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4 years ago

13

What is heating and cooling

1 answer:

melisa1 [442]4 years ago

6 0

make or become hot or warm is heating.

cooling is to become colder or cool down from a higher temp.

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What are variables?????

den301095 [7]

A variable is an element, feature, or factor that is liable to vary or change.

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Isotopes of the same element must have the same number of - a protons + neutrons. b neutrons. c electrons. d protons.

jenyasd209 [6]

Your answer is A....They have the same number of protons and neutrons, but a different number of electrons. They have the same number of protons and electrons, but a different number of neutrons. Different isotopes of an element have the same atomic number, but different mass numbers.....

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3 years ago

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The balanced equation below shows the products that are formed when pentane (C5H12) is combusted. C5H12 + 8O2 mc029-1.jpg 10CO2

Maru [420]

Answer: The mole ratio of oxygen to pentane for the combustion of pentane is 8 : 1.

Explanation: The given reaction is a type of combustion reaction.

Combustion reaction is a reaction in which a hydrocarbon reacts with oxygen gas to produce water and carbon dioxide gas.

For the reaction of pentane with oxygen, the balanced equation would be:

$C_5H_{12}+8O_2\rightarrow 5CO_2+6H_2O$

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Thus giving us the mole ratio as

Oxygen : Pentane = 8 : 1

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3 years ago

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Number of electrons for all of these even the ones with a number by them ? Will give brain-list!!!!

DaniilM [7]

Explanation:

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I hope this was helpful

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3 years ago

During which season is the sun highest in the sky?

Softa [21]

Answer:

sunmmerrrr

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