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zaharov [31]
3 years ago
8

Which of the following is true of mixtures?

Chemistry
1 answer:
SCORPION-xisa [38]3 years ago
4 0

A. a mixture is a combination of two or more substances in which each substance retains its own properties.

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In a 4.00 L pressure cooker, water is brought to a boil. If the final temperature is 115 °C at 3.10 atm, how many moles of steam
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Answer: 0.39mol of the steam are in the cooker.

Explanation:Please see attachment for explanation

7 0
3 years ago
A popular car has a gas tank that holds a maximum of 14.5 gallons of fuel. What is
gulaghasi [49]

Taking into account the change of units, the size of the tank is 54.88 liters.

In first place, the rule of three is a tool used to quickly solve problems involving a proportional relationship between two variables.

The rule of three is a way of solving problems of proportionality between three known values and an unknown value, establishing a relationship of proportionality between all of them.

If the relationship between the magnitudes is direct, that is, when one magnitude increases, so does the other (or when one magnitude decreases, so does the other), the direct rule of three should be applied.

The rule of three is applied as follows, with A, B and C being known values ​​and D being an unknown value: if A maintains a certain relationship with B, and it is known that C and D have the same relationship, it is possible to calculate the unknown value D using the following expression:

D=\frac{CxB}{A}

In this case, the rule of three can be applied as follows: if 1 gallon is equal to 3.785 liters, 14.5 gallons are equal to how many liters?

D=\frac{14.5 gallonsx3.785 liters}{1 gallon}

Solving:

D= 54.88 liters

In summary, the size of the tank is 54.88 liters.

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7 0
2 years ago
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Look at the two thermometers.
salantis [7]

Answer:

Thermometer A, because it measures accurately to the tenths digit.

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Carl crumbled a piece of paper before throwing it in the trash can. Which is true about the paper after it has been crumbled
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Answer is <span>C: It's appearance changed.</span>
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Which is the best conductor of electricity (0.1M solution)? Why?
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Answer:

sulphuric acid as it is strong electrolyte and thus, ionises completely.

Explanation:

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