Silver tarnishes when it comes into contact with hydrogen sulfide in the air.

physical property or chemical property

What is the name of the people who hid the Dead Seas Scrolls. When did they live at Qumran?

3) Explain why NaCl2 does not form

Which of the following is true for compounds? They can be separated into their component elements through physical means. They can be created by chemical reactions. They can consist of no more than two types of elements.

An object with a mass of 2.0 kg accelerates 2.0 m/s2 when an unknown force is applied. What is the amount of the force?

Can the ph scale be utilized for all acids (Arrhenius, Bronsted-Lowery, and Lewis) ? Explain reasoning.

Which situations will NOT increase the reactions rate of most chemical reactions A) an increase in temperature B) grind up the solute to increase surface area before mixing C) by increasing the pressure in which the reaction takes place D)

The rate constant for a first-order reaction is 0.54 s-1. What is the half-life of this reaction if the initial concentration is 0.33 M?1.8 s1.3 s0.089 s5.6 s0.31 s

Arrange the following alkyl bromides in order from most reactive to least reactive in an SN2 reaction: 1-bromo-2-methylbutane, 1-bromo-3-methylbutane, 2-bromo-2-methylbutane, and 1-bromopentane.

A sample of pure lithium contains 7.99% lithium by mass. What is the % lithium by mass in a sample of pure lithium nitrate that has twice the mass of the first sample?

Which element is in the same period as Na, Li, or, Mg