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Elza [17]
3 years ago
5

1. Determine which object will SINK or FLOAT in water.

Chemistry
1 answer:
zubka84 [21]3 years ago
8 0

Answer: Block # 1 , Block # 4 and

Block # 5 will sink.

Block # 2 and 3 will float.

Explanation: The density of water is equal to 1 g/mL. Any density that is less than the density of water will float. Objects with higher density compared to water will eventually sink.

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What is produced in the electrolysis of brine?
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High concentration of water and salt is the main ingredient of brine. Salt being NaCl and water make brain and important solution in making of chlorine.

Electric terminals are put inside the solutions and with the help of electric current the chemical properties of the solution are changed such that we get chlorine as outcome. This process is carried out in a large scale to get chlorine from NaCl in solution and is called electrolysis of Brine.

7 0
4 years ago
Sodium has an atomic number of 11 and an atomic mass of 23. sodium has __________.
seraphim [82]

Sodium has 11 protons, therefore number of neutrons must be 23 – 11 = 12 neutrons.

Sodium has 12 neutrons.

<h3>What are neutrons?</h3>

The neutron is a subatomic particle with the symbol n that is slightly heavier than a proton and has a neutral charge (i.e., neither a positive nor a negative charge). Atoms' nuclei are made up of protons and neutrons. Protons and neutrons are both referred to as nucleons because of how similarly they function inside the nucleus and because they both have masses that are about equal to one atomic mass unit. Nuclear physics describes their characteristics and interactions.

The arrangement of electrons around an atom's hefty nucleus largely determines its chemical characteristics. The amount of protons, or atomic number, determines the charge of the nucleus, which determines the electron configuration.  

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brainly.com/question/5013687

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5 0
1 year ago
How to open tylenol extra strength bottle?
sashaice [31]
With the palm of your hand, push the lid down, as you apply this pressure on the lid twist slightly. Once you are able to get movement, use your fingers to keep twisting until the lid is completely off. :)
5 0
3 years ago
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What might happen if the strong force didnt exist
topjm [15]
If the strong force didn't exist, there would be nothing but hydrogen and neutrons floating in space. ... When the protons and neutrons are apart there is no strong force but when they are together to resemble a nucleus, the strong force is in action.
8 0
3 years ago
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How many grams of magnesium would be a typical amount in a 60.kg adult?
Nata [24]

Magnesium plays a vital role in the function and structure of the body.

The adult human body consist of 25 grams of magnesium i.e. 0.25 % of the human body composition approximately.

Therefore,  for a 60 kg adult, then the amount of magnesium in their body would be

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= 0.15 kg

Convert kg to g:

1 kg = 1000 g

So, 0.15 kg = 0.15 \times 1000 = 150 grams

Thus, amount of magnesium in 60 kg adult is equal to 150 grams

6 0
3 years ago
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