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kaheart [24]
3 years ago
12

Why would a line graph be better to show the relationship between predator and prey birds in an ecosystem than a circle graph?

Chemistry
1 answer:
Murrr4er [49]3 years ago
7 0

Answer:

C

Explanation:

Line graphs are better to show the relations between over time, as circle shows the amount or present of something in a cert time

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Identify the factors that govern the speed and direction of a reaction. Check all that apply.
Fiesta28 [93]

Answer: option B and option C

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Why LED is better option for testing the conduction of electricity?
Anettt [7]

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Led is a light-emitting diode, a semiconductor diode that glows when a voltage is applied. So, there is always a sure result of whether a substance conducts electricity or not as the light glows. That is why it is a better option for testing conduction of electricity.

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why do you think you can find silver and gold on their own in rocks but calcium and magnesium are combined with other elements t
katrin [286]

Explanation:

Silver and Gold belong to a special group of metals known as the native metals. They are found naturally on their own and not in combined form in rocks.

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4 0
3 years ago
Read 2 more answers
c3H8 + 5O2 = 3CO2 + 4H2O When 44.0 grams of propane (C3H8) under goes complete combustion, how many grams of water will be produ
Umnica [9.8K]

<u>Answer:</u> 72 grams of water will be produced.

<u>Explanation:</u>

To calculate the number of moles, we use the formula:

\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}    ....(1)

Mass of propane = 44 grams

Molar mass of propane = 44 grams

Putting values in above equation, we get:

\text{moles of propane}=\frac{44g}{44g/mol}=1mole

For the reaction of combustion reaction of propane, the equation follows:

C_3H_8+5O_2\rightarrow 3CO_2+4H_2O

By Stoichiometry of the reaction,

1 mole of propane produces 4 moles of water.

So, 1 mole of propane will produce = \frac{1}{1}\times 4=4moles of water.

Now, to calculate the amount of water, we use equation 1, we get:

Molar mass of water = 18 g/mol

4mol=\frac{\text{Mass of water}}{18g/mol}

Mass of water produced = 72 grams

Hence,  72 grams of water will be produced.

6 0
3 years ago
Pleaseee helppp!! Pleaseee
Aleks [24]

Answer:

10CO²+4H²O

Explanation:

that Brainliest me pls

8 0
3 years ago
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