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FrozenT [24]
3 years ago
14

Explain why the boiling point of water decreases as elevation increases

Chemistry
1 answer:
blagie [28]3 years ago
3 0
Because through elevation it gets colder.
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Which of the following is NOT a homogeneous mixture? *<br> koolaid<br> soda<br> tea<br> water
Wittaler [7]

Answer:

water

Explanation:

Because it does not have more than one component.

4 0
3 years ago
To make a table of the elements, dimitri Mendeleev sorted the elements according to their?
mixer [17]

<u>Answer: </u>He sorted on the basis of average atomic weights.

<u>Explanation:</u>

Dmitri Mendeleev in 1863 arranged chemical elements in the groups according to their average atomic weights.

He said that elements which have similar chemical properties either have similar atomic weights or their atomic weights increases regularly.

Hence, he collaborated a great work in sorting the elements according to their average atomic weights.

8 0
3 years ago
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PLEASE HELP ME WITH THIS IT'S DUE TOMORROW
Bond [772]

Answer:

Both:

-They are both made up of cells embedded in an extracellular matrix. It is the nature of the matrix that defines the properties of these connective tissues.

Cartilage:

-Cartilage is thin, avascular, flexible and resistant to compressive forces.

-Cartilages are soft and flexible components present in ear, nose and joints.

Bone marrow:

-Bone is highly vascularised, and its calcified matrix makes it very strong.

-Bones are hard and tough which gives the structural framework of the skeleton in the body.

7 0
3 years ago
WILL GIVE BRAINLIEST
erastova [34]

Answer:

It is a force acting on the object.

Explanation:

The answer option which is true about the weight of an object is: C. It is a force acting on the object.

Weight can be defined as the force acting on a physical body or an object as a result of gravity. Also, the weight of an object is measured in Newton.

Mathematically, the weight of an object is given by the formula;

Where;

m is the mass of the object.

g is the acceleration due to gravity.

In conclusion, the weight of an object is the force acting on an object due to gravity.

4 0
2 years ago
How much energy does a 445 nm wave of light have? (The speed of light in a
Dahasolnce [82]

Answer:

A

Explanation:

To calculate questions like this, you need to make use of the equation below:

E = hν

E is the energy, h is Planck's constant, and ν is the frequency.

Also, another important formula you need for this question is the following:

ν = c / λ

ν is the frequency, c is the speed of light, and λ is the wavelength.

Therefore, E = hν = hc/λ.

Also remember to convert nm wavelength to meters.

To answer the question, E = hc/λ = ((6.626*10^-34 J•s)(3*10^8 m/s))/(4.45*10-7 m) = 4.42 • 10^-19 J = A

8 0
2 years ago
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