Calculate the mass of solid ammonium chloride required to mix with 100 ml of 1.0m ammonia to prepare a 9.25 ph buffer

T's a hot sunny day and you decide to go for a drive. When you open your car door, it's a lot hotter inside than outside. Why is that?

The electron configuration 1s 2s 2p 3s 3p represent which noble gas

Appearance and texture of cornstarch

What is the specific protein that is made in the ribosome called?

Combustion vapor-air mixtures are flammable over a limited range of concentrations. The minimum volume % of vapor that gives a combustible mixture is called the lower flammability limit (LFL).

Assume 3 molecules of Fe react according to the following equation. 3Fe + 4H2O Fe3O4 + 4H2 How many molecules of H2 are produced? How many water molecules are required? What is the mole ratio of Fe to H2O?

10.0 mL of a HF solution was titrated with a 0.120 N solution of KOH; 29.6 mL of KOH were required to completely neutralize the HF. Calculate the normality of the HF solution.

The number of grams present in 1.35 mol of Fe is

Which can associate a suspect's gun with a crime?

In which era did the first fish appear? a. Carboniferous b. Paleozoic C. Mesozoic d. Permian