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Chemistry

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Bria Cummerata

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Cards in this guide (17)
Elements in the same family have similar what

Elements in the same family-assuming family means classifications such as non-metals, metals-have similar properties.

Which of these could be considered a system under thermochemical study

All of these

When one country claims another as its own that country is under what of the controlling country

domain

The main fuel source for locomotive engines was

coal

The region of the universe outside the system being studied is known as the

Surroundings

A reaction that occurs without provocation from an outside system is

spontaneous

Sears roebuck and company was never able to put out catalogs

the answer is false

An indicator of the approximate energy of light

color

The fingerprint of an atom is seen in its

bright line spectrum

Leza is making a list of the electromagnetic radiation she uses in one week Which of the following should she omit

floating on the waves in the ocean

What is it called when energy is unable to pass from a system to the surroundings

insulated

Choose the name and symbol for internal heat of a system at constant pressure

enthalpy, H

The angle of the rays of the sun strike a broken bottle in a ditch at 10 00 am At 3 45 pm the surrounding dry grass catches fire Was this a spontaneous reaction

Yes, this was a spontaneous reaction. A reaction is said to be spontaneous if it occurs without being driven by some outside force. There are two driving forces for all chemical reactions. The first is enthalpy, and the second is entropy.

What elements would have properties most similar to ceisum

Elements in the same group as cesium

What is the labor organizations was the last to be organized

American Federation of Labor

When Queen Liliuokalani's rule was overthrown, _______ asked to be annexed as a United States territory.

Hawaii

The periodic law states that the properties of elements will repeat when the elements are arranged by _______.

increasing atomic number

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