For which compound is the process of dissolving in water exothermic?

(1) NaCl (3) NH4Cl

(2) NaOH (4) NH4NO3

Which is not a difference between a population showing exponential growth and a population showing logistic growth? a. food limits b. disease limits c. carrying capacity d. mutation rate

A compound MN is such that N has two isotopes with masses 45 and 47 and relative abundance 60% and 40% respectively. Find the relative molecular mass of MN if M=35.

Use your understanding of the ideal gas law to identify the correct relationships among the variables Pressure is tempature is volume is moles are

Sort the phrases based on whether they describe kinetic energy or potential energy. energy of a compressed spring energy of coal energy of guitar string when plucked energy from a flashlight when on Kinetic Energy - Potential Energy

Which term names the action that is happening when an acid eats away part of a metal bar

In an experiment, having too many variables A might solve the problem faster B could solve more than one problem C will cause too many problems D will not matter

The activation energy decreases with increase in temperature. why?

What are the characteristics of Archaebacteria? A. they are single cells that have a nucleus and tend to live in extreme conditions. B. they are single cells that lack a nucleus and tend to live in extreme conditions. C.

Avogadro's number was calculated by determining the number of atoms in

A certain shade of blue has a frequency of 7.26 * 1014 Hz. What is the energy of exactly one photon of this light?