What is the principle feature of a metallic bond?

If you have 6.25g of O2, how many moles of H2O are produced?

Element X has two isotopes. The table gives information about these isotopes. Isotope Atomic Mass (amu) Abundance (%) X-63 62.9296 69.15 X-65 64.9278 30.85 The average atomic mass of element X is amu.

The equilibrium system N2O4 (g) 2NO2 (g) was established in a 1.00-liter vessel. Upon analysis, the following information was found: [NO2] = 0.500 M; [N2O4] = 0.0250 M. What is the value of Keq? a. 20. b. 0.050 c. 10.0 d. 0.10

Describe the relationship between force energy and work

When a sulfur atom gains its valence electrons to have 8, the charge on the resulting ion is

The strength of an electric field depends on the

At a certain temperature, 0.4011 mol of N 2 and 1.501 mol of H 2 are placed in a 3.00 L container. N 2 (g) + 3 H 2 (g) - ⇀ ↽ - 2 NH 3 (g) At equilibrium, 0.1801 mol of N 2 is present. Calculate the equilibrium constant, K c. K c =

Which of the following is the correct name for the compound hgs? mercury sulfide mercury (i) sulfide mercury (ii) sulfide mercury monosulfide?

You are given 60 ml of 2.0 m naoh solution. how many ml of 6.0 m hcl solution is needed to completely neutralize the naoh solution? s

45 2.0 2. How many joules of heat are needed to raise the temperature of 048 kg of aluminum from 21°C to 94°C, if the specific heat of aluminum is 900 J/g °C?