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Mice21 [21]
3 years ago
8

What is the diameter of Neptune in standard notation

Chemistry
1 answer:
Misha Larkins [42]3 years ago
7 0

Answer:

The diameter of Neptune is approximately 49,500 km. This makes Neptune the 4th largest planet in the Solar System, after Jupiter, Saturn and Uranus.

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Hydrogen is an element with two naturally occurring isotopes: 2 H and 3 H. This means that 2 H, which has a mass number of 2, ha
Dmitry_Shevchenko [17]

Answer:

TRUE.

Explanation:

Mass Number is the sum of protons and neutrons present in the nucleus of an atom. Isotopy is a phenonmenon that occurs when atoms of same elements have different mass number (Number of neutrons).

2H isotope has 1 proton and 1 neutron.

3H isotope has 1 proton and 2 neutrons.

This meeans 2H isotope has fewer neutrons when compared to the 3H isotope. The correct option is TRUE.

8 0
3 years ago
How are proteins hydrolyzed inside cells? This is for biochemistry
alekssr [168]

Answer:

Explanation:

Protein hydrolysis is carried out by chemical and enzymatic methods. ... Proteolytic enzymes hydrolyze proteins at the optimum temperature and pH and usually target specific peptide cleavage bonds, resulting in digestion consisting of amino acids and peptides of varying size.

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4 years ago
David found that water can be created in a lab by burning hydrogen gas in air. He concluded that water is not a compound because
Virty [35]

Hi~~

H2O, commonly known as water, is definitely a compound.

David's conclusion is wrong because the hydrogen gas combined with oxygen from the air to form dihydrogen monoxide, also known as water.


7 0
4 years ago
Any two objects that have Mass will also have which type of force between them
saul85 [17]
Gravitational <span>force between them</span>
5 0
3 years ago
MAX TEN MINUTES PLZZZZZ HURRY
Marianna [84]

Answer:

when it reduces heat.

Explanation:

Thermal energy is transferred to material,the motion of its particles speeds up and it's temperature differences.Insulating materials are bad conductors and so this reduces the heat loss by conduction.The material also prevents air circulating inside the cavity,therefore reducing heat loss by convection.Heat loss through the roof can be reduced by laying loft insulation.

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