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Andre45 [30]
3 years ago
10

30 miles per gallon of gas regular unlead is 1.491 gallon Mrs.Baker drive on 15.00 answer in significant figures

Chemistry
1 answer:
il63 [147K]3 years ago
8 0
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You might be interested in
1 .
Alenkasestr [34]
Answer : As I understand this is question of matching the correct pairs.
So here are the correct pairs.

1) The attraction between molecules at the surface of a liquid column

---->Surface tension

Surface tension is a phenomenon observed at the <span>surface film of a liquid  which is usually caused by the attraction of the particles on the surface layer by the bulk moiety of the liquid, and which tends to minimize its surface area.</span>

2) The energy of motion 

----> Kinetic energy

Kinetic energy is the energy which is possessed by an object due to motion.

3) The movement of liquids through the spaces of materials

----> Capillary action

Capillary action is defined as<span> the ability of any liquid to flow through the narrow spaces without any of the assistance, or even in opposition to, external force like gravitational force.</span>

4) The overall movement of suspended or dissolved particles resulting from the random movements of individual particles 

----> Diffusion

Diffusion in liquids can be defined as the random movement of particles which are dissolved or are in suspended state in liquid.

5) Attraction of one particle in a material for another 

----> Cohesion

Cohesion is defined as the attraction between two different particles in a state of matter

6) The attraction between unlike substances 

----> Adhesion

Adhesion is a property  of attraction between two unlike substances.

7) A measure oof the resistance of a liquid to flow  

----> Viscosity

Viscosity is the term used to define as the resistivity of liquid to flow.
3 0
3 years ago
Read 2 more answers
What is the heating curve on the horizontal line
nikklg [1K]

Answer:

The plateaus or horizontal lines on the graph represent the transition between states of the sample. The first plateau represents the melting (or transition from solid to liquid) and the second plateau represents boiling (or transition from liquid to gas).

Explanation:

7 0
3 years ago
Read 2 more answers
Why does a short circuit occur?
Margarita [4]

Answer:

Current randomly flows around the circuitt

8 0
3 years ago
Read 2 more answers
Imagine that you have a 5.00 LL gas tank and a 4.50 LL gas tank. You need to fill one tank with oxygen and the other with acetyl
Otrada [13]

Answer:

P_2=139atm

Explanation:

Hello,

In this case, even we are given two different gases, as it says "ensure that you run out of each gas at the same time", they shall behave as only one, for that reason, no matter the amounts, they are going to be modeled by means of the Boyle's law, as temperature remains unchanged, which allows us to understand the pressure-volume behavior as an inversely proportional relationship:

P_1V_1=P_2V_2

Hence, we solve for the P2, representing the pressure of the acetylene as shown below:

P_2=\frac{P_1V_1}{V_2} =\frac{5.00L*125atm}{4.50L} \\\\P_2=139atm

Best regards.

6 0
3 years ago
Read 2 more answers
The pka of hco3 - (or pka2 of h2co3) is 10.33. what is the ph of a solution that has 0.1 m na2co3 and 1.0 m nahco3?
Margarita [4]

The given solution is a mixture of NaHCO_{3}and Na_{2}CO_{3}. It acts as a buffer as it is a combination of the weak acid HCO_{3}^{-}and it's conjugate base CO_{3}^{2-}.

[Acid] = [HCO_{3}^{-}]=1.0 M

[Base] =[CO_{3}^{2-}]=0.1 M

pH of the buffer solution can be calculated from Hendersen-Hasselbalch equation as below:

pH=pK_{a}+log\frac{[CO_{3}^{2-}]}{[HCO_{3}^{-}]}

pH=10.33+log\frac{0.1}{1.0}

pH = 10.33+(-1)

     = 9.33


4 0
4 years ago
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