Al-Qaeda is the name of the group that fought against the Soviet-supported government in Afghanistan.

a. True

b. False

Why does the pressure inside a container of gas increase?

Multiple covalent bonds may occur in atoms that contain carbon, nitrogen, or a. chlorine b. hydrogen c. oxygen d. helium

Calculate the value of q (kj) in this exothermic reaction when 5.40 g of hydrogen peroxide decomposes at constant pressure?

Leon uses a pressure gauge to measure the air pressure in one of his car tires. The gauge shows that the pressure is 220 kilopascals. The temperature is 297 K, and the outdoor air is at standard pressure. If the tire contains 4.

A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential (s) (aq) (aq) (l) (aq) (aq) Answer the following questions about this cell.

Which statement best explains why carbon is present in so many kinds of molecules? Question 1 options: It is abundant on earth, so it is readily available to bond with other elements. It does not form strong bonds, so it breaks apart.

How long does it tae for bleach to evaprate?

What product (s) forms at the cathode in the electrolysis of an aqueous solution of k2so4?

What element is used as a shield to protect people from radioactive substances?

The frequency of a given region of the electromagnetic spectrum is more than 3 x 1019 HZ. Note that the speed of light is 2.998 x 108 m/s. Which waves are found in this region? A. gamma rays B. visible light C. microwaves D. radio waves E. x-rays