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sweet [91]
3 years ago
5

Bobbye wants to know how his speed affect the amount of time it takes to stop at a stop sign. Each time he performs a trial, he

will change the speed that he is driving to see how it affects the amount of time it takes to stop. ​ Independent Variable:​ ​ ​ Dependent Variable:​ ​ ​ Controlled Variables:​
Chemistry
1 answer:
velikii [3]3 years ago
6 0

Answer:

The correct answer is -

Independent Variable:​ change of speed​ ​

Dependent Variable:​ time takes to stop​ ​

Controlled Variables:​ stop at a stop sign

Explanation:

To know the effect of the speed to take the time to stop at a stop sign Bobbye perform this exercise where he changes the speed at each time that he is driving to know the time it takes to stop at a stop sign. There is a change that takes place purposely is in the speed of driving so it is an independent variable as the independent variable is a variable that is manipulated in an experiment or investigation.

The time it takes to stop is the factor that depends on the speed so it is the dependent variable as the dependent variable is the variable that depends on the independent variable.

The control variable remains the same or constant in an investigation which is stoping at a stop time irrespective of speed.  

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How would you describe the solid-state in terms of motion (ability to move in the space and speed) and distance between molecule
horrorfan [7]

In the gaseous state, the molecules are completely free because there is no intermolecular interaction between the molecules hence they translate at incredibly high velocity.

According to the kinetic theory of matter, the molecules that compose matter are in constant random motion. The nature of this motion varies in the three states of matter which are;

  • Solid
  • Liquid and
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In the solid state, the molecules do not translate, they only vibrate and rotate about their mean positions. In the liquids state, the molecules translate but they still have restricted degrees of freedom due to intermolecular interactions. In the gaseous state, the molecules are completely free because there is no intermolecular interaction between the molecules hence they translate at incredibly high velocity.

Learn more: brainly.com/question/6111443

8 0
3 years ago
What is the density of a copper blocks if it has a mass of 43.5 grams and a volume of 4.85 cm^3?
Marianna [84]
8.97 g/cm^

D=m/v
D=43.5/4.85cm^3
D=8.97 g/cm^3
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3 years ago
When an egg is placed in a hot frying pan, the yolk and white become firmer and more opaque, and steam is emitted.
hodyreva [135]

Answer:

Formation of Gas, Color Change, and Absorption of heat is the Answer.

Explanation:

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5 0
3 years ago
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What is the structure of a fluorine atom?
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State the definition of the partial molar Gibbs energy.
balu736 [363]

Explanation :

As we know that the Gibbs free energy is not only function of temperature and pressure but also amount of each substance in the system.

G=G(T,P,n_1,n_2)

where,

n_1\text{ and }n_2 is the amount of component 1 and 2 in the system.

Partial molar Gibbs free energy : The partial derivative of Gibbs free energy with respect to amount of component (i) of a mixture when other variable (T,P,n_j) are kept constant are known as partial molar Gibbs free energy of i^{th} component.

For a substance in a mixture, the chemical potential (\mu) is defined as the partial molar Gibbs free energy.

The expression will be:

\bar{G_i}=\mu_i=\frac{\partial G}{\partial n_i}_{(T,P,n_j)}

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3 years ago
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