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valina [46]
2 years ago
11

Identify the following changes as physical or chemical.

Chemistry
1 answer:
andrezito [222]2 years ago
5 0

Answer:

physical

Explanation:

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B. What do you notice about the number of atoms in one mole?
Doss [256]

Answer:

one mole of atom of any element contains6.022×1033 atoms regardless of the type of elements the mass of one mole of an element depend on what that element is and is equal to atom mass of that element in gram

5 0
3 years ago
Which of the following examples illustrates a number that is correctly rounded to three significant figures? Which of the follow
Alex

Answer:

20.0332 grams to 20.0 grams

Explanation:

6 0
3 years ago
1. ¿Cuál de los factores se deben emplear para convertir: a. ¿Número de moles de cloro en número de moles de NaCl? b. Moles de s
Alex

Answer:

Número de moles de cloro en número de moles de NaCl

Explanation:

espero que si sea la correcta

7 0
2 years ago
Perform the following calculation and report the answer with the correct number of significant figures.
Paul [167]

Answer:

81.72 +0.73=82.45

Explanation:

  • you need to add it

1

81.72

+0.73

= 82.45

8 0
2 years ago
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Ernest Shackleton's South! primarily uses which writing structure?
damaskus [11]
Ernest Shackleton's South! primarily uses the writing structure of "problem and solution".
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