The gas usually filled in the electric bulb is? 1. nitrogen 2. hydrogen 3. carbon dioxide 4. oxygen

What is the meaning of resin and where can u use it?

If a population grows larger than the carrying capacity of the environment, which of these is most likely to happen? A. The death rate may rise. B. The birthrate may rise. C. The death rate must fall. D. The birthrate must fall.

A sample of hydrated calcium sulfate has a mass of 20.88 g. After it is heated, it has a mass of 16.51 g. What is the percentage by mass of water in the hydrate

Write the structural formula for m-chlorophenyl ethyl ether.

All of the following can be used to define an acid except a hydrogen ion donor in a reaction a substance that increases the hydronium ion concentration of a solution an electron-pair acceptor in a reaction a substance that increases the hydroxide

is the time of a day to ya go babe and I get to ya go babe bye bye hello hello ma'am and sir I wanna know that I'm going on a walk now I'll give it to my dad was your birthday and you guys have fun now.

What is the oxidation number of iodine in KIO4? (1) + 1 (3) + 7 (2) - 1 (4) - 7

Which uses of iron are due to its chemical properties? Select two options. producing colored sparks in fireworks changing from liquid to gas at 2,862°C rusting in the presence of water and oxygen changing from solid to liquid if heated to 1,538°C

What type of sedimentary rock is formed from mechanical weathering debris

What type of energy travels in the form of electromagnetic waves?