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Yuki888 [10]
3 years ago
14

Objects that are able to fall have what type of energy?

Chemistry
1 answer:
ASHA 777 [7]3 years ago
4 0

Answer:

kinetic energy

Explanation:

because of the movement of gravity and space

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What law allows calories to be determined by heat (energy) transfer from one substance to another, but it is never destroyed?
Mila [183]

Answer:

matter i think

Explanation:

matter i am pretty sure

6 0
2 years ago
4) Ethanol has a density of 0.8 g/cm3. <br> What is the mass of 225 cm3 of ethanol
AveGali [126]

Answer:

\huge\boxed{\sf m = 180\  g}

Explanation:

<u>Given:</u>

Density = ρ = 0.8 g/cm³

Volume = V = 225 cm³

<u>Required:</u>

Mass = m = ?

<u>Formula:</u>

m = ρV

<u>Solution:</u>

m = (0.8)(225)

m = 180 g

\rule[225]{225}{2}

Hope this helped!

<h2>~AnonymousHelper1807</h2>
7 0
2 years ago
Rank the following groups in order of decreasing priority:A. bondCH3B. bondCH2CH3C. bondCH2CH2CH3D. bond(CH2)3CH3
Evgen [1.6K]

Answer:

A.

Explanation:

7 0
2 years ago
Compare and contrast thomsons plum pudding model with rutherfords nuclear atomic model
Aloiza [94]
Rutherford's model did not completely re imagine Thomson's. Like Thomson, Rutherford still believed that atoms contained negatively charged electrons. Unlike the plum pudding model, where those atoms simply floated in "soup," Rutherford believed they orbited the central nucleus just as planets orbit the sun.
6 0
3 years ago
What is the mole fraction of water in 200g of 95% (by mass) ethanol, C2H5OH? <br> C2H5OH= 46g/mol
zheka24 [161]
For the given 200 g of 95% ethanol solution, ethanol is 190g and water is 10g. We determine the number of moles per component.
        ethanol:    (190 g ethanol) / (46 g/mole) = 4.13 moles
         water:      (10 g water)/(18 g/mole) = 0.55 moles

Total moles of the solution is 4.68 moles

Mole fraction of water:  = 0.55 moles/4.68 moles = 0.117
5 0
3 years ago
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