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asambeis [7]
2 years ago
8

Water freezes at____.

Chemistry
1 answer:
Aleks04 [339]2 years ago
7 0
0 C
32 F
Water freezes

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David's body breaks down the sandwich into small enough molecules that can be absorbed through his intestinal lining and then in
viva [34]

break down food into smaller molecules the body can use; absorb molecules into blood and carry them throughout the body; eliminate wastes from the body

4 0
3 years ago
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How does the hydrosphere lithosphere atmosphere and biosphere work
umka21 [38]
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3 years ago
What is the relative atomic mass of an element
Gennadij [26K]

Answer:

20.2 amu.

Explanation:

Let A represent isotope ²⁰X

Let B represent isotope ²²X

From the question given above, the following data were obtained:

For Isotope A (²⁰X):

Mass of A = 20

Abundance (A%) = 90%

For Isotope B (²²X):

Mass of B = 22

Abundance (A%) = 10%

Relative atomic mass (RAM) =?

The relative atomic mass (RAM) of the element can be obtained as follow:

RAM = [(Mass of A × A%)/100] + [(Mass of B × B%)/100]

RAM = [(20 × 90)/100] + [(22 × 10)/100]

RAM = 18 + 2.2

RAM = 20.2 amu

Thus, relative atomic mass (RAM) of the element is 20.2 amu

4 0
2 years ago
Which one of these three elements conatain the most protons
padilas [110]

Answer:

i think it's B sorry if i'm wrong

4 0
2 years ago
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Give a chemical formula for the compound formed when sulfur dioxide reacts with water
zavuch27 [327]
When sulfur dioxide reacts with water , the product is called sulphurous acid, H2SO3. The balanced equation is expressed in the following manner : SO2  + H2O = H2SO3. There is a one mole to one mole ratio between any of the reactants to product, sulphurous acid. 
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