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antiseptic1488 [7]
2 years ago
6

A scientific experiment requires that the temperature be lowered at a steady and gradual rate. The beginning temperature is 34°

C and the temperature is lowered 2 degrees per day. What linear function in the form represents the temperature in degrees, t, after d days.
Chemistry
1 answer:
Finger [1]2 years ago
6 0

The linear equation formed can be given as                        

\rm F(t)=34-2t

Linear function is the relationship between the variable, with the graph being a straight line. The equation for a linear function is given as:

\rm F=mc+b

<h3>Linear function for temperature and time</h3>

The initial temperature of the experiment is given as 34 degree Celsius and is given by t.

The time after which temperature is measured is t.

The time for which the lowering observed is 2 degrees per day.

The linear equation formed can be given as:

\rm F(t)=34-2t

Learn more about linear equation, here:

brainly.com/question/11897796

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A solution...
steposvetlana [31]

Answer:

A

Explanation:

8 0
3 years ago
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If a gas is initially at a pressure of 9 atm, a volume of 21 liters, and a temperature of 253 K, and then the pressure is raised
alex41 [277]

Answer:

15.04 mL

Explanation:

Using Ideal gas equation for same mole of gas as

\frac {{P_1}\times {V_1}}{T_1}=\frac {{P_2}\times {V_2}}{T_2}

Given ,  

V₁ = 21 L

V₂ = ?

P₁ = 9 atm

P₂ = 15 atm

T₁ = 253 K

T₂ = 302 K

Using above equation as:

\frac {{P_1}\times {V_1}}{T_1}=\frac {{P_2}\times {V_2}}{T_2}

\frac {{9}\times {21}}{253}=\frac {{15}\times {V_2}}{302}

Solving for V₂ , we get:

<u>V₂ = 15.04 mL</u>

3 0
3 years ago
The element argon (Ar) has eight valence electrons and is a liquid at very low temperatures. Sketch a model of two argon atoms a
Romashka [77]

Larger molecules experience larger dispersion forces due to more distance of valance of electrons from the nucleus.

<h2>Cause of stronger dispersion force</h2>

Larger and heavier atoms and molecules have stronger dispersion forces than smaller and lighter ones because in a larger atom or molecule, the valence electrons are farther from the nuclei than in a smaller atom or molecule.

They are less tightly held to the nuclear charge present in the nucleus and can easily form temporary dipoles so we can conclude that larger molecules experience larger dispersion forces due to more distance of valance of electrons from the nucleus.

Learn more about London dispersion force here: brainly.com/question/1454795

Learn more: brainly.com/question/26139894

3 0
3 years ago
15. How are molecules and moles different from mass?
Ierofanga [76]

Answer:

mass gives the mass of atoms while molecular weight gives the mass of molecules

7 0
3 years ago
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Why would the cell membrane shrink when the cells were placed in the 4% salt solution?
Elanso [62]
In a salt solution, the water potential is lower than that in the cell. In this case, water molecules will flow from a region of higher water potential to a region of lower water potential by osmosis. Which where water molecules is now flowing out of the cell to the salt solution. Because the cell lose so much water that it now shrinks.
Osmosis is where water molecules move down the water potential gradient through a semi permeable membrane, which is the cell membrane in this case.
8 0
3 years ago
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