How much phenol red absorbance is in the first peak?

2. How would a thermometer that measures temperatures on the Kelvin scale differ from one that measures temperatures on the Celsius scale?

Which process involved in deep water current A) conduction B) radiation C) condensation D) convection

For a compound to be considered an organic compound it must have a c-o or an h-o bond

Which is true about each element in a period or horizontal row of the periodic table? Each element has one more outer shell than the element before it. Each element bonds with the element before it.

What is the total charge of 1 protons 1 neutrons electrons 2?

Student B pushed on a cart against the wall with 500 N of force. The cart didn't move. How do u explain what happened?

What is unique about the way that transition metals form compounds? a. They don't form compounds c. They can form bonds with the electrons in the two outer-most shells b. They are the most reactive d. They can donate all of their electrons

What prompted rutherford to do the alpha particle scattering experiment?

How many moles of hydrogen would be required to produce 5.0 mol of water?

What is the biggest difference between an exothermic and endothermic process? A. The direction of energy flow. B. The amount of energy transferred. C. The type of energy being transferred. D. The speed with which energy is transferred.