Which of these statements is not true about chemical reaction rates?

A. The reaction rates can change.

B. The reaction rates can increase.

C. The reaction rates can decrease.

D. The reaction rates are always constant.

1. What structural property of sodium 4-amino-1-naphthalenesulfonate makes it very soluble in water? 2. You will have to look up the structure of this compound and comment on why it is water-soluble. Simply stating that it's polar

Which of the following elements would you expect to have the lowest ionization energy value, and why? Fluorine (F), because it is a halogen that naturally forms a negative ion Lithium (Li), because it has a low effective nuclear charge and large

Calculate the mole fraction of the total ions in an aqueous solution prepared by dissolving 0.400 moles of MgBr2 in 850.0 g of water

Which of the following explains the increase in reaction rate caused by raising the temperature or raising the pressure of a system? a) surface area theory b) activation energy theory c) potential energy theory d) collision theory

What must be true for a car to move forward at a constant speed? The forward fore of the car is ... ?

How does a salt bridge improve a battery

Hat information is needed to determine the energy of an electron in a many-electron atom?

Write the formulas for the following compounds: (a) copper (l) cyanide, (b) strontium chlorite, (c) perbromic acid, (d) hydroiodic acid, (e) disodium ammonium phosphate, (f) potassium dihydrogen phosphate, (g) iodine heptafluoride, (h)

Name a complex salt used in silver-playing.

10. In what part of the world might you find Mystery Island (note: you will be given full-credit for simply attempting this question and you will find the actual answer in your teacher's feedback). Do not answer!