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Tamiku [17]
3 years ago
7

Select all the correct answers.

Chemistry
2 answers:
Kobotan [32]3 years ago
7 0

Answer:

The organisms that live on Earth today have reached their current forms by inheriting traits that allowed their ancestors to survive and reproduce.

Explanation:

A scientific statement is similar to a thesis, that is able to be investigated and tested to be proven true or false in repeatable experiments.

pychu [463]3 years ago
5 0

Answer:The organisms that live on Earth today have reached their current forms by inheriting traits that allowed their ancestors to survive and reproduce.

The data from tens of thousands of controlled scientific investigations show that Earth's average surface temperatures are increasing.

Explanation:

The both statements above are scientific. The first statement refers to the process of natural selection and evolution. Species on earth today inherited certain traits from their ancestors that enabled them to be better adapted to their environment and survive.

Data from several scientific investigations is used to establish facts in science. In this case, to establishing the rising surface temperature of the earth.

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The component which dissolves in a solution is called the?
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The correct answer is Solute

Explanation:

In chemistry, a solution refers to a homogenous mixture of two substances that occurs through dissolution, this means once they are mixed the substances form a uniform new substance and cannot be easily separated. Additionally, in chemistry, the substances involved in a solution are either classified as solutes if they are the substances that dissolve to form a solution or as solvents in the case of substances in which the solute dissolves in. For example, if you mix salt and water, the salt acts as the solute while the water is the solvent. Thus, the component which dissolves in a solution is called the solute.

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Tia has a sample of pure gold (Au). She weighed the sample and the result was 35.9 grams. Tia wants to determine the number of a
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First, find moles of gold given the mass of the sample:
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4 0
4 years ago
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What is the reason atoms share electrons
kondaur [170]

Answer:

The atoms of some elements share electrons because this gives them a full valence shell just like the nobal gases GOOD LESSONS ♡

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3 years ago
Assuming the reaction is at STP if 2.25 moles of Li are exposed to 3.25 moles of water, which is the limiting reactant?
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Answer: Lithium

Explanation:

The ratio for the reaction of Li and water is the same, but there are more moles of water than lithium. Therefore, lithium is the limiting reactant.

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The breaking and forming of bonds between atoms in substances results in changes in the _______ contained in the substances.
photoshop1234 [79]

Answer:

Electrons

Explanation:

The breaking and forming of bonds between atoms in substances results in changes in the number of electrons in the substance.

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