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?

How many anions are in 0.500 g of MgBr2

Calculate the concentration of H3O + of a solution if the concentration of OH - at 25°C is 3.8 * 10-5 M and determine if the solution is acidic or basic.

Heat is transfer directly from one particle of matter to another by the process of

Which of the following would increase the rate of a chemical reaction between hydrochloric acid (HCl) and solid zinc metal (Zn) ? A. Decreasing the amount of Zn B. Performing the reaction at a lower temperature C.

Sodium and magnesium ions have 10 electrons surrounding their nuclei which ion would you expect to have the larger radius why

The ir spectrum of which type of compound will not show evidence of hydrogen bonding?

Concentration in ppm containing 30 grams NaNO3 in 70 grams H2O

How many protons and electrons does an osmium atom have? a niobium atom?

Write the complete electron configuration for manganese

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?