How long does it take a mineral to form?

What ion is at a higher concentration in the extracellular fluid than in the intracellular fluid?

1. Name the two types of low-level clouds.

The 54.9-g sample of the compound X2O7 contains 33.6 g of oxygen atoms. What is the molar mass of element X?

What does it mean for a strong base to be in equilibrium? The position of equilibrium lies far to the right, with products being favored. The position of equilibrium lies far to the left, with products being favored.

Which formula represents a polar molecule? (ch4) (hcl) (nh3)

W (g) + X (g) - -> Y (g) + Z (g) Gases W and X react in a closed, rigid vessel to form gases Yand Z according to the equation above. The initial pressure of W (g) is 1.20 atm and that of X (g) is 1.60 atm. No Y (g) or Z (g) isinitially present.

In this process, a piece of paper with small holes in it separates a heterogeneous mixture by letting through the small particles and keeping out the big ones. That is called as

The double bond between carbon and oxygen is similar to an alkene C-C, except that C o is: a) shorter and weaker. b) shorter and stronger c) longer and weaker. d) longer and stronger.

Calculate the half-life (in s) of a first-order reaction if the concentration of the reactant is 0.0576 M 17.1 s after the reaction starts and is 0.0249 M 97.8 s after the reaction starts.

What is the heat of solution? A) the amount of heat released when a vapor changes into a liquid B) the amount of heat absorbed or released when a solid dissolves C) the amount of heat required to change a solid into a liquid D) the amount of heat