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Lynna [10]
3 years ago
11

Which of the following happens to chromosomes during prophase?

Chemistry
2 answers:
Pepsi [2]3 years ago
8 0
It’s b the answer is b. Ok hope I helped . Byeeeeeeeese
PolarNik [594]3 years ago
3 0
The answer would be c it should be The right answer if I’m wrong I’ll fix it for you
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You have 16.0 g of some compound and you perform an experiment to remove all of the oxygen, 11.2 g of iron is left. What is the
Makovka662 [10]

The empirical formula of this compound is Fe_2O_3

<h3>Empirical formula </h3>

To calculate the empirical formula of a compound, the value of moles of each element is needed.

As we have the information of the mass value, we will use the molar mass expression, which corresponds to:

MM_O = 16g/mol\\MM_Fe = 55.8g/mol

                                              MM = \frac{m}{mol}

  • O

                                                   16 = \frac{4.8}{x}

                                                   x = 0.3mol

  • Fe

                                                    55.8=\frac{11.2}{x}\\x = 0.2

As the value of the empirical formula must be an integer, simply multiply the two values ​​by a common factor:

                                                O = 0.3 \times 10 = 3\\Fe = 0.2 \times 10 = 2

                                                       Fe_2O_3

So, the empirical formula of this compound is Fe_2O_3.

Learn more about empirical formula: brainly.com/question/1247523

3 0
2 years ago
What is the basic unit of mass in the metric system?
Ilya [14]
The basic unit of mass in the metric system is grams
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An empty graduated cylinder weighs 26.5 grams and when it is filled with an unknown liquid to the 45.8 ml mark the cylinder and
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Answer:

24.2 is the density of the liquid

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Predict what might happen if the human body did not have specialized cells, tissues, organs, and organ systems to maintain homeo
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We would be dead. No heart, brain or blood flow <span />
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What is the smallest division on this balance?
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0.001 would be the smallest.

Good Luck! :)
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