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Chemistry

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Elijah Koch

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Cards in this guide (11)
The subscripts of a compound indicate

the ratio of elements

Sodium will react with oxygen to form sodium oxide Use the formula below to determine how many grams of sodium oxide will be formed if 46 grams of sodium are used in the reaction

62 grams a+

A gas held at 798 mmHg in a 400 mL flask is released into a 3 L flask What will be the new gas pressure

106.4 mmHg

Omar was recording his preliminary data before beginning an experiment on gas behavior The room temperature was 298K and atmospheric pressure was 1 ATM Omar used an acceptable abbreviation of thes

STP

What is the best definition of manometer

an instrument that is used to measure gas in a closed container. A+

Pressure is used to increase the volume of gas

Pressure is used to increase the volume of gas in Boyle's law.

Angelo noticed his lab partner had incorrectly recorded the pressure of a gas in mmHg rather than in atmospheres as their teacher requested When he corrected the mistake Angelo recorded 751.5 mmHg

the answer is 0.99 :)

What type of conflict is illustrated by this scenario A man questions his religious teachings and seeks the meaning of life

individual vs. the universe

How many moles of sodium oxide will be produced when 10 moles of sodium react with oxygen 4Na OËÃ æ 2NaËÃO

4Na+O2 2Na2O

Which of these elements is not diatomic potassium chlorine iodine or hydrogen

Potassium Chloride is not diatomic. Although chloride is a diatomic molecule (BrINClHOF), the formula for Potassium Chloride is KCl not KCl2. Therefore, it is not diatomic.

Choose the best definition of STP

a term that indicates a combined measurement of standard atmospheric pressure and room temperature. A+

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