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Chemistry

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Emanuel Stehr

Lvl 10
4y ago
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Cards in this guide (14)
In a single replacement reaction which element must be most active

the single element (for A+)

Who illustrated Savvy by Ingrid Law

Elizabeth Parker illustrated Savvy but Hennie Haworth created the cover picture.

Identify the diatomic element in this group

Iodine or Fluorine . . . A+

Choose the element that is most active

Mg

Predict and choose the most correct products formed from the reaction between iron III oxide and potassium metal

3k20+2fe

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

Cecily was asked to report to the class the average kinetic energy of the gas in the container on Mr Pons' desk She knew just what to do Cecily went straight to which of the following instruments

thermometer :]

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 :)

Predict the product of this compound ZnO plus COea æ

ZnCo(little 2)

Choose the product metal oxide plus nonmetal oxide æ

metal hydroxide

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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