Which of the following is a sign a chemical reaction has occurrd

What is the concentration of hydroxide in a solution with a pOH of 9.8? ph+pOH=14 [OH-]=10^-pOH

In transverse waves, the particles of the medium move at right angles to the direction in which the wave is traveling. t/f

In terms of particles, the major difference between a liquid and a gas is that the particles of a gas A. Can move past one another B. are far apart C. are held close together by strong attractions. D. have lost their elections

Organisms that live in the alpine and taiga biomes have developed unique adaptations that aid in their survival. Moss campion is one of the plants found in the alpine biome.

Which balanced equation represents a chemical change? A) H2O () + energy → H2O (g) B) 2H2O () + energy → 2H2 (g) + O2 (g) C) H2O () → H2O (s) + energy D) H2O (g) → H2O () + energy

What is the root mean square of carbon iv oxide at 27°C?

If maltose undergoes hydrolysis what subunits does it results to?

Find the total mass of three diamonds that have masses of 14.2 grams, 8.73 grams, and 0.912 gram

What is the correct equilibrium constant expression for this equation? 2C0F, (g) CO2 (g) + CF_ (g)

Write the mathematical expression that allows you to solve for the oh - concentration in water when you know only the h3o + concentration.