The primary reason some parts of Earth are hotter than other parties because the hotter parts of Earth

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?