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Ugo [173]
3 years ago
11

Which statement is true about elements?

Chemistry
2 answers:
vovikov84 [41]3 years ago
8 0

Answer: the answer would be C

Explanation: they combine to form atoms of example 2 hydrogen atoms and 1 oxygen atom would be a water molecule those three atoms are combining to a water molecule

also can i please have branlyest i never had it yet and i have been trying my best

LiRa [457]3 years ago
5 0
A or C are the best options
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When water reaches its boiling point and turns into water vapor what happens to its molecular structure
Alex787 [66]
When water reaches its boiling point and turns into water vapor, the molecular structure of water remains the same. It is only the state of the substance that is changed in this process. I hope this helps you 
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3 years ago
After attending his cousin's birthday party in his backyard, Michael forgot his balloon outside when he went to bed. Overnight,
Vitek1552 [10]

Answer:

See explanation

Explanation:

You see, we must cast our minds back to Charles' law. Charles' law gives the relationship between the volume of a gas and temperature of the gas.

Now, Micheal left the balloon outside at a particular temperature and volume the previous night. Overnight, the temperature dropped significantly and so must the volume of the gas in the balloon!

Remember that Charles' law states that, the volume of a given mass of gas is directly proportional to its absolute temperature at constant pressure. Since the pressure was held constant, the drop in the volume of gas in the balloon can be accounted for by the drop in temperature overnight.

5 0
3 years ago
The reducing agent in a material is the one that A. gains electrons. B. increases its atomic number. C. is reduced. D. is oxidiz
Bas_tet [7]
D. Is Oxidized Hope I helped.
4 0
3 years ago
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When the glucose solution described in part A is connected to an unknown solution via a semipermeable membrane, the unknown solu
olya-2409 [2.1K]

Answer: The unknown solution had the lower concentration

Explanation: concentration will always move from higher to lower region. If the concentration of the unknown solution has increased, it therefore means that the initial concentration of the unknown solution was low

7 0
4 years ago
What is the purpose of the following in the experiment of Synthesis of Methyl Salicylate
Aneli [31]

Answer:

1. Phosphoric Acid : Catalyst

2. Methyl Anthranilate : Reactive

3. Sodium Nitrite : Reactive

4. Diethyl Ether : Solvent and reactant

5. Nitrogen : Sub-product

Explanation:

The phosphoric acid is used as a catalyst for the reaction, the methyl anthranilate will react with the sodium nitrite to produce methyl salicylate, along with the diethyl ether and the nitrogen is a sub-product of the reaction.

7 0
3 years ago
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