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3 years ago

Type one to two paragraphs describing the changes in potential and kinetic energy of the cart.

Chemistry

2 answers:

Deffense [45]3 years ago

8 0

Answer:

potential energy is energy that is stored in an object. Can also transfer into others forms of energy. Kinetic energy is energy an object has become of its motion.

Umnica [9.8K]3 years ago

3 0

Answer:

When the cart started at the top of the hill it was full Potential Energy. As the cart started to go down the hill it was gaining speed turning it into (PE/KE) Kinetic Energy. That transition occurred because Kinetic Energy only happens when something gains speed. As the cart hit the valley. (on poster) It was still full of Kinetic Energy. As the cart started moving up the last hill it was transitioning from Kinetic Energy, to Potential Energy, (KE, PE). Which then led to the cart coming to a stop on the second hill as Potential Energy. (PE)

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Hope I helped.

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Atomic mass unit is calculated with reference to

Gennadij [26K]

An atomic mass unit is defined as a mass equal to one twelfth the mass of an atom of carbon-12. The mass of any isotope of any element is expressed in relation to the carbon-12 standard. For example, one atom of helium-4 has a mass of 4.0026 amu. An atom of sulfur-32 has a mass of 31.972 amu.

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3 years ago

Read 2 more answers

30 mL of 0.6 M HCl solution is neutralized with 90 mL NaOH solution. What is the concentration of the base? Show all work Please

skad [1K]

From

na=1

nb=1

Va=30mls

Vb=90mls

Ma=0.6M

Mb=?

from

Mb=Ma×Va×nb

 Vb×na

Mb=0.6×30×1

 90×1

mb=18

 90

Mb=0.2M

NaOH=40

From

conc=molarity×mr

conc=0.2×40

conc=8g/mol

3 0

2 years ago

How might orange frogs change because of the red fly

jeka94

Because when the orange frog eats the red fly the dye that make the fly red turns the frog red very slowly

8 0

3 years ago

Annie learns that the compound sulfuric acid is called the universal chemical. The acid is used in everything from gasoline to p

pochemuha

Answer:

D. H2SO4

Explanation:

The chemical formula of a compound is an expression that stares out the elements (in form of symbols)present in a compound and the number of the atoms.

In the image;

There is one sulphur (S) atom, 4 oxygen(O) atoms and 2 hydrogen (H) atoms

The chemical formula is;

H2SO4.

The correct option is option D.

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2 years ago

Identify the compounds that are soluble in both water and hexane.

dlinn [17]

Answer:

The compound which are boh soluble in water and hexane is

B. Ethanol and 1-propanol

Explanation:

The compounds ethanol and 1-propanol are soluble in both hexane and water.

It is soluble in water as both consists of polar end due to hydrogen bonding present in the -OH functional group.

and both are soluble in hexane as they contain a non polar end and the alliphatic hydrocarbon chain in them.

The solubility of alcohols varies in increasing order as the hydrocarbon chain increases. And becaue of this it becomes more non polar.

Non polar properties decreases for branched molecules.

so, the correct option is ethanol and 1-propanol.

3 0

3 years ago