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Arada [10]
4 years ago
11

How do you find the atomic weight of an atom?

Chemistry
1 answer:
wariber [46]4 years ago
6 0

Answer: The atomic weight of any atom can be found by multiplying the abundance of an isotope of an element by the atomic mass of the element and then adding the results together. This equation can be used with elements with two or more isotopes: Carbon-12: 0.9889 x 12.0000 = 11.8668. Carbon-13: 0.0111 x 13.0034 = 0.1443.

Explanation:

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Phenolphthalein meaning
Simora [160]

Answer:

Phenolphthalein is a chemical compound with the formula C20H14O4 and is often written as "HIn" or "phph" in shorthand notation. Phenolphthalein is often used as an indicator in acid–base titrations. For this application, it turns colorless in acidic solutions and pink in basic solutions.

3 0
3 years ago
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Is it Nephrons or Kidney or Urine or Urethra
UkoKoshka [18]

Answer:

it's urine option ( C ) .

7 0
4 years ago
What happens to the glucose molecule during the process of cellular respiration? (5 points)
Dmitry [639]

The correct answer is option a, that is, it gets broken down.  

A set of metabolic reactions and procedures, which occurs in the cells of organisms to transform biochemical energy from nutrients into ATP, and then discharge waste components is known as cellular respiration. At the time of cellular respiration, a molecule of glucose gets dissociated slowly into water and carbon dioxide. With it, some of the ATP is generated directly in the reactions, which transform glucose.  


4 0
4 years ago
Identify the reaction type for each generic chemical equation
Dimas [21]

A + B → AB:  ✔ synthesis

AB → A + B: ✔ decomposition

Hydrocarbon + O2 → CO2 + H2O:  <span>✔ combustion</span>

AB + CD → AD + CB:  <span>✔ replacement</span>

5 0
4 years ago
Read 2 more answers
1. How many moles are in 3.01 x 10^23 molecules of Boron trichloride
marishachu [46]

Answer: There are 0.499 moles present in 3.01 \times 10^{23} molecules of Boron trichloride.

Explanation:

According to mole concept, there are 6.022 \times 10^{23} molecules present in 1 mole of a substance.

Hence, number of moles present in 3.01 \times 10^{23} molecules are as follows.

Moles = \frac{3.01 \times 10^{23}}{6.022 \times 10^{23}}\\= 0.499 mol

Thus, we can conclude that there are 0.499 moles present in 3.01 \times 10^{23} molecules of Boron trichloride.

6 0
3 years ago
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