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ss7ja [257]
3 years ago
12

A student has two objects. Object 1 has a mass of 28 g and a volume of 12 cubic

Chemistry
1 answer:
bearhunter [10]3 years ago
8 0

Answer:

Object 2 with a density of 0.68

Explanation:

object 2 has a lower density than water so it will float

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fiasKO [112]

Answer:i dont know the answer

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3 years ago
Claim how the ecosystem is changing.
Maslowich

Answer:

The environment Ecosystems are also affected by climate change. Habitats are being modified, the timing of events such as flowering and egg laying are shifting, and species are altering their home ranges. Changes are also occurring to the ocean.

Explanation:

6 0
3 years ago
Calculate the vapor pressure at 25 ?c of hexane above the solution. the vapor pressure of pure hexane at 25 ?c is 151 torr.
Studentka2010 [4]
One of the many ways in order to solve for the vapor pressure of pure components at a given temperature is through the Antoine's equation which is written below,
                                    P = 10^(A - B/C+T)
where A, B, and C are constants and T is the temperature in °C and P is the vapor pressure in mm Hg. 
For hexane,
                             A = 7.01
                             B = 1246.33
                             C = 232.988

Substituting the known values,
                            P = 10^(7.01 - 1246.33/232.988+25)
                             <em> P = 151.199 mm Hg</em>
8 0
4 years ago
According to the conservation of energy is what?
Dominik [7]

Answer:

The correct answer is - C: Energy is neither created nor destroyed, but continually transformed into new forms of energy.

Explanation:

Conservation of energy is the first law of thermodynamics that says that energy is neither generated nor destroyed, can only be transformed from one form to another form continuously. That means no matter what the condition the amount of energy will remain the same, only form will be changed.

For instance, if an electric current will pass through a circuit of a light bulb the electrical energy present in the circuit will transfer into heat and light energy, The amount will remain constant but the one form change to another.

8 0
3 years ago
50 pts Plz help !!!! What is the physical state of matter of baking soda.
WITCHER [35]

Baking soda is a solid.

8 0
3 years ago
Read 2 more answers
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