 0
3 years ago
Choose all that are subatomic particle in an Atom. *
Genrish500 [490]

Answer:

Proton, electron and neutron are subatomic particle in atom.

4 0
3 years ago
Find the pH of a buffer that consists of 0.25 M NH₃ and 0.15 M NH₄Cl (pKb of NH₃ = 4.75).
Vladimir [108]

The buffer has a pH of 9.47.

<h3>What do you understand by pH?</h3>

The pH scale determines how acidic or basic water is. The range is 0 to 14, with 7 representing neutrality. Acidity is indicated by pH values below 7, whereas baseness is shown by pH values above 7. In reality, pH is a measurement of the proportion of free hydrogen and hydroxyl ions in water. Or, pH, a numerical indicator of how basic or acidic aqueous or other liquid solutions are. The phrase, which is frequently used in chemistry, biology, and agronomy, converts the hydrogen ion concentration, which typically ranges between 1 and 1014 gram-equivalents per liter, into numbers between 0 and 14.

To learn more about pH, visit"

brainly.com/question/491373

#SPJ4

5 0
2 years ago
n the third period of the periodic table, sodium is followed by magnesium, aluminum, silicon, and phosphorus. Which of these ele
Assoli18 [71]
You need to follow the atomic radius trend, the atomic radius decreases as you go across the period, and the atomic radius increases as you go down a group.
Between Sodium, Magnesium, Aluminum, silicon, and phosphorus, Sodium has the biggest atomic radius.

3 0
3 years ago
Read 2 more answers
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