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Oliga [24]
3 years ago
14

Although there are different ways to approach a scientific investigation, all scientific investigations begin with some sort of

Chemistry
2 answers:
Sholpan [36]3 years ago
6 0

Answer:

observation

Explanation:

raketka [301]3 years ago
5 0

Answer: hypothesis or guess

(pls mark me brainliest)

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What is mole-to-mole stoichiometry.
borishaifa [10]

Answer:

https://youtu.be/3zmeVamEsWI

Explanation:

It is defined as the ratio of moles of one substance to the moles of another substance in a balanced equation. ... Mole ratios are the central step in performing stoichiometry because they allow us to convert moles of one substance to moles of another substance.

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3 years ago
What is a substance and what are the two types of substances?
masha68 [24]
A pure substance has a constant composition and cannot be separated into simpler substances by physical means. There are two types of pure substances: elements and compounds. Elements: are pure substances made up of only l type of atom. Atoms of the same element are identical in properties.
6 0
3 years ago
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Erosion and weathering can both cause changes to the surface of Earth. Which of the following happens only because of erosion an
dangina [55]

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caves

Explanation:

BRAINLIEST

You didn't give any examples

7 0
3 years ago
Which term describes the following group of planets: Jupiter, Saturn, Uranus, and<br> Neptune?
vesna_86 [32]

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4 0
3 years ago
What is the molar concentration (molarity) of 1.0 mol of KCl dissolved in 750 mL of
Nikolay [14]

Answer:

Molarity is moles per liter. You have one mole in 0.750 liters

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8 0
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