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Chemistry

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Jace Vandervort

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โˆ™ 2021-10-11 18:35:02
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Cards in this guide (26)
What is an intensive property

In chemistry, an intensive property is a property that depends on the type of matter in a sample.

On a trip to Italy Cheyne rented a car to tour the country As he turned onto the highway he noticed that the speed limit was 95 kmh How fast can Cheyne drive in mph

Cheyne can drive 59 mph.

Which process would be most appropriate to separate a mixture

Filtration. :)

Is odor an extensive or intensive property

intensive

Molten iron is extremely hot averaging about 1500C The specific heat of iron is 0.46 JgC How much heat is released to the atmosphere when 1kg molten iron cools to room temperature 25C

0.46 * 1475 = 678.5 Kjoules (The specific heat is given in terms of joules/ gramme/degC, whilst the question refers to 1kg ie 1000g )

Is electric conductivity extensive or intensive

why electrical conductivity is an intensive property of matter

Carl's teacher has asked him to separate a mixture of sand and iron filings Which of these methods would correctly separate the mixture

the correct answer would be -( magnetic attraction of one part )

George intentionally threw a snowball directly at Chris The fact that the snowball will continue in the direction of Chris after leaving George's hand is an example of the snowball's

inertia

Choose the correct units to determine specific heat

joules/ (0celsius)(grams)

Which of these could not be used to indicate a chemical reaction

change of shape

Stella described her chemistry notebook as being a green rectangle with curved edges It measured 30.0 cm x 22.1 cm What kind of properties did Stella describe

physical properties (:

Classify copper tubing as homogenous or heterogenous

Copper tubing is homogenous.

Classify this property as homogenous or heterogenous Click on the correct answer

homogeneous

To perform a reaction with small amounts of materials one should use an

test tubes

Classify this property as intensive or extensive height

extensive

Correct electron configuration for calcium

1s22s22p63s23p64s2.

Thuy's mother asked her to mix some baby formula by adding two scoops of the powdered formula mix to one liter of water then stirring well When she has correctly made the baby formula what will Thu

solution or mixture

Thuy mixed some baby formula by adding two scoops of the powdered formula mix to one liter of water then stirring well When she has correctly made the baby formula what will Thuy have also made

"solution" or "mixture"

A 050g ball of aluminum foil absorbs 1.42j heat when it is heated 31.6c what is the specific heat of aluminum foil

0.90 J/g°c

An atom that is only weakly affected by a magnetic field

diamagnetic

Which of the following is not a description of a physical property height density flammability melting point

flamability

While doing a demonstration for his class Mr Mathras dropped a peasized piece of silver solid into a beaker of distilled water The solid began fizzing then swirling before bursting into a yellow flame

Yellow flame

How many hours does a psycriatrist work ina day and how many days a week

A psychiatrist works an average of 8 hours per day, 5 days per week.

Use the electronegativity chart to determine the type of bond that will form between this pair of elements.

Use the electronegativity chart to determine the type of bond that will form between this pair of elements.

N + N

What classify melting point property as intensive or extensive

Melting point is an intensive propery because doesn't depend on the mass of sample.

V O I D

V O I D

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