How much phenol red absorbance is in the first peak?

The rate constant for the decomposition of n2o5 is 7.78 * 10-7 at 273 k and 3.46 * 10-5 at t2. if the activation energy is 1027 kj/mol, what is the final temperature

Identify which property changes as temperature increases to increase the reaction rate. A) Increasing the temperature decreases the molecular motion. B) Increasing the temperature reduces the collision frequency.

When a substance changes from one phase to another, which of the following occurs? A. The substance loses or gains heat. B. The average kinetic energy of the substance changes. C. The temperature of the substance changes. D.

Which substance is the least likely to dissolve in water? A. Methanol (polar) B. Methane (gas) C. Vegetable oil (nonpolar) D. Table salt (ionic)

Where a river flows from an area of harder rock to an area of softer rock, the softer rock may wear away, eventually forming a drop called a (n)

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda