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Elena L [17]
3 years ago
8

When two intermediate chemical equations are combined, the same substance that appears in the same phase can be canceled out, pr

ovided that
Chemistry
1 answer:
Alla [95]3 years ago
4 0
When two intermediate chemical equations are combined, the same substance that appears in the same phase can be canceled out, provided that

<span>it is a reactant in one intermediate reaction and a product in the other reaction</span>

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Explain a mixture of molecules
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Answer:

A mixture of molecules is a group of molecules in which there are multiple different elements and atoms, that are in either fixed proportions or random. There are heterogeneous and homogenous mixtures.

Explanation:

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2 years ago
How can you tell whether a fat contains primarily saturated or unsaturated fatty acids?
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In terms of physically observing it, if the substance is a lions based substance, like oil or margarine, depending on the state, this will inform how well the hydrocarbons can pack together well or not, or will there be bends in the ring preventing the molecules from packing well.

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In which shell are the valence electrons of the elements in Period 2 found?
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Mature elephants consume an average of 600 pounds of food per day. If an elephant
MAXImum [283]

Answer:

\large \boxed{\text{4 600 000 kg or 4600 Mg}}

Explanation:

1. Calculate the adult life

If the elephant is an adult from its 10th birthday until the day before its 56th birthday, its  

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2. Convert years to days

\text{Adult life} = \text{46 yr} \times \dfrac{\text{365.25 da}}{\text{1 yr}} = \text{16 800 da}

3. Convert days to pounds of feed

\text{Feed} = \text{16 800 da} \times \dfrac{\text{600 lb}}{\text{1 da}} = 1.01 \times 10^{7} \text{ lb}

4. Convert pounds to kilograms and megagrams

\text{Feed} =1.01 \times 10^{7} \text{ lb} \times \dfrac{\text{1 kg}}{\text{2.20 lb}} =\textbf{4 600 000 kg} = \textbf{4600 Mg}\\\\\text{The elephant will eat $\large \boxed{\textbf{4 600 000 kg or 4600 Mg}}$ of food.}

Note: The answer can have only two significant figures because that is all you gave for age of the elephant.

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3 years ago
12.Chlorine has 18 electrons. It is a(n)<br><br><br><br>cation<br><br>anion<br><br>atom<br><br><br>​
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Answer:

chlorine is therefore an anion

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2 years ago
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