In what type of reaction or process does heat flow into the system?

Is boron an element a compound a heterogeneous mixture or a homogeneous mixture?

Which type of energy is associated with the random motions or atoms and molecules in a sample of air

Which sphere does most water evaporate from ... Lithosphere or hydrosphere

Naturally occurring gallium consists of two isotopes. One of those isotopes is 71Ga with an isotopic mass of 70.9247050 amu and an abundance of 39.892%. What is the mass number of the other isotope?

Now do the same computation for all six pairs of values. What is the average of all six fractions V/ T?

A chemical reaction can start when enough activation energy is added to the reactants. Do you think the activation energy for chemical reactions in living things is high or low / Explain your answer

20 Which statement describes a reversible reaction at equilibrium? (1) The activation energy of the forward reaction must equal the activation energy of the reverse reaction.

Count the total number of atoms in CaCO3: 2 3 4 5 6

Question #21TrueFalse The general name for a substance added to a reaction that affects the rate but is not consumed in the reaction is called a complex a. True b. False

what kinda energy is produced when a force causes a substance to vibrate, and the energy is transferred through the substance in a wave.