Choose the weakest acid?. 1. H2Se, H2O, H2Te, or H2S. 2. H2SeO4, H2SeO3, H2SO3, or H2SO4. 3. HClO3, H2Se, HBr, HNO4

A student mixes a 10.0 mL sample of 1.0 M NaOH with a 10.0 mL sample of 1.0 M HCl in a polystyrene container. The temperature of the solutions before mixing was 20 C.

If an atom of hydrogen loses its electron, what is its charge? A. - 1 B. 0 C. + 2 D. + 1 (I know it's not the first two, I'm just confused because hydrogen has one proton and one electron but has a charge of + 1)

What are some effects of mud deposits

Matter that is composed of two or more different elements chemically combined in a fixed proportion is classified as (1) a compound (3) a mixture (2) an isotope (4) a solution

Suggest what happens to the other elements from which bread and wood are made when these substances are burned

When delta h is negative the reaction will be endothermic?

Why the atoms k2so4 bond

Whats the relationship between the temperature and the density of a substance

If you can smell a cleaning solution from across the room, you are experiencing the result of which liquid property? viscosity surface tension cleavage planes volatility

What is the effect of 1 mol dm-3 hydrochloric acid on a bulb? Explain why this effect happens.