What pH must organisms maintain

a solid x when heated gives up a brown gas. If x is soluble in excess sodium hydroxide solution but insoluble in excess ammonium hydroxide solition. What is X?

What characteristic define the biome two anseres

In aqueous solution the ag ion forms a complex with two ammonia molecules. Write the formation constant expression for the equilibrium between the hydrated metal ion and the aqueous complex.

If 3.0g of H20 actually forms what is the percentage yield

This type of chemical bond forms when electrons are either gained or lost by an atom. a. ionic b. covalent c. metallic d. Van Der Waal

Humans are protected from some infections by specialized cells which produce chemicals that

Describe the density of cold water with a high salinity compared to that of warm water with low salinity. Explain your reasoning

Identify the Lewis acid in this balanced equation: Central N is bonded above, left, and below to C H 3 and has 2 electron dots to the right. Plus. B is bonded above, below left, and below right to H. right arrow.

Brainliest if answered in the next 5 minutes. Identify the balanced combination equation. Cl2O5 + H2O ⟶ 2HClO3 2Fe (OH) 3 ⟶ Fe2O3 + 3H2O Cl2O5 + 3H2O ⟶ HClO3 2Fe (OH) 3 ⟶ 2FeO3 + 3H2O

An unknown substance can be identified by its mass. a flame test its density B and C