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Yanka [14]
3 years ago
6

What do you call an idea or explanation that you test through study and experimentation?

Chemistry
1 answer:
Setler [38]3 years ago
8 0
Hypothesis is based on observation and is possible explanation that needs to be tested.
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A clear colorless liquid in an open beaker was heated to boiling. The liquid began to boil at 110°C, and as vapors escaped, the
Vaselesa [24]

Omitted options and they are

a) pure compound.

b. pure element.

c. pure substance.

d. homogeneous solution.

e. heterogeneous solution

Answer:d. homogeneous solution.

Explanation:

Pure substances or  elements or  compounds have a definite and sharp melting or boiling point, Any substance that is not pure is impure and will have different temperature of melting or boiling points.

To this effect, the clear colorless liquid cannot be a Pure substance, element or compound.

We can therefore say that the clear colorless liquid would be a homogeneous solution because a homogeneous solution is a mixture of constituents which completely mixes together such that each constituents cannot be seen with naked eye, When heated to boiling, each constituent in the mixture will give different boiling points.

A heterogeneous Solution, too is a mixture but contains constituents that can be seen and not a clear colourless solution.

Therefore  On the basis of this information, we can say that the material in the beaker was a Homogeneous solution

8 0
4 years ago
This running horse has a mass of 450 kg, and it is moving at 25 m/s, what it's momentum?
kobusy [5.1K]

Answer:

Explanation:

jsjshwanjakansksnsnnanjaja

5 0
3 years ago
Read 2 more answers
Adenosine triphosphate is the:
OlgaM077 [116]

Answer:

B. Energy Molecule

Explanation:

Adenosine triphosphate, or ATP, is the primary carrier of energy in cells. The water-mediated reaction known as hydrolysis releases energy from the chemical bonds in ATP to fuel cellular processes. Adenosine triphosphate (ATP), energy-carrying molecule found in the cells of all living things.

5 0
3 years ago
Places the following layers in sequence from the outermost layer to the innermost layer ?
Elena L [17]
Crust, Mantle, Outer core, Inner Core
8 0
3 years ago
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A certain rifle bullet has a mass of 8.13 g. Calculate the de Broglie wavelength of the bullet traveling at 1337 miles per hour.
bogdanovich [222]

Mass of the bullet (m) = 8.13 g = 0.00813 kg

velocity of the bullet (v) = 1337 miles/hr

The de Broglie wavelength (∧) of an object of mass (m) travelling at a velocity (v) is given as:

∧ = h/m*v

where h = Planck's constant = 6.626 *10^-34 kgm2/s

Convert velocity from miles/hr to m/s

1 mile/hr = 0.447 m/s

1337 miles/hr = 0.447*1337 = 597.64 m/s

∧ = 6.626*10^-34 m2.Kg.s-1/0.00813 kg * 597.64 ms-1

∧ = 1.363*10^-34 m


7 0
3 years ago
Read 2 more answers
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