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Wittaler [7]
3 years ago
11

Help pleas I dont understand

Chemistry
2 answers:
katen-ka-za [31]3 years ago
7 0
The amount of time each group took to build the boat because in the study, it is something the scientists cannot control. It is also a result of the other three factors, which are all independent.
Temka [501]3 years ago
4 0
The *independent* variable is the one that you always can control. However, the dependent variables are not since they **depend** on another.
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Word Bank: Match each term with the sentence below
Ymorist [56]

Answer:

Electromagnetic Wave Medium Matter:The ability to move or change an object, or what a wave

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Explanation:

give me brainliest

3 0
2 years ago
How do you write chemical formulas
sasho [114]

There are things called "Reactants" and "Products" All chemical equations look something like "A + B →C (+ D...)," in which each letter variable is an element or a molecule (a collection of atoms held together by chemical bonds). The arrow represents the reaction or change taking place. Some equations may have a double-headed arrow (↔), which indicates that the reaction can proceed either forward or backward. When a compound has been written out, you must identify the elements and know their chemical symbols. The first element written is “first name” of the compound. Use the periodic table to find the chemical symbol for the element. So here is an example: Dinitrogen hexafluoride. The first element is nitrogen and the chemical symbol for nitrogen is N. To know the numbers of atoms that are present for each element you can just look at the prefix from the element For example: Dinitrogen has a the prefix “di-“ which means 2; therefore, there are 2 atoms of nitrogen present.

Write dinitrogen as N2.

Now for the second element or "last name" of the compound whatever will follow the first element so like; Dinitrogen hexafluoride. The second element is fluorine. Simply replace the “ide” ending with the actual element name. The chemical symbol for fluorine is F.


But the more you practice with, the easier it will be to decipher chemical formulas in the future and learn the language of chemistry.

Sulfur dioxide: SO2

Carbon tetrabromide: CBr4

Diphosphorus pentoxide: P2O5   ← That is one of the examples I'll give you.

have a gooooood daaaaayy

4 0
3 years ago
What is the most important monosaccharide on Earth?
Nikolay [14]
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Explanation:

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What are examples of molecular compounds that we use in everyday life?
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