Write a molecular equation for the gas-evolution reaction that occurs when you mix aqueous hydrobromic acid and aqueous potassium sulfide.

The atomic number of argon is 18. will argon tend to form bonds with other elements? explain your answer.

1. W wyniku reakcji chemicznej 30 g glinu z tlenem powstało 84 g tlenku glinu. Oblicz, ile gramów tlenu wzięło udział w tej reakcji chemicznej. 2. W wyniku rozkładu 46 g wody otrzymano 6 g wody i wodoru.

How would one distinguish between the subatomic particles that make up an atom

Le Chatelier's Principle

In an operating voltaic cell, reduction occurs 1. at the anode 2. at the cathode 3. in the salt bridge 4. in the wire

Practice Problem: True Stress and Strain A cylindrical specimen of a metal alloy 49.7 mm long and 9.72 mm in diameter is stressed in tension. A true stress of 379 MPa causes the specimen to plastically elongate to a length of 51.7 mm.

What is the relationship between the atomic numbers and ionic radii of the elements in the group 7a

The process of splitting an atom into two lighter atoms is called A. nuclear disintegration. B. nuclear separation. C. nuclear fission. D. nuclear fusion.

It is widely known that fossil fuels pollute the environment and cause harmful effects. Why then are fossil fuels still being widely used? 1. not enough of society knows the harmful nature of fossil fuels 2.

What is hyphen notation