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rjkz [21]
3 years ago
6

A student has to perform an experiment on the effect of heat on a particular chemical which can be seen in the form of a color c

hange. Which section of his lab report will include the color change in that chemical? Title Conclusions Results
Biology
2 answers:
Olenka [21]3 years ago
5 0
Chemical change I'm sure.
Naya [18.7K]3 years ago
3 0

Answer:

The correct answer is "Results".

Explanation:

The section of "Results" in a laboratory report must describe briefly what was observed during the experiments, either by using images, tables or a combination of both. In this case, a student is reporting the effect of heat on a particular chemical seeing in the form of a color change. The student must include the color change in the "Results" section, including other valuable information such as at what temperature did the change occurred, intensity of the color, among others.

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According to Sternberg, _____ love has strong components of sexuality and infatuation, and it often predominates in the early pa
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Answer: Romantic

Explanation:

In the Sternberg's theory of love, love is described on three different scales. The three different types of love described by Sternberg were based on intimacy, passion, and commitment.

Sternberg said that Romantic love involves intimacy and passion but lacks commitment. Romantic love has strong components of sexuality and infatuation. Usually romantic love is stronger at the early stages of a relationship.

6 0
2 years ago
3. Are the backbones of the DNA molecule identical in all living things?
Deffense [45]
That answer would be no. because not all of them are the same.
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3 years ago
How many grams are NaCl are required to prepare 200 mL of a 3.10 M solution?
rodikova [14]

The mass (in grams) of NaCl required to prepare the solution is 36.27 g

<h3>What is molarity?</h3>

Molarity is defined as the mole of solute per unit litre of solution. Mathematically, it can be expressed as:

Molarity = mole / Volume

<h3>How to determine the mole of NaCl</h3>
  • Volume = 200 mL = 200 / 1000 = 0.2 L
  • Molarity = 3.1 M
  • Mole of NaCl =?

The mole of NaCl in the solution can be obtained as follow:

Molarity = mole / Volume

Cross multiply

Mole = Molarity x Volume

Mole of NaCl = 3.1 × 0.2

Mole of NaCl = 0.62 mole

<h3>How to determine the mass of NaCl </h3>

We can obtain the mass of NaCl needed to prepare the solution as follow:

  • Molar mass of NaCl = 58.5 g/mol
  • Mole of NaCl = 0.62 mole
  • Mass of NaCl = ?

Mole = mass / molar mass

Cross multiply

Mass = mole × molar mass

Mass of NaCl = 0.62 × 58.5

Mass of NaCl = 36.27 g

Learn more about molarity:

brainly.com/question/15370276

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6 0
2 years ago
During the warm temperatures of summer, the arctic fox produces enzymes that cause its fur to become reddish-brown. During the c
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Answer: the expression of certain genes is affected by temperature

Explanation:

For organisms to survive changing environmental conditions, a lot of molecular processes occur in the genes.

For the arctic fox, enzymes coded by specific genes are periodically "switched on or off" depending on the temperature.

Thus, the change in colour can be EXPLAINED by the expression of certain genes affected by temperature

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3 years ago
the Final Phase in cell division in which the parent cell splits into two new daughter cells is called ?​
guapka [62]

Answer:

Telophase

Explanation:

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3 years ago
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