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Chemistry

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Sim Muller

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Cards in this guide (18)
What is substances specific heat

The specific heat capacity of a substance is the amount of energy required to raise the temperature of 1kg of that substance by 1 degrees Celsius (or Kelvin). 1kg of water requires 4200 J of energy to raise its temperature by 1 degrees Celsius

Weak acids are poor conductors of

Electricity

Thermal conductors are substances that do what

They are good and conducting and transferring heat.

Solid metals undergo greater thermal expansion than liquids do

false

Thermal insulators have

lots of air pockets, strong molecular bonds, high specific heat

At which temperature would it take the longest for the smell of cologne that someone is wearing to reach you

-30 degree C --APEX:)

A base is a substance that forms hydrogen ions in a water solution

false

Pouring water on yourself and drying naturally vs toweling off cools you because

the water's latent heat of vaporization is being pulled from your body, the water is using heat to undergo a phase change.

A horizontal line on a phase change graph indicates

A horizontal line on a phase change graph means there has been no change. Often longer periods of research are needed to see significant change.

What would happen to the pressure inside any enclosures on the moon as the sun hits the exterior and the temperature begins to rise

The gasses inside the enclosure would expand as their molecules were excited creating a greater pressure inside the enclosures.

How does water pressure affect a submarine

When a submarine goes farther down in the water, the water pressure becomes greater. If the submarine goes to far, pipes can explode and let in water, or it can implode the submarine

On a very hot summer day railroad tracks can buckle causing train delay and derailments select the what the best reason below for the buckling

😂

What is the primary goal of interest groups

changing or maintaining particular policies

ensuring that the group's beliefs are represented in public policy

Which statement about lobbyists is most accurate

lobbyists frequently invite lawmakers to restaurants or other forms of entertainment

lobbyists represent individuals and organizations on issues that major political parties might not address

Which items in the list are methods a political party might use to influence public opinion

giving journalists access to research data supporting a party position and creating a website listing the accomplishments of party candidates up for reelection

Which one of the following does not describe an acid

Slippery and tastes bitter.....not properties of an acid --Apex:)

On a very hot summer day, railroad tracks can buckle, causing train delays and derailments. Select the best reason below for the buckling

The metal undergoes thermal expansion.

Which statement does not describe a way the Honest Leadership and Open Government Act regulates lobbying

lobbyists are required to pay registration fees for any meeting with a legislator

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Thermal insulators have

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