When electricity is applied to water, water (H2O) will undergo a decomposition reaction to form hydrogen gas and oxygen gas.

True

False

How did the building of granaries indicate that Harappan civilization was economically strong?

Consider the reversible reaction in aqueous medium shown below. At equilibrium, the concentrations of A, B, C, and D are 0.0053 M, 0.0085 M, 0.0040 M, and 0.0035 M, respectively. What is the equilibrium constant for the reaction? A+3B⇌3C+D

Give the number of s, p, d, and f electrons in the following neutral atom when it is in the ground state.

Under what condition is the OH^ - ion concentration in water expected to be zero? A. In a solution of strong acid B. In a solution of strong base C. In a solution of weak base D. never

How can you simulate the radioactive half-life of an element?

Why do cells have a plasma membrane? A. to separate protein from the nucleus B. to distinguish plants from animals C. to define the size of the cell D. to separate the inside of the cell from its enviroment

Base on its molecular mass, what is the molar mass of iron

For the following reaction in aqueous solution, identify all those species that will be spectator ions. Select all that apply. Na, SO4+Hg (NO3) 2HSO4+2NaNO3 Choose one or more: A. Hg2S04 B. Na2S04 C. Nat D. NO3 E. SO42- F. Hg2 (NO3) 2 G. NaNO3 H.

One mole of which hydrocarbon requires 8 mol o2 to achieve complete combustion to give carbon dioxide and water?

How many bromine atoms are present in 39.9 g of CH2Br2