The hypothetical elements shown here (figures a-d) do not include hydrogen or helium. Which element would you expect to bond covalently with an oxygen atom to form a two-atom molecule?

Why does a lower concentration of dissolved particles decrease the reaction rate? A. It does not. A high concentration decreases reaction rate. B. When there are less dissolved particles, less collisions take place. C.

Determine the frequency of light with a ... of light with a wavelength of 4.257 x 10^-7 cm

In a chemical reaction, energy may be released in what forms

Which type of succession will occur in this environment and why? 5 primary, because it is a newly exposed environment o primary, because it was destroyed by logging and fire secondary, because there are some remains of the previous community

If the pressure, volume, and temperature of a gas are known, which can most lik was the molar amount of the gas O the partial pressure of the gas O the standard temperature and pressure O the molar mass

What is the difference between potassium 39, 41, and 40

What is physical chemistry?

Which of the following happens during a solar eclipse? The moon appears red. The moon casts a shadow on Earth. Earth, the moon, and the sun form a triangle. Earth comes between the sun and the moon.

The four elements comprising over 90 of living matter are

Consider the gas-phase reaction, n2 (g) + 3 h2 (g) 2 nh3 (g), for which kp = 43 at 400 k. if the mixture is analyzed and found to contain 2.0 bar of n2, 2.0 bar of h2 and 27.0 bar of nh3, describe the situation: