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Dominik [7]
3 years ago
15

Which of the following would be useful to show the growth rate of plants at varying temperatures? A. circle graph B. bar graph C

. line graph D. frequency table
Chemistry
2 answers:
miss Akunina [59]3 years ago
8 0

Line graph would be useful to show the growth rate of plants at varying temperatures.

Answer: Option C

<u>Explanation: </u>

Graphing are an important process in which scientists view data collected in a controlled experiment. The type of graph most commonly used in biology is a line graph. They are used to track changes in the short and long term periods.

For smaller changes, it is better to use line graphs than bar charts. It can also be supported to compare variations in more than a group in the same period. The commonly used line graphs are linear, polynomial, power, rational, quadratic, sinusoidal, logarithmic and exponential.

Pepsi [2]3 years ago
7 0

Answer: Im thinking the answer Is B) Bar graph?

Explanation:

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Answer:

a compound,typically a crystalline one,in which water molecules are chemically bound to another compound or an element

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An iron nail rusts when exposed to oxygen. According to the following reaction, how many moles of iron(III) oxide will be formed
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Answer:

0.453 moles

Explanation:

The balanced equation for the reaction is:

2Fe(s) + 3O2(g)  ==>  2Fe2O3

From the equation,  mass of O2 involved = 16 x 2 x 3 = 96g

                                 mass of Fe2O3 involved = [(2x26) + 3 x 16] x 2

                                                                            = 100g

                Therefore 96g of O2 produced 100g of Fe2O3

                                  32.2g of O2 Will produce   100x32.2/96

                                                   = 33.54g of Fe2O3

Converting it to mole using   number of mole = mass/molar mass

but molar mass of Fe2O3 = 26 + (16 X 3)

                                           = 74g/mole

Therefore number of mole of 33.54g of Fe2O3 = 33.54/74

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Explanation:

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